[INFO] fetching crate ttftp 0.2.0...
[INFO] testing ttftp-0.2.0 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate ttftp 0.2.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate ttftp 0.2.0
[INFO] finished tweaking crates.io crate ttftp 0.2.0
[INFO] tweaked toml for crates.io crate ttftp 0.2.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ttftp 0.2.0 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] [stderr]       Adding nom v7.1.3 (available: v8.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded macro_rules_attribute-proc_macro v0.2.2
[INFO] [stderr]   Downloaded macro_rules_attribute v0.2.2
[INFO] [stderr]   Downloaded netascii v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51cfd80bdb5f8db58da237f35add7e67b3c16e91272e6ec55dc66d0bf9c77d39
[INFO] running `Command { std: "docker" "start" "-a" "51cfd80bdb5f8db58da237f35add7e67b3c16e91272e6ec55dc66d0bf9c77d39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51cfd80bdb5f8db58da237f35add7e67b3c16e91272e6ec55dc66d0bf9c77d39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51cfd80bdb5f8db58da237f35add7e67b3c16e91272e6ec55dc66d0bf9c77d39", kill_on_drop: false }`
[INFO] [stdout] 51cfd80bdb5f8db58da237f35add7e67b3c16e91272e6ec55dc66d0bf9c77d39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb9e7e60cf442bab1e21dc8773c01050b31727276e6ff33b2ef6b1074dc57b6c
[INFO] running `Command { std: "docker" "start" "-a" "cb9e7e60cf442bab1e21dc8773c01050b31727276e6ff33b2ef6b1074dc57b6c", kill_on_drop: false }`
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling macro_rules_attribute-proc_macro v0.2.2
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling netascii v0.1.0
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling macro_rules_attribute v0.2.2
[INFO] [stderr]    Compiling ttftp v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/client.rs:1078:26
[INFO] [stdout]      |
[INFO] [stdout] 1078 |             self.message.display(),
[INFO] [stdout]      |                          ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `DisplayExt::display(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]      = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] help: add `#![feature(cstr_display)]` to the crate attributes to enable `core::ffi::CStr::display`
[INFO] [stdout]     -->  src/lib.rs:13:1
[INFO] [stdout]      |
[INFO] [stdout]   13 + #![feature(cstr_display)]
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/client.rs:1200:58
[INFO] [stdout]      |
[INFO] [stdout] 1200 |         write!(f, "illegal filename '{}'", self.filename.display())
[INFO] [stdout]      |                                                          ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `DisplayExt::display(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] help: add `#![feature(cstr_display)]` to the crate attributes to enable `core::ffi::CStr::display`
[INFO] [stdout]     -->  src/lib.rs:13:1
[INFO] [stdout]      |
[INFO] [stdout]   13 + #![feature(cstr_display)]
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/lib.rs:698:47
[INFO] [stdout]     |
[INFO] [stdout] 698 |         write!(f, "unknown mode '{}'", self.0.display())
[INFO] [stdout]     |                                               ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: call with fully qualified syntax `DisplayExt::display(...)` to keep using the current method
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] help: add `#![feature(cstr_display)]` to the crate attributes to enable `core::ffi::CStr::display`
[INFO] [stdout]     |
[INFO] [stdout]  13 + #![feature(cstr_display)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:180:18
[INFO] [stdout]     |
[INFO] [stdout] 180 |     pub fn bytes(&self) -> Result<PacketBytes, TooLongError> {
[INFO] [stdout]     |                  ^^^^^            ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 180 |     pub fn bytes(&self) -> Result<PacketBytes<'_>, TooLongError> {
[INFO] [stdout]     |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.96s
[INFO] running `Command { std: "docker" "inspect" "cb9e7e60cf442bab1e21dc8773c01050b31727276e6ff33b2ef6b1074dc57b6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb9e7e60cf442bab1e21dc8773c01050b31727276e6ff33b2ef6b1074dc57b6c", kill_on_drop: false }`
[INFO] [stdout] cb9e7e60cf442bab1e21dc8773c01050b31727276e6ff33b2ef6b1074dc57b6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55b3e3ccffd8f81f2b8e78b4708f04635ed03a1268d867f9d578e4792951a852
[INFO] running `Command { std: "docker" "start" "-a" "55b3e3ccffd8f81f2b8e78b4708f04635ed03a1268d867f9d578e4792951a852", kill_on_drop: false }`
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/client.rs:1078:26
[INFO] [stdout]      |
[INFO] [stdout] 1078 |             self.message.display(),
[INFO] [stdout]      |                          ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `DisplayExt::display(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]      = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] help: add `#![feature(cstr_display)]` to the crate attributes to enable `core::ffi::CStr::display`
