[INFO] cloning repository https://github.com/pexip/os-rust-crossbeam-channel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pexip/os-rust-crossbeam-channel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpexip%2Fos-rust-crossbeam-channel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpexip%2Fos-rust-crossbeam-channel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6d8a60137e612c80e4b0fcb853a45766601d23ad
[INFO] checking pexip/os-rust-crossbeam-channel against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146470-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpexip%2Fos-rust-crossbeam-channel" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/pexip/os-rust-crossbeam-channel
[INFO] finished tweaking git repo https://github.com/pexip/os-rust-crossbeam-channel
[INFO] tweaked toml for git repo https://github.com/pexip/os-rust-crossbeam-channel written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pexip/os-rust-crossbeam-channel on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/pexip/os-rust-crossbeam-channel 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded signal-hook v0.3.14
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.16
[INFO] [stderr]   Downloaded getrandom v0.2.7
[INFO] [stderr]   Downloaded num_cpus v1.13.1
[INFO] [stderr]   Downloaded libc v0.2.126
[INFO] [stderr]   Downloaded rand_core v0.6.3
[INFO] [stderr]   Downloaded once_cell v1.13.0
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.11
[INFO] [stderr]   Downloaded signal-hook-registry v1.4.0
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c9facb4c0c620adc07a09e8ead729e55790cc826c282b0c98ab2e458ebde3925
[INFO] running `Command { std: "docker" "start" "-a" "c9facb4c0c620adc07a09e8ead729e55790cc826c282b0c98ab2e458ebde3925", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9facb4c0c620adc07a09e8ead729e55790cc826c282b0c98ab2e458ebde3925", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9facb4c0c620adc07a09e8ead729e55790cc826c282b0c98ab2e458ebde3925", kill_on_drop: false }`
[INFO] [stdout] c9facb4c0c620adc07a09e8ead729e55790cc826c282b0c98ab2e458ebde3925
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2056cdf567d939330029690b3e3d846d1360b49b2a0d07812bb7275133cd6f87
[INFO] running `Command { std: "docker" "start" "-a" "2056cdf567d939330029690b3e3d846d1360b49b2a0d07812bb7275133cd6f87", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]    Compiling signal-hook v0.3.14
[INFO] [stderr]     Checking once_cell v1.13.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking crossbeam-channel v0.5.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stdout] warning: unexpected `cfg` condition name: `crossbeam_sanitize`
[INFO] [stdout]    --> tests/tick.rs:132:11
[INFO] [stdout]     |
[INFO] [stdout] 132 | #[cfg(not(crossbeam_sanitize))] // TODO: assertions failed due to tsan is slow
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(crossbeam_sanitize)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(crossbeam_sanitize)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `crossbeam_sanitize`
[INFO] [stdout]    --> tests/tick.rs:257:11
[INFO] [stdout]     |
[INFO] [stdout] 257 | #[cfg(not(crossbeam_sanitize))] // TODO: assertions failed due to tsan is slow
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(crossbeam_sanitize)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(crossbeam_sanitize)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]     --> tests/select_macro.rs:1215:27
[INFO] [stdout]      |
[INFO] [stdout] 1215 |         recv(r) -> res => drop::<Result<i32, RecvError>>(res),
[INFO] [stdout]      |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^---^
[INFO] [stdout]      |                                                          |
[INFO] [stdout]      |                                                          argument has type `Result<i32, crossbeam_channel::RecvError>`
[INFO] [stdout]      |
[INFO] [stdout]      = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]      = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]     --> tests/select_macro.rs:1218:27
[INFO] [stdout]      |
[INFO] [stdout] 1218 |         recv(r) -> res => drop::<Result<i32, RecvError>>(res),
[INFO] [stdout]      |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^---^
[INFO] [stdout]      |                                                          |
[INFO] [stdout]      |                                                          argument has type `Result<i32, crossbeam_channel::RecvError>`
[INFO] [stdout]      |
[INFO] [stdout]      = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]     --> tests/select_macro.rs:1222:27
[INFO] [stdout]      |
[INFO] [stdout] 1222 |         recv(r) -> res => drop::<Result<i32, RecvError>>(res),
[INFO] [stdout]      |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^---^
[INFO] [stdout]      |                                                          |
[INFO] [stdout]      |                                                          argument has type `Result<i32, crossbeam_channel::RecvError>`
[INFO] [stdout]      |
[INFO] [stdout]      = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]     --> tests/select_macro.rs:1227:30
[INFO] [stdout]      |
[INFO] [stdout] 1227 |         send(s, 0) -> res => drop::<Result<(), SendError<i32>>>(res),
[INFO] [stdout]      |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^---^
[INFO] [stdout]      |                                                                 |
[INFO] [stdout]      |                                                                 argument has type `Result<(), crossbeam_channel::SendError<i32>>`
[INFO] [stdout]      |
[INFO] [stdout]      = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]     --> tests/select_macro.rs:1230:30
[INFO] [stdout]      |
[INFO] [stdout] 1230 |         send(s, 0) -> res => drop::<Result<(), SendError<i32>>>(res),
[INFO] [stdout]      |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^---^
[INFO] [stdout]      |                                                                 |
[INFO] [stdout]      |                                                                 argument has type `Result<(), crossbeam_channel::SendError<i32>>`
[INFO] [stdout]      |
[INFO] [stdout]      = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]     --> tests/select_macro.rs:1234:30
[INFO] [stdout]      |
[INFO] [stdout] 1234 |         send(s, 0) -> res => drop::<Result<(), SendError<i32>>>(res),
[INFO] [stdout]      |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^---^
[INFO] [stdout]      |                                                                 |
[INFO] [stdout]      |                                                                 argument has type `Result<(), crossbeam_channel::SendError<i32>>`
[INFO] [stdout]      |
[INFO] [stdout]      = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]     --> tests/select_macro.rs:1239:30
[INFO] [stdout]      |
[INFO] [stdout] 1239 |         send(s, 0) -> res => drop::<Result<(), SendError<i32>>>(res),
[INFO] [stdout]      |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^---^
[INFO] [stdout]      |                                                                 |
[INFO] [stdout]      |                                                                 argument has type `Result<(), crossbeam_channel::SendError<i32>>`
[INFO] [stdout]      |
[INFO] [stdout]      = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]     --> tests/select_macro.rs:1240:27
[INFO] [stdout]      |
[INFO] [stdout] 1240 |         recv(r) -> res => drop::<Result<i32, RecvError>>(res),
[INFO] [stdout]      |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^---^
[INFO] [stdout]      |                                                          |
[INFO] [stdout]      |                                                          argument has type `Result<i32, crossbeam_channel::RecvError>`
[INFO] [stdout]      |
[INFO] [stdout]      = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> tests/mpsc.rs:102:17
[INFO] [stdout]     |
[INFO] [stdout] 102 |     pub fn iter(&self) -> Iter<T> {
[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] 102 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> tests/mpsc.rs:106:21
[INFO] [stdout]     |
[INFO] [stdout] 106 |     pub fn try_iter(&self) -> TryIter<T> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 106 |     pub fn try_iter(&self) -> TryIter<'_, T> {
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.73s
[INFO] running `Command { std: "docker" "inspect" "2056cdf567d939330029690b3e3d846d1360b49b2a0d07812bb7275133cd6f87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2056cdf567d939330029690b3e3d846d1360b49b2a0d07812bb7275133cd6f87", kill_on_drop: false }`
[INFO] [stdout] 2056cdf567d939330029690b3e3d846d1360b49b2a0d07812bb7275133cd6f87
