[INFO] cloning repository https://github.com/rubigo/true
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rubigo/true" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frubigo%2Ftrue", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frubigo%2Ftrue'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d2a3939b00e936d28d4b70324333810e3285bc2a
[INFO] checking rubigo/true against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frubigo%2Ftrue" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rubigo/true on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rubigo/true
[INFO] finished tweaking git repo https://github.com/rubigo/true
[INFO] tweaked toml for git repo https://github.com/rubigo/true written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/rubigo/true already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bbd818228b827fbdfe3cb1b0473d04e5f027b135c229cb148c307c9cc880cad8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bbd818228b827fbdfe3cb1b0473d04e5f027b135c229cb148c307c9cc880cad8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbd818228b827fbdfe3cb1b0473d04e5f027b135c229cb148c307c9cc880cad8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbd818228b827fbdfe3cb1b0473d04e5f027b135c229cb148c307c9cc880cad8", kill_on_drop: false }`
[INFO] [stdout] bbd818228b827fbdfe3cb1b0473d04e5f027b135c229cb148c307c9cc880cad8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d74261590cd705df775665b5e1bae4f1fac1a449f2d3a8787f482690e1eaedd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3d74261590cd705df775665b5e1bae4f1fac1a449f2d3a8787f482690e1eaedd", kill_on_drop: false }`
[INFO] [stderr]     Checking rubigo-true v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: missing documentation for the crate
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / #![doc(html_logo_url = "https://rubigo.github.io/coreutils/logo.png")]
[INFO] [stdout] 2 | | #![warn(missing_docs)]
[INFO] [stdout] 3 | |
[INFO] [stdout] 4 | | pub const EXIT_SUCCESS: i32 = 0;
[INFO] [stdout] 5 | | pub const EXIT_FAILURE: i32 = 1;
[INFO] [stdout]   | |________________________________^
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/lib.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![warn(missing_docs)]
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a constant
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub const EXIT_SUCCESS: i32 = 0;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a constant
[INFO] [stdout]  --> src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub const EXIT_FAILURE: i32 = 1;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "3d74261590cd705df775665b5e1bae4f1fac1a449f2d3a8787f482690e1eaedd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d74261590cd705df775665b5e1bae4f1fac1a449f2d3a8787f482690e1eaedd", kill_on_drop: false }`
[INFO] [stdout] 3d74261590cd705df775665b5e1bae4f1fac1a449f2d3a8787f482690e1eaedd