[INFO] cloning repository https://github.com/wafuwafu13/trust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wafuwafu13/trust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwafuwafu13%2Ftrust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwafuwafu13%2Ftrust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 814781b005a6345bb5321ddee9d070a026af4fd7
[INFO] checking wafuwafu13/trust against try#22cc29ba5b459fb386c0406b9baf3a49eb0fba39 for pr-146095
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwafuwafu13%2Ftrust" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/wafuwafu13/trust
[INFO] finished tweaking git repo https://github.com/wafuwafu13/trust
[INFO] tweaked toml for git repo https://github.com/wafuwafu13/trust written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/wafuwafu13/trust on toolchain 22cc29ba5b459fb386c0406b9baf3a49eb0fba39
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22cc29ba5b459fb386c0406b9baf3a49eb0fba39" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/wafuwafu13/trust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22cc29ba5b459fb386c0406b9baf3a49eb0fba39" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
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[INFO] [stderr]   Downloaded mio-uds v0.6.8
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[INFO] [stderr]   Downloaded tokio-uds v0.2.7
[INFO] [stderr]   Downloaded scoped-tls v0.1.2
[INFO] [stderr]   Downloaded tokio-current-thread v0.1.7
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[INFO] [stderr]   Downloaded tokio v0.1.22
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+22cc29ba5b459fb386c0406b9baf3a49eb0fba39" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b41c76afd2ec1e9b23969a849d54988e6c58e79980d2d5dacc9f7eaef0d818e1
[INFO] running `Command { std: "docker" "start" "-a" "b41c76afd2ec1e9b23969a849d54988e6c58e79980d2d5dacc9f7eaef0d818e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b41c76afd2ec1e9b23969a849d54988e6c58e79980d2d5dacc9f7eaef0d818e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b41c76afd2ec1e9b23969a849d54988e6c58e79980d2d5dacc9f7eaef0d818e1", kill_on_drop: false }`
[INFO] [stdout] b41c76afd2ec1e9b23969a849d54988e6c58e79980d2d5dacc9f7eaef0d818e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+22cc29ba5b459fb386c0406b9baf3a49eb0fba39" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4515abf3807eeb402e7c2ff816f43f6b07af2d2e307341e13183cb0a1a406ea4
[INFO] running `Command { std: "docker" "start" "-a" "4515abf3807eeb402e7c2ff816f43f6b07af2d2e307341e13183cb0a1a406ea4", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]    Compiling tun-tap v0.1.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking etherparse v0.8.3
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking bytes v0.4.12
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[INFO] [stderr]     Checking mio-uds v0.6.8
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[INFO] [stderr]     Checking tokio-sync v0.1.8
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[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking tokio-core v0.1.18
[INFO] [stderr]     Checking trust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0424]: expected value, found module `self`
[INFO] [stdout]    --> src/tcp.rs:136:9
[INFO] [stdout]     |
[INFO] [stdout]  84 |     pub fn accept<'a>(
[INFO] [stdout]     |            ------ this function doesn't have a `self` parameter
[INFO] [stdout] ...
[INFO] [stdout] 136 |         self.tcp.syn = true;
[INFO] [stdout]     |         ^^^^ `self` value is a keyword only available in methods with a `self` parameter
[INFO] [stdout]     |
[INFO] [stdout] help: add a `self` receiver parameter to make the associated `fn` a method
[INFO] [stdout]     |
[INFO] [stdout]  85 |         &self, nic: &mut tun_tap::Iface,
[INFO] [stdout]     |         ++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0424]: expected value, found module `self`
[INFO] [stdout]    --> src/tcp.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout]  84 |     pub fn accept<'a>(
[INFO] [stdout]     |            ------ this function doesn't have a `self` parameter
[INFO] [stdout] ...