[INFO] [stdout]     -->  src/lib.rs:13:1
[INFO] [stdout]      |
[INFO] [stdout]   13 + #![feature(cstr_display)]
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/client.rs:1200:58
[INFO] [stdout]      |
[INFO] [stdout] 1200 |         write!(f, "illegal filename '{}'", self.filename.display())
[INFO] [stdout]      |                                                          ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `DisplayExt::display(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] help: add `#![feature(cstr_display)]` to the crate attributes to enable `core::ffi::CStr::display`
[INFO] [stdout]     -->  src/lib.rs:13:1
[INFO] [stdout]      |
[INFO] [stdout]   13 + #![feature(cstr_display)]
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/lib.rs:698:47
[INFO] [stdout]     |
[INFO] [stdout] 698 |         write!(f, "unknown mode '{}'", self.0.display())
[INFO] [stdout]     |                                               ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: call with fully qualified syntax `DisplayExt::display(...)` to keep using the current method
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] help: add `#![feature(cstr_display)]` to the crate attributes to enable `core::ffi::CStr::display`
[INFO] [stdout]     |
[INFO] [stdout]  13 + #![feature(cstr_display)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:180:18
[INFO] [stdout]     |
[INFO] [stdout] 180 |     pub fn bytes(&self) -> Result<PacketBytes, TooLongError> {
[INFO] [stdout]     |                  ^^^^^            ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 180 |     pub fn bytes(&self) -> Result<PacketBytes<'_>, TooLongError> {
[INFO] [stdout]     |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ttftp v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/client.rs:1078:26
[INFO] [stdout]      |
[INFO] [stdout] 1078 |             self.message.display(),
[INFO] [stdout]      |                          ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `DisplayExt::display(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]      = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] help: add `#![feature(cstr_display)]` to the crate attributes to enable `core::ffi::CStr::display`
[INFO] [stdout]     -->  src/lib.rs:13:1
[INFO] [stdout]      |
[INFO] [stdout]   13 + #![feature(cstr_display)]
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/client.rs:1200:58
[INFO] [stdout]      |
[INFO] [stdout] 1200 |         write!(f, "illegal filename '{}'", self.filename.display())
[INFO] [stdout]      |                                                          ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `DisplayExt::display(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] help: add `#![feature(cstr_display)]` to the crate attributes to enable `core::ffi::CStr::display`
[INFO] [stdout]     -->  src/lib.rs:13:1
[INFO] [stdout]      |
[INFO] [stdout]   13 + #![feature(cstr_display)]
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/lib.rs:698:47
[INFO] [stdout]     |
[INFO] [stdout] 698 |         write!(f, "unknown mode '{}'", self.0.display())
[INFO] [stdout]     |                                               ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: call with fully qualified syntax `DisplayExt::display(...)` to keep using the current method
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] help: add `#![feature(cstr_display)]` to the crate attributes to enable `core::ffi::CStr::display`
[INFO] [stdout]     |
[INFO] [stdout]  13 + #![feature(cstr_display)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:180:18
[INFO] [stdout]     |
[INFO] [stdout] 180 |     pub fn bytes(&self) -> Result<PacketBytes, TooLongError> {
[INFO] [stdout]     |                  ^^^^^            ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 180 |     pub fn bytes(&self) -> Result<PacketBytes<'_>, TooLongError> {
[INFO] [stdout]     |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "55b3e3ccffd8f81f2b8e78b4708f04635ed03a1268d867f9d578e4792951a852", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55b3e3ccffd8f81f2b8e78b4708f04635ed03a1268d867f9d578e4792951a852", kill_on_drop: false }`
[INFO] [stdout] 55b3e3ccffd8f81f2b8e78b4708f04635ed03a1268d867f9d578e4792951a852
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 245d50f4a6619ef213faaf34a5336d51434212630bb8be6c1d77d39c1c4f0da9
[INFO] running `Command { std: "docker" "start" "-a" "245d50f4a6619ef213faaf34a5336d51434212630bb8be6c1d77d39c1c4f0da9", kill_on_drop: false }`
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]     --> src/client.rs:1078:26
[INFO] [stderr]      |
[INFO] [stderr] 1078 |             self.message.display(),
[INFO] [stderr]      |                          ^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: call with fully qualified syntax `DisplayExt::display(...)` to keep using the current method
