[INFO] fetching crate mtproxy 0.0.2...
[INFO] checking mtproxy-0.0.2 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate mtproxy 0.0.2 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate mtproxy 0.0.2 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mtproxy 0.0.2
[INFO] finished tweaking crates.io crate mtproxy 0.0.2
[INFO] tweaked toml for crates.io crate mtproxy 0.0.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 64 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding bytes v0.4.12 (latest: v1.6.0)
[INFO] [stderr]       Adding cfg-if v0.1.10 (latest: v1.0.0)
[INFO] [stderr]       Adding clap v2.34.0 (latest: v4.5.4)
[INFO] [stderr]       Adding cloudabi v0.0.3 (latest: v0.1.0)
[INFO] [stderr]       Adding env_logger v0.5.13 (latest: v0.11.3)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding humantime v1.3.0 (latest: v2.1.0)
[INFO] [stderr]       Adding mio v0.6.23 (latest: v0.8.11)
[INFO] [stderr]       Adding miow v0.2.2 (latest: v0.6.0)
[INFO] [stderr]       Adding quick-error v1.2.3 (latest: v2.0.1)
[INFO] [stderr]       Adding rand v0.3.23 (latest: v0.8.5)
[INFO] [stderr]       Adding rand v0.4.6 (latest: v0.8.5)
[INFO] [stderr]       Adding rand v0.5.6 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_core v0.3.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] [stderr]       Adding rdrand v0.4.0 (latest: v0.8.3)
[INFO] [stderr]       Adding strsim v0.8.0 (latest: v0.11.1)
[INFO] [stderr]       Adding textwrap v0.11.0 (latest: v0.16.1)
[INFO] [stderr]       Adding time v0.1.45 (latest: v0.3.36)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding winapi v0.2.8 (latest: v0.3.9)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f9fbbc356705e93ebb1ed4043f577ece430570e21d0b5ee1c540416d821f51e
[INFO] running `Command { std: "docker" "start" "-a" "0f9fbbc356705e93ebb1ed4043f577ece430570e21d0b5ee1c540416d821f51e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f9fbbc356705e93ebb1ed4043f577ece430570e21d0b5ee1c540416d821f51e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f9fbbc356705e93ebb1ed4043f577ece430570e21d0b5ee1c540416d821f51e", kill_on_drop: false }`
[INFO] [stdout] 0f9fbbc356705e93ebb1ed4043f577ece430570e21d0b5ee1c540416d821f51e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23f0ff9b3d8581d32d44fcfc09530c4111ea47fe9d25b3f1604aa32626a1c993
[INFO] running `Command { std: "docker" "start" "-a" "23f0ff9b3d8581d32d44fcfc09530c4111ea47fe9d25b3f1604aa32626a1c993", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking mtproxy v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/proto.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |   dec: Box<SynchronousStreamCipher>,
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/main.rs:1:9
[INFO] [stdout]    |
[INFO] [stdout] 1  | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(bare_trait_objects)]` implied by `#[deny(warnings)]`
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 26 |   dec: Box<dyn SynchronousStreamCipher>,
[INFO] [stdout]    |            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/proto.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |   enc: Box<SynchronousStreamCipher>,
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 27 |   enc: Box<dyn SynchronousStreamCipher>,
[INFO] [stdout]    |            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/proto.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |   dec: Box<SynchronousStreamCipher>,
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/main.rs:1:9
[INFO] [stdout]    |
[INFO] [stdout] 1  | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(bare_trait_objects)]` implied by `#[deny(warnings)]`
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 26 |   dec: Box<dyn SynchronousStreamCipher>,
[INFO] [stdout]    |            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/proto.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |   enc: Box<SynchronousStreamCipher>,
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 27 |   enc: Box<dyn SynchronousStreamCipher>,
[INFO] [stdout]    |            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: variable does not need to be mutable
[INFO] [stdout]    --> src/proxy.rs:154:11
[INFO] [stdout]     |
[INFO] [stdout] 154 |       let mut pump = pump.borrow_mut();