[INFO] [stdout] 137 |         self.tcp.ack = true;
[INFO] [stdout]     |         ^^^^ `self` value is a keyword only available in methods with a `self` parameter
[INFO] [stdout]     |
[INFO] [stdout] help: add a `self` receiver parameter to make the associated `fn` a method
[INFO] [stdout]     |
[INFO] [stdout]  85 |         &self, nic: &mut tun_tap::Iface,
[INFO] [stdout]     |         ++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `unwitten` in this scope
[INFO] [stdout]    --> src/tcp.rs:164:24
[INFO] [stdout]     |
[INFO] [stdout] 164 |         let unwitten = unwitten.len();
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: a local variable with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 164 |         let unwitten = unwritten.len();
[INFO] [stdout]     |                           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `bufi` in this scope
[INFO] [stdout]    --> src/tcp.rs:175:19
[INFO] [stdout]     |
[INFO] [stdout] 175 |         nic.send(&bufi[..buf.len() - unwritten])?;
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: a local variable with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 175 -         nic.send(&bufi[..buf.len() - unwritten])?;
[INFO] [stdout] 175 +         nic.send(&buf[..buf.len() - unwritten])?;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0424]: expected value, found module `self`
[INFO] [stdout]    --> src/tcp.rs:136:9
[INFO] [stdout]     |
[INFO] [stdout]  84 |     pub fn accept<'a>(
[INFO] [stdout]     |            ------ this function doesn't have a `self` parameter
[INFO] [stdout] ...
[INFO] [stdout] 136 |         self.tcp.syn = true;
[INFO] [stdout]     |         ^^^^ `self` value is a keyword only available in methods with a `self` parameter
[INFO] [stdout]     |
[INFO] [stdout] help: add a `self` receiver parameter to make the associated `fn` a method
[INFO] [stdout]     |
[INFO] [stdout]  85 |         &self, nic: &mut tun_tap::Iface,
[INFO] [stdout]     |         ++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0424]: expected value, found module `self`
[INFO] [stdout]    --> src/tcp.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout]  84 |     pub fn accept<'a>(
[INFO] [stdout]     |            ------ this function doesn't have a `self` parameter
[INFO] [stdout] ...
[INFO] [stdout] 137 |         self.tcp.ack = true;
[INFO] [stdout]     |         ^^^^ `self` value is a keyword only available in methods with a `self` parameter
[INFO] [stdout]     |
[INFO] [stdout] help: add a `self` receiver parameter to make the associated `fn` a method
[INFO] [stdout]     |
[INFO] [stdout]  85 |         &self, nic: &mut tun_tap::Iface,
[INFO] [stdout]     |         ++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `unwitten` in this scope
[INFO] [stdout]    --> src/tcp.rs:164:24
[INFO] [stdout]     |
[INFO] [stdout] 164 |         let unwitten = unwitten.len();
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: a local variable with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 164 |         let unwitten = unwritten.len();
[INFO] [stdout]     |                           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `bufi` in this scope
[INFO] [stdout]    --> src/tcp.rs:175:19
[INFO] [stdout]     |
[INFO] [stdout] 175 |         nic.send(&bufi[..buf.len() - unwritten])?;
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: a local variable with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 175 -         nic.send(&bufi[..buf.len() - unwritten])?;
[INFO] [stdout] 175 +         nic.send(&buf[..buf.len() - unwritten])?;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/tcp.rs:149:37
[INFO] [stdout]     |
[INFO] [stdout] 149 |             self.tcp.header_len() + self.ip.header_len() as usize + payload.len(),
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `u16`, found `usize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot add `usize` to `u16`
[INFO] [stdout]    --> src/tcp.rs:149:35
[INFO] [stdout]     |
[INFO] [stdout] 149 |             self.tcp.header_len() + self.ip.header_len() as usize + payload.len(),
[INFO] [stdout]     |                                   ^ no implementation for `u16 + usize`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Add<usize>` is not implemented for `u16`
[INFO] [stdout] help: the following other types implement trait `Add<Rhs>`
[INFO] [stdout]    --> /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/core/src/internal_macros.rs:22:8
[INFO] [stdout]     |
[INFO] [stdout]     = note: `&u16` implements `Add<u16>`
[INFO] [stdout]    ::: /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/core/src/internal_macros.rs:33:8
[INFO] [stdout]     |
[INFO] [stdout]     = note: `u16` implements `Add<&u16>`
[INFO] [stdout]    ::: /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/core/src/internal_macros.rs:44:8
