[INFO] cloning repository https://github.com/MarijnS95/nfc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MarijnS95/nfc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarijnS95%2Fnfc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarijnS95%2Fnfc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2569508d321990df2c905b72cdd3cf74373f2c2d
[INFO] checking MarijnS95/nfc against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarijnS95%2Fnfc" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MarijnS95/nfc on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MarijnS95/nfc
[INFO] finished tweaking git repo https://github.com/MarijnS95/nfc
[INFO] tweaked toml for git repo https://github.com/MarijnS95/nfc written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/MarijnS95/nfc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 03aaa80e507f57635a21e7b17655803129e7dee18b10707b0729265f71b01ff6
[INFO] running `Command { std: "docker" "start" "-a" "03aaa80e507f57635a21e7b17655803129e7dee18b10707b0729265f71b01ff6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03aaa80e507f57635a21e7b17655803129e7dee18b10707b0729265f71b01ff6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03aaa80e507f57635a21e7b17655803129e7dee18b10707b0729265f71b01ff6", kill_on_drop: false }`
[INFO] [stdout] 03aaa80e507f57635a21e7b17655803129e7dee18b10707b0729265f71b01ff6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58754e3e31b083cf9f0e1301fae2818a9e4091f1801264322e00ab07a2df792f
[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" "58754e3e31b083cf9f0e1301fae2818a9e4091f1801264322e00ab07a2df792f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]     Checking nfc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find function `__errno` in crate `libc`
[INFO] [stdout]   --> src/main.rs:40:33
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let e = unsafe { *libc::__errno() };
[INFO] [stdout]    |                                 ^^^^^^^ not found in `libc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `__errno` in crate `libc`
[INFO] [stdout]   --> src/main.rs:40:33
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let e = unsafe { *libc::__errno() };
[INFO] [stdout]    |                                 ^^^^^^^ not found in `libc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nfc` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "58754e3e31b083cf9f0e1301fae2818a9e4091f1801264322e00ab07a2df792f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58754e3e31b083cf9f0e1301fae2818a9e4091f1801264322e00ab07a2df792f", kill_on_drop: false }`
[INFO] [stdout] 58754e3e31b083cf9f0e1301fae2818a9e4091f1801264322e00ab07a2df792f