[INFO] [stdout]     |           ----^^^^
[INFO] [stdout]     |           |
[INFO] [stdout]     |           help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(unused_mut)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: variable does not need to be mutable
[INFO] [stdout]    --> src/proxy.rs:154:11
[INFO] [stdout]     |
[INFO] [stdout] 154 |       let mut pump = pump.borrow_mut();
[INFO] [stdout]     |           ----^^^^
[INFO] [stdout]     |           |
[INFO] [stdout]     |           help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(unused_mut)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused return value of `Vec::<T, A>::split_off` that must be used
[INFO] [stdout]    --> src/pump.rs:105:11
[INFO] [stdout]     |
[INFO] [stdout] 105 |           buf.split_off(n);
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `.truncate()` if you don't need the other half
[INFO] [stdout]     = note: `#[deny(unused_must_use)]` implied by `#[deny(warnings)]`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 105 |           let _ = buf.split_off(n);
[INFO] [stdout]     |           +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused return value of `Vec::<T, A>::split_off` that must be used
[INFO] [stdout]    --> src/pump.rs:105:11
[INFO] [stdout]     |
[INFO] [stdout] 105 |           buf.split_off(n);
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `.truncate()` if you don't need the other half
[INFO] [stdout]     = note: `#[deny(unused_must_use)]` implied by `#[deny(warnings)]`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 105 |           let _ = buf.split_off(n);
[INFO] [stdout]     |           +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mtproxy` (bin "mtproxy") due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `mtproxy` (bin "mtproxy" test) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "23f0ff9b3d8581d32d44fcfc09530c4111ea47fe9d25b3f1604aa32626a1c993", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23f0ff9b3d8581d32d44fcfc09530c4111ea47fe9d25b3f1604aa32626a1c993", kill_on_drop: false }`
[INFO] [stdout] 23f0ff9b3d8581d32d44fcfc09530c4111ea47fe9d25b3f1604aa32626a1c993
[INFO] checking mtproxy-0.0.2 against try#9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88 for pr-124157
[INFO] extracting crate mtproxy 0.0.2 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate mtproxy 0.0.2 on toolchain 9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mtproxy 0.0.2
[INFO] finished tweaking crates.io crate mtproxy 0.0.2
[INFO] tweaked toml for crates.io crate mtproxy 0.0.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 64 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding bytes v0.4.12 (latest: v1.6.0)
[INFO] [stderr]       Adding cfg-if v0.1.10 (latest: v1.0.0)
[INFO] [stderr]       Adding clap v2.34.0 (latest: v4.5.4)
[INFO] [stderr]       Adding cloudabi v0.0.3 (latest: v0.1.0)
[INFO] [stderr]       Adding env_logger v0.5.13 (latest: v0.11.3)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding humantime v1.3.0 (latest: v2.1.0)
[INFO] [stderr]       Adding mio v0.6.23 (latest: v0.8.11)
[INFO] [stderr]       Adding miow v0.2.2 (latest: v0.6.0)
[INFO] [stderr]       Adding quick-error v1.2.3 (latest: v2.0.1)
[INFO] [stderr]       Adding rand v0.3.23 (latest: v0.8.5)
[INFO] [stderr]       Adding rand v0.4.6 (latest: v0.8.5)
[INFO] [stderr]       Adding rand v0.5.6 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_core v0.3.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] [stderr]       Adding rdrand v0.4.0 (latest: v0.8.3)
[INFO] [stderr]       Adding strsim v0.8.0 (latest: v0.11.1)
[INFO] [stderr]       Adding textwrap v0.11.0 (latest: v0.16.1)
[INFO] [stderr]       Adding time v0.1.45 (latest: v0.3.36)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding winapi v0.2.8 (latest: v0.3.9)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44de70e8956a080065280ba538158479f650aa9b76513bafe23bddd8b459760d
[INFO] running `Command { std: "docker" "start" "-a" "44de70e8956a080065280ba538158479f650aa9b76513bafe23bddd8b459760d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44de70e8956a080065280ba538158479f650aa9b76513bafe23bddd8b459760d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44de70e8956a080065280ba538158479f650aa9b76513bafe23bddd8b459760d", kill_on_drop: false }`