[INFO] [stdout]     |
[INFO] [stdout]     = note: `&u16` implements `Add`
[INFO] [stdout]    --> /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/core/src/ops/arith.rs:99:8
[INFO] [stdout]     |
[INFO] [stdout]     = note: `u16` implements `Add`
[INFO] [stdout]    ::: /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/core/src/ops/arith.rs:114:0
[INFO] [stdout]     |
[INFO] [stdout]     = note: in this macro invocation
[INFO] [stdout]     = note: this error originates in the macro `forward_ref_binop` which comes from the expansion of the macro `add_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/tcp.rs:149:69
[INFO] [stdout]     |
[INFO] [stdout] 149 |             self.tcp.header_len() + self.ip.header_len() as usize + payload.len(),
[INFO] [stdout]     |                                                                     ^^^^^^^^^^^^^ expected `u16`, found `usize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot add `usize` to `u16`
[INFO] [stdout]    --> src/tcp.rs:149:67
[INFO] [stdout]     |
[INFO] [stdout] 149 |             self.tcp.header_len() + self.ip.header_len() as usize + payload.len(),
[INFO] [stdout]     |                                                                   ^ no implementation for `u16 + usize`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Add<usize>` is not implemented for `u16`
[INFO] [stdout] help: the following other types implement trait `Add<Rhs>`
[INFO] [stdout]    --> /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/core/src/internal_macros.rs:22:8
[INFO] [stdout]     |
[INFO] [stdout]     = note: `&u16` implements `Add<u16>`
[INFO] [stdout]    ::: /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/core/src/internal_macros.rs:33:8
[INFO] [stdout]     |
[INFO] [stdout]     = note: `u16` implements `Add<&u16>`
[INFO] [stdout]    ::: /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/core/src/internal_macros.rs:44:8
[INFO] [stdout]     |
[INFO] [stdout]     = note: `&u16` implements `Add`
[INFO] [stdout]    --> /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/core/src/ops/arith.rs:99:8
[INFO] [stdout]     |
[INFO] [stdout]     = note: `u16` implements `Add`
[INFO] [stdout]    ::: /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/core/src/ops/arith.rs:114:0
[INFO] [stdout]     |
[INFO] [stdout]     = note: in this macro invocation
[INFO] [stdout]     = note: this error originates in the macro `forward_ref_binop` which comes from the expansion of the macro `add_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/tcp.rs:149:37
[INFO] [stdout]     |
[INFO] [stdout] 149 |             self.tcp.header_len() + self.ip.header_len() as usize + payload.len(),
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `u16`, found `usize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot add `usize` to `u16`
[INFO] [stdout]    --> src/tcp.rs:149:35
[INFO] [stdout]     |
[INFO] [stdout] 149 |             self.tcp.header_len() + self.ip.header_len() as usize + payload.len(),
[INFO] [stdout]     |                                   ^ no implementation for `u16 + usize`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Add<usize>` is not implemented for `u16`
[INFO] [stdout] help: the following other types implement trait `Add<Rhs>`
[INFO] [stdout]    --> /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/core/src/internal_macros.rs:22:8
[INFO] [stdout]     |
[INFO] [stdout]     = note: `&u16` implements `Add<u16>`
[INFO] [stdout]    ::: /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/core/src/internal_macros.rs:33:8
[INFO] [stdout]     |
[INFO] [stdout]     = note: `u16` implements `Add<&u16>`
[INFO] [stdout]    ::: /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/core/src/internal_macros.rs:44:8
[INFO] [stdout]     |
[INFO] [stdout]     = note: `&u16` implements `Add`
[INFO] [stdout]    --> /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/core/src/ops/arith.rs:99:8
[INFO] [stdout]     |
[INFO] [stdout]     = note: `u16` implements `Add`
[INFO] [stdout]    ::: /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/core/src/ops/arith.rs:114:0
[INFO] [stdout]     |
[INFO] [stdout]     = note: in this macro invocation
[INFO] [stdout]     = note: this error originates in the macro `forward_ref_binop` which comes from the expansion of the macro `add_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/tcp.rs:149:69
[INFO] [stdout]     |
[INFO] [stdout] 149 |             self.tcp.header_len() + self.ip.header_len() as usize + payload.len(),
[INFO] [stdout]     |                                                                     ^^^^^^^^^^^^^ expected `u16`, found `usize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot add `usize` to `u16`
[INFO] [stdout]    --> src/tcp.rs:149:67
[INFO] [stdout]     |