[INFO] [stderr]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]      = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stderr] help: add `#![feature(cstr_display)]` to the crate attributes to enable `core::ffi::CStr::display`
[INFO] [stderr]     -->  src/lib.rs:13:1
[INFO] [stderr]      |
[INFO] [stderr]   13 + #![feature(cstr_display)]
[INFO] [stdout] 
[INFO] [stderr]      |
[INFO] [stdout] running 25 tests
[INFO] [stderr] 
[INFO] [stdout] test client::download::tests::test_new_netascii ... ok
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout] test client::download::tests::test_new_octet ... ok
[INFO] [stderr]     --> src/client.rs:1200:58
[INFO] [stdout] test client::download::tests::test_new_long_filename ... ok
[INFO] [stderr]      |
[INFO] [stdout] test client::download::tests::test_process_block_too_long ... ok
[INFO] [stderr] 1200 |         write!(f, "illegal filename '{}'", self.filename.display())
[INFO] [stdout] test client::download::tests::test_process_peer_error ... ok
[INFO] [stderr]      |                                                          ^^^^^^^
[INFO] [stdout] test client::upload::tests::test_new_netascii ... ok
[INFO] [stderr]      |
[INFO] [stdout] test client::upload::tests::test_new_long_filename ... ok
[INFO] [stderr]      = help: call with fully qualified syntax `DisplayExt::display(...)` to keep using the current method
[INFO] [stdout] test client::upload::tests::test_new_octet ... ok
[INFO] [stderr]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout] test client::download::tests::test_process_trailing_garbage ... ok
[INFO] [stderr]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] test client::upload::tests::test_process_peer_error ... ok
[INFO] [stderr] help: add `#![feature(cstr_display)]` to the crate attributes to enable `core::ffi::CStr::display`
[INFO] [stdout] test client::upload::tests::test_process_trailing_garbage ... ok
[INFO] [stderr]     -->  src/lib.rs:13:1
[INFO] [stdout] test client::upload::tests::test_process_retransmission ... ok
[INFO] [stderr]      |
[INFO] [stdout] test client::upload::tests::test_process_transfer_complete ... ok
[INFO] [stderr]   13 + #![feature(cstr_display)]
[INFO] [stdout] test parser::tests::test_bad_opcode ... ok
[INFO] [stderr]      |
[INFO] [stdout] test client::upload::tests::test_process_unterminated_peer_error ... ok
[INFO] [stderr] 
[INFO] [stdout] test tests::test_unknown_tid_packet ... ok
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout] test parser::tests::test_packet ... ok
[INFO] [stderr]    --> src/lib.rs:698:47
[INFO] [stdout] test client::download::tests::test_process_unterminated_peer_error ... ok
[INFO] [stderr]     |
[INFO] [stdout] test client::upload::tests::test_process_final_block ... ok
[INFO] [stderr] 698 |         write!(f, "unknown mode '{}'", self.0.display())
[INFO] [stdout] test client::download::tests::test_process_final_block ... ok
[INFO] [stderr]     |                                               ^^^^^^^
[INFO] [stdout] test client::upload::tests::test_process_bad_opcode ... ok
[INFO] [stderr]     |
[INFO] [stdout] test client::download::tests::test_process_intermediate_block ... ok
[INFO] [stderr]     = help: call with fully qualified syntax `DisplayExt::display(...)` to keep using the current method
[INFO] [stdout] test client::upload::tests::test_process_intermediate_block ... ok
[INFO] [stderr]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout] test client::download::tests::test_process_retransmission ... ok
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr] help: add `#![feature(cstr_display)]` to the crate attributes to enable `core::ffi::CStr::display`
[INFO] [stderr]     |
[INFO] [stderr]  13 + #![feature(cstr_display)]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:180:18
[INFO] [stderr]     |
[INFO] [stderr] 180 |     pub fn bytes(&self) -> Result<PacketBytes, TooLongError> {
[INFO] [stderr]     |                  ^^^^^            ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 180 |     pub fn bytes(&self) -> Result<PacketBytes<'_>, TooLongError> {
[INFO] [stderr]     |                                              ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `ttftp` (lib) generated 4 warnings (run `cargo fix --lib -p ttftp` to apply 1 suggestion)
[INFO] [stderr] warning: `ttftp` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ttftp-c38a78d82b180f7d)
[INFO] [stdout] test client::download::tests::test_process_bad_opcode ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 25 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ttftp
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/client.rs - client::download (line 32) - compile ... ok
[INFO] [stdout] test src/client.rs - client::upload (line 507) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "245d50f4a6619ef213faaf34a5336d51434212630bb8be6c1d77d39c1c4f0da9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "245d50f4a6619ef213faaf34a5336d51434212630bb8be6c1d77d39c1c4f0da9", kill_on_drop: false }`
[INFO] [stdout] 245d50f4a6619ef213faaf34a5336d51434212630bb8be6c1d77d39c1c4f0da9