[INFO] [stdout] 44de70e8956a080065280ba538158479f650aa9b76513bafe23bddd8b459760d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] afe44649e1c879b9f4ff9fcbc885fd4f3a3f5e419e7b46fc5379c8369ed4a95e
[INFO] running `Command { std: "docker" "start" "-a" "afe44649e1c879b9f4ff9fcbc885fd4f3a3f5e419e7b46fc5379c8369ed4a95e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking mtproxy v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/proto.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |   dec: Box<SynchronousStreamCipher>,
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/main.rs:1:9
[INFO] [stdout]    |
[INFO] [stdout] 1  | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(bare_trait_objects)]` implied by `#[deny(warnings)]`
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 26 |   dec: Box<dyn SynchronousStreamCipher>,
[INFO] [stdout]    |            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/proto.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |   enc: Box<SynchronousStreamCipher>,
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 27 |   enc: Box<dyn SynchronousStreamCipher>,
[INFO] [stdout]    |            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/proto.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |   dec: Box<SynchronousStreamCipher>,
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/main.rs:1:9
[INFO] [stdout]    |
[INFO] [stdout] 1  | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(bare_trait_objects)]` implied by `#[deny(warnings)]`
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 26 |   dec: Box<dyn SynchronousStreamCipher>,
[INFO] [stdout]    |            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/proto.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |   enc: Box<SynchronousStreamCipher>,
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 27 |   enc: Box<dyn SynchronousStreamCipher>,
[INFO] [stdout]    |            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: variable does not need to be mutable
[INFO] [stdout]    --> src/proxy.rs:154:11
[INFO] [stdout]     |
[INFO] [stdout] 154 |       let mut pump = pump.borrow_mut();
[INFO] [stdout]     |           ----^^^^
[INFO] [stdout]     |           |
[INFO] [stdout]     |           help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(unused_mut)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused return value of `Vec::<T, A>::split_off` that must be used
[INFO] [stdout]    --> src/pump.rs:105:11
[INFO] [stdout]     |
[INFO] [stdout] 105 |           buf.split_off(n);
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `.truncate()` if you don't need the other half
[INFO] [stdout]     = note: `#[deny(unused_must_use)]` implied by `#[deny(warnings)]`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 105 |           let _ = buf.split_off(n);
[INFO] [stdout]     |           +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: variable does not need to be mutable
[INFO] [stdout]    --> src/proxy.rs:154:11
[INFO] [stdout]     |
[INFO] [stdout] 154 |       let mut pump = pump.borrow_mut();
[INFO] [stdout]     |           ----^^^^
[INFO] [stdout]     |           |
[INFO] [stdout]     |           help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(unused_mut)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mtproxy` (bin "mtproxy") due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: unused return value of `Vec::<T, A>::split_off` that must be used
[INFO] [stdout]    --> src/pump.rs:105:11
[INFO] [stdout]     |
[INFO] [stdout] 105 |           buf.split_off(n);
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `.truncate()` if you don't need the other half
[INFO] [stdout]     = note: `#[deny(unused_must_use)]` implied by `#[deny(warnings)]`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 105 |           let _ = buf.split_off(n);
[INFO] [stdout]     |           +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mtproxy` (bin "mtproxy" test) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "afe44649e1c879b9f4ff9fcbc885fd4f3a3f5e419e7b46fc5379c8369ed4a95e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afe44649e1c879b9f4ff9fcbc885fd4f3a3f5e419e7b46fc5379c8369ed4a95e", kill_on_drop: false }`
[INFO] [stdout] afe44649e1c879b9f4ff9fcbc885fd4f3a3f5e419e7b46fc5379c8369ed4a95e