[INFO] [stdout] 149 |             self.tcp.header_len() + self.ip.header_len() as usize + payload.len(),
[INFO] [stdout]     |                                                                   ^ no implementation for `u16 + usize`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Add<usize>` is not implemented for `u16`
[INFO] [stdout] help: the following other types implement trait `Add<Rhs>`
[INFO] [stdout]    --> /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/core/src/internal_macros.rs:22:8
[INFO] [stdout]     |
[INFO] [stdout]     = note: `&u16` implements `Add<u16>`
[INFO] [stdout]    ::: /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/core/src/internal_macros.rs:33:8
[INFO] [stdout]     |
[INFO] [stdout]     = note: `u16` implements `Add<&u16>`
[INFO] [stdout]    ::: /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/core/src/internal_macros.rs:44:8
[INFO] [stdout]     |
[INFO] [stdout]     = note: `&u16` implements `Add`
[INFO] [stdout]    --> /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/core/src/ops/arith.rs:99:8
[INFO] [stdout]     |
[INFO] [stdout]     = note: `u16` implements `Add`
[INFO] [stdout]    ::: /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/core/src/ops/arith.rs:114:0
[INFO] [stdout]     |
[INFO] [stdout]     = note: in this macro invocation
[INFO] [stdout]     = note: this error originates in the macro `forward_ref_binop` which comes from the expansion of the macro `add_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/tcp.rs:149:13
[INFO] [stdout]     |
[INFO] [stdout] 147 |         let size = std::cmp::min(
[INFO] [stdout]     |                    ------------- arguments to this function are incorrect
[INFO] [stdout] 148 |             buf.len(),
[INFO] [stdout] 149 |             self.tcp.header_len() + self.ip.header_len() as usize + payload.len(),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `usize`, found `u16`
[INFO] [stdout]     |
[INFO] [stdout] help: the return type of this call is `u16` due to the type of the argument passed
[INFO] [stdout]    --> src/tcp.rs:147:20
[INFO] [stdout]     |
[INFO] [stdout] 147 |           let size = std::cmp::min(
[INFO] [stdout]     |  ____________________^
[INFO] [stdout] 148 | |             buf.len(),
[INFO] [stdout] 149 | |             self.tcp.header_len() + self.ip.header_len() as usize + payload.len(),
[INFO] [stdout]     | |             --------------------------------------------------------------------- this argument influences the return type of `min`
[INFO] [stdout] 150 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: function defined here
[INFO] [stdout]    --> /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/core/src/cmp.rs:1566:13
[INFO] [stdout] help: you can convert a `u16` to a `usize`
[INFO] [stdout]     |
[INFO] [stdout] 149 |             (self.tcp.header_len() + self.ip.header_len() as usize + payload.len()).into(),
[INFO] [stdout]     |             +                                                                     ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/tcp.rs:149:13
[INFO] [stdout]     |
[INFO] [stdout] 147 |         let size = std::cmp::min(
[INFO] [stdout]     |                    ------------- arguments to this function are incorrect
[INFO] [stdout] 148 |             buf.len(),
[INFO] [stdout] 149 |             self.tcp.header_len() + self.ip.header_len() as usize + payload.len(),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `usize`, found `u16`
[INFO] [stdout]     |
[INFO] [stdout] help: the return type of this call is `u16` due to the type of the argument passed
[INFO] [stdout]    --> src/tcp.rs:147:20
[INFO] [stdout]     |
[INFO] [stdout] 147 |           let size = std::cmp::min(
[INFO] [stdout]     |  ____________________^
[INFO] [stdout] 148 | |             buf.len(),
[INFO] [stdout] 149 | |             self.tcp.header_len() + self.ip.header_len() as usize + payload.len(),
[INFO] [stdout]     | |             --------------------------------------------------------------------- this argument influences the return type of `min`
[INFO] [stdout] 150 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: function defined here
[INFO] [stdout]    --> /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/core/src/cmp.rs:1566:13
[INFO] [stdout] help: you can convert a `u16` to a `usize`
[INFO] [stdout]     |
[INFO] [stdout] 149 |             (self.tcp.header_len() + self.ip.header_len() as usize + payload.len()).into(),
[INFO] [stdout]     |             +                                                                     ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot subtract `&mut [u8]` from `usize`
[INFO] [stdout]    --> src/tcp.rs:175:36
[INFO] [stdout]     |
[INFO] [stdout] 175 |         nic.send(&bufi[..buf.len() - unwritten])?;
