[INFO] cloning repository https://github.com/redox-os/acid
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/redox-os/acid" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredox-os%2Facid", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredox-os%2Facid'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b4e0b4409edb9ae6aba95bdc6aff72e3f7b505e6
[INFO] checking redox-os/acid against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredox-os%2Facid" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/redox-os/acid
[INFO] finished tweaking git repo https://github.com/redox-os/acid
[INFO] tweaked toml for git repo https://github.com/redox-os/acid written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/redox-os/acid on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/redox-os/acid 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded redox-scheme v0.9.0
[INFO] [stderr]   Downloaded x86 v0.47.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af59ff18a7e8bfe82c9068dc908b3215ade95fe320b8cad69ec07000fee983f6
[INFO] running `Command { std: "docker" "start" "-a" "af59ff18a7e8bfe82c9068dc908b3215ade95fe320b8cad69ec07000fee983f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af59ff18a7e8bfe82c9068dc908b3215ade95fe320b8cad69ec07000fee983f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af59ff18a7e8bfe82c9068dc908b3215ade95fe320b8cad69ec07000fee983f6", kill_on_drop: false }`
[INFO] [stdout] af59ff18a7e8bfe82c9068dc908b3215ade95fe320b8cad69ec07000fee983f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e062075dffdc98c7770bf5b4b778234f784e7deda041a48e56934df535daff42
[INFO] running `Command { std: "docker" "start" "-a" "e062075dffdc98c7770bf5b4b778234f784e7deda041a48e56934df535daff42", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]     Checking redox_syscall v0.7.0
[INFO] [stderr]    Compiling x86 v0.47.0
[INFO] [stderr]     Checking bit_field v0.10.3
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]     Checking libredox v0.1.12
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]     Checking redox-scheme v0.9.0
[INFO] [stderr]     Checking signal-hook v0.3.18
[INFO] [stderr]     Checking acid v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(core_intrinsics, thread_local, test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(core_intrinsics, thread_local, test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/daemon.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |             f(Daemon { write_pipe });
[INFO] [stdout]    |             ------------------------ any code following this expression is unreachable
[INFO] [stdout] 35 |             // TODO: Replace Infallible with the never type once it is stabilized.
[INFO] [stdout] 36 |             unreachable!();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `Infallible`, which is uninhabited
[INFO] [stdout]   --> src/daemon.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |             f(Daemon { write_pipe });
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `acid` (bin "acid") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `acid` (bin "acid" test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "e062075dffdc98c7770bf5b4b778234f784e7deda041a48e56934df535daff42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e062075dffdc98c7770bf5b4b778234f784e7deda041a48e56934df535daff42", kill_on_drop: false }`
[INFO] [stdout] e062075dffdc98c7770bf5b4b778234f784e7deda041a48e56934df535daff42