[INFO] [stdout]     |                                    ^ no implementation for `usize - &mut [u8]`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Sub<&mut [u8]>` is not implemented for `usize`
[INFO] [stdout] help: the following other types implement trait `Sub<Rhs>`
[INFO] [stdout]    --> /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/core/src/internal_macros.rs:22:8
[INFO] [stdout]     |
[INFO] [stdout]     = note: `&usize` implements `Sub<usize>`
[INFO] [stdout]    ::: /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/core/src/internal_macros.rs:33:8
[INFO] [stdout]     |
[INFO] [stdout]     = note: `usize` implements `Sub<&usize>`
[INFO] [stdout]    ::: /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/core/src/internal_macros.rs:44:8
[INFO] [stdout]     |
[INFO] [stdout]     = note: `&usize` implements `Sub`
[INFO] [stdout]    --> /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/core/src/ops/arith.rs:212:8
[INFO] [stdout]     |
[INFO] [stdout]     = note: `usize` implements `Sub`
[INFO] [stdout]    ::: /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/core/src/ops/arith.rs:227:0
[INFO] [stdout]     |
[INFO] [stdout]     = note: in this macro invocation
[INFO] [stdout]     = note: this error originates in the macro `forward_ref_binop` which comes from the expansion of the macro `sub_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot subtract `&mut [u8]` from `usize`
[INFO] [stdout]    --> src/tcp.rs:175:36
[INFO] [stdout]     |
[INFO] [stdout] 175 |         nic.send(&bufi[..buf.len() - unwritten])?;
[INFO] [stdout]     |                                    ^ no implementation for `usize - &mut [u8]`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Sub<&mut [u8]>` is not implemented for `usize`
[INFO] [stdout] help: the following other types implement trait `Sub<Rhs>`
[INFO] [stdout]    --> /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/core/src/internal_macros.rs:22:8
[INFO] [stdout]     |
[INFO] [stdout]     = note: `&usize` implements `Sub<usize>`
[INFO] [stdout]    ::: /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/core/src/internal_macros.rs:33:8
[INFO] [stdout]     |
[INFO] [stdout]     = note: `usize` implements `Sub<&usize>`
[INFO] [stdout]    ::: /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/core/src/internal_macros.rs:44:8
[INFO] [stdout]     |
[INFO] [stdout]     = note: `&usize` implements `Sub`
[INFO] [stdout]    --> /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/core/src/ops/arith.rs:212:8
[INFO] [stdout]     |
[INFO] [stdout]     = note: `usize` implements `Sub`
[INFO] [stdout]    ::: /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/core/src/ops/arith.rs:227:0
[INFO] [stdout]     |
[INFO] [stdout]     = note: in this macro invocation
[INFO] [stdout]     = note: this error originates in the macro `forward_ref_binop` which comes from the expansion of the macro `sub_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/tcp.rs:142:70
[INFO] [stdout]     |
[INFO] [stdout] 142 |     fn write(&mut self, nic: &mut tun_tap::Iface, payload: &[u8]) -> io::Result<usize> {
[INFO] [stdout]     |        -----                                                         ^^^^^^^^^^^^^^^^^ expected `Result<usize, Error>`, found `()`
[INFO] [stdout]     |        |
[INFO] [stdout]     |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] ...
[INFO] [stdout] 176 |         Ok(payload_bytes);
[INFO] [stdout]     |                          - help: remove this semicolon to return this value
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected enum `Result<usize, std::io::Error>`
[INFO] [stdout]             found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/tcp.rs:142:70
[INFO] [stdout]     |
[INFO] [stdout] 142 |     fn write(&mut self, nic: &mut tun_tap::Iface, payload: &[u8]) -> io::Result<usize> {
[INFO] [stdout]     |        -----                                                         ^^^^^^^^^^^^^^^^^ expected `Result<usize, Error>`, found `()`
[INFO] [stdout]     |        |
[INFO] [stdout]     |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] ...
[INFO] [stdout] 176 |         Ok(payload_bytes);
[INFO] [stdout]     |                          - help: remove this semicolon to return this value
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected enum `Result<usize, std::io::Error>`
[INFO] [stdout]             found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/tcp.rs:179:61
[INFO] [stdout]     |
[INFO] [stdout] 179 |     fn send_rst<'a>(&mut self, nic: &mut tun_tap::Iface) -> io::Result<()> {
[INFO] [stdout]     |        --------                                             ^^^^^^^^^^^^^^ expected `Result<(), Error>`, found `()`
[INFO] [stdout]     |        |
[INFO] [stdout]     |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] ...
[INFO] [stdout] 199 |         Ok(());
[INFO] [stdout]     |               - help: remove this semicolon to return this value
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected enum `Result<(), std::io::Error>`
[INFO] [stdout]             found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/tcp.rs:179:61
[INFO] [stdout]     |
[INFO] [stdout] 179 |     fn send_rst<'a>(&mut self, nic: &mut tun_tap::Iface) -> io::Result<()> {
[INFO] [stdout]     |        --------                                             ^^^^^^^^^^^^^^ expected `Result<(), Error>`, found `()`
[INFO] [stdout]     |        |
[INFO] [stdout]     |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] ...
[INFO] [stdout] 199 |         Ok(());
[INFO] [stdout]     |               - help: remove this semicolon to return this value
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected enum `Result<(), std::io::Error>`
[INFO] [stdout]             found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/tcp.rs:208:10
[INFO] [stdout]     |
[INFO] [stdout] 202 |     pub fn on_packet<'a>(
[INFO] [stdout]     |            --------- implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] ...
[INFO] [stdout] 208 |     ) -> io::Result<()> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^ expected `Result<(), Error>`, found `()`
[INFO] [stdout] ...
[INFO] [stdout] 314 |         Ok(());
[INFO] [stdout]     |               - help: remove this semicolon to return this value
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected enum `Result<(), std::io::Error>`
[INFO] [stdout]             found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/tcp.rs:208:10
[INFO] [stdout]     |
[INFO] [stdout] 202 |     pub fn on_packet<'a>(
[INFO] [stdout]     |            --------- implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] ...
[INFO] [stdout] 208 |     ) -> io::Result<()> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^ expected `Result<(), Error>`, found `()`
[INFO] [stdout] ...
[INFO] [stdout] 314 |         Ok(());
[INFO] [stdout]     |               - help: remove this semicolon to return this value
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected enum `Result<(), std::io::Error>`
[INFO] [stdout]             found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/tcp.rs:320:21
[INFO] [stdout]     |
[INFO] [stdout] 320 |     match start.cmp(x) {
[INFO] [stdout]     |                 --- ^ expected `&u32`, found `u32`
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 arguments to this method are incorrect
[INFO] [stdout]     |
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/core/src/cmp.rs:991:7
[INFO] [stdout] help: consider borrowing here
[INFO] [stdout]     |
[INFO] [stdout] 320 |     match start.cmp(&x) {
[INFO] [stdout]     |                     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/tcp.rs:320:21
[INFO] [stdout]     |
[INFO] [stdout] 320 |     match start.cmp(x) {
[INFO] [stdout]     |                 --- ^ expected `&u32`, found `u32`
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 arguments to this method are incorrect
[INFO] [stdout]     |
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /rustc/22cc29ba5b459fb386c0406b9baf3a49eb0fba39/library/core/src/cmp.rs:991:7
[INFO] [stdout] help: consider borrowing here
[INFO] [stdout]     |
[INFO] [stdout] 320 |     match start.cmp(&x) {
[INFO] [stdout]     |                     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: `match` arms have incompatible types
[INFO] [stdout]    --> src/tcp.rs:344:13
[INFO] [stdout]     |
[INFO] [stdout] 320 |       match start.cmp(x) {
[INFO] [stdout]     |       ------------------ `match` arms have incompatible types
[INFO] [stdout] 321 |           Ordering::Equal => false,
[INFO] [stdout]     |                              ----- this is found to be of type `bool`
[INFO] [stdout] ...
[INFO] [stdout] 344 | /             if end >= start && end <= x {
[INFO] [stdout] 345 | |                 return false;
[INFO] [stdout] 346 | |             }
[INFO] [stdout]     | |_____________^ expected `bool`, found `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: `match` arms have incompatible types
[INFO] [stdout]    --> src/tcp.rs:344:13
[INFO] [stdout]     |
[INFO] [stdout] 320 |       match start.cmp(x) {
[INFO] [stdout]     |       ------------------ `match` arms have incompatible types
[INFO] [stdout] 321 |           Ordering::Equal => false,
[INFO] [stdout]     |                              ----- this is found to be of type `bool`
[INFO] [stdout] ...
[INFO] [stdout] 344 | /             if end >= start && end <= x {
[INFO] [stdout] 345 | |                 return false;
[INFO] [stdout] 346 | |             }
[INFO] [stdout]     | |_____________^ expected `bool`, found `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | /     loop {
[INFO] [stdout] 18 | |         let nbytes = nic.recv(&mut buf[..])?;
[INFO] [stdout] ...  |
[INFO] [stdout] 72 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 73 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | /     loop {
[INFO] [stdout] 18 | |         let nbytes = nic.recv(&mut buf[..])?;
[INFO] [stdout] ...  |
[INFO] [stdout] 72 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 73 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude`
[INFO] [stdout]  --> src/tcp.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0004]: non-exhaustive patterns: `State::Closed` and `State::Listen` not covered
[INFO] [stdout]   --> src/tcp.rs:16:15
[INFO] [stdout]    |
[INFO] [stdout] 16 |         match *self {
[INFO] [stdout]    |               ^^^^^ patterns `State::Closed` and `State::Listen` not covered
[INFO] [stdout]    |
[INFO] [stdout] note: `State` defined here
[INFO] [stdout]   --> src/tcp.rs:4:10
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub enum State {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]  5 |     Closed,
[INFO] [stdout]    |     ------ not covered
[INFO] [stdout]  6 |     Listen,
[INFO] [stdout]    |     ------ not covered
[INFO] [stdout]    = note: the matched value is of type `State`
[INFO] [stdout] help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern, a match arm with multiple or-patterns as shown, or multiple match arms
[INFO] [stdout]    |
[INFO] [stdout] 18 ~             State::Estab | State::FinWait1 | State::FinWait2 | State::Closing => true,
[INFO] [stdout] 19 ~             State::Closed | State::Listen => todo!(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude`
[INFO] [stdout]  --> src/tcp.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0004]: non-exhaustive patterns: `State::Closed` and `State::Listen` not covered
[INFO] [stdout]   --> src/tcp.rs:16:15
[INFO] [stdout]    |
[INFO] [stdout] 16 |         match *self {
[INFO] [stdout]    |               ^^^^^ patterns `State::Closed` and `State::Listen` not covered
[INFO] [stdout]    |
[INFO] [stdout] note: `State` defined here
[INFO] [stdout]   --> src/tcp.rs:4:10
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub enum State {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]  5 |     Closed,
[INFO] [stdout]    |     ------ not covered
[INFO] [stdout]  6 |     Listen,
[INFO] [stdout]    |     ------ not covered
[INFO] [stdout]    = note: the matched value is of type `State`
[INFO] [stdout] help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern, a match arm with multiple or-patterns as shown, or multiple match arms
[INFO] [stdout]    |
[INFO] [stdout] 18 ~             State::Estab | State::FinWait1 | State::FinWait2 | State::Closing => true,
[INFO] [stdout] 19 ~             State::Closed | State::Listen => todo!(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:51:43
[INFO] [stdout]    |
[INFO] [stdout] 51 | ...                   Entry::Vacant(mut e) => {
[INFO] [stdout]    |                                     ----^
[INFO] [stdout]    |                                     |
[INFO] [stdout]    |                                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:51:43
[INFO] [stdout]    |
[INFO] [stdout] 51 | ...                   Entry::Vacant(mut e) => {
[INFO] [stdout]    |                                     ----^
[INFO] [stdout]    |                                     |
[INFO] [stdout]    |                                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 68 |             Err(e) => {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 68 |             Err(e) => {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0004, E0277, E0308, E0424, E0425.
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0004, E0277, E0308, E0424, E0425.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0004`.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0004`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `trust` (bin "trust") due to 16 previous errors; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `trust` (bin "trust" test) due to 16 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "4515abf3807eeb402e7c2ff816f43f6b07af2d2e307341e13183cb0a1a406ea4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4515abf3807eeb402e7c2ff816f43f6b07af2d2e307341e13183cb0a1a406ea4", kill_on_drop: false }`
[INFO] [stdout] 4515abf3807eeb402e7c2ff816f43f6b07af2d2e307341e13183cb0a1a406ea4
