[INFO] cloning repository https://github.com/JoshuaGross/rs-lambda-calculus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JoshuaGross/rs-lambda-calculus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoshuaGross%2Frs-lambda-calculus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoshuaGross%2Frs-lambda-calculus'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a02c2d9bbe6b81965ccfd2fbe3da265931423bd4
[INFO] checking JoshuaGross/rs-lambda-calculus against try#82acd1d76add2232e19c1f0feb250d2a19ec6efe for pr-81213
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoshuaGross%2Frs-lambda-calculus" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JoshuaGross/rs-lambda-calculus on toolchain 82acd1d76add2232e19c1f0feb250d2a19ec6efe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JoshuaGross/rs-lambda-calculus
[INFO] finished tweaking git repo https://github.com/JoshuaGross/rs-lambda-calculus
[INFO] tweaked toml for git repo https://github.com/JoshuaGross/rs-lambda-calculus written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/JoshuaGross/rs-lambda-calculus already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded funty v1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "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] 4d05882c470eb6356e090ded2b4eb1478f97159ae32bba0b1774e69ad368eaee
[INFO] running `Command { std: "docker" "start" "-a" "4d05882c470eb6356e090ded2b4eb1478f97159ae32bba0b1774e69ad368eaee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d05882c470eb6356e090ded2b4eb1478f97159ae32bba0b1774e69ad368eaee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d05882c470eb6356e090ded2b4eb1478f97159ae32bba0b1774e69ad368eaee", kill_on_drop: false }`
[INFO] [stdout] 4d05882c470eb6356e090ded2b4eb1478f97159ae32bba0b1774e69ad368eaee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91e903894b0a237bbe2426f653e513f0d75f7289933e33d516a9b2d9bd325af6
[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" "91e903894b0a237bbe2426f653e513f0d75f7289933e33d516a9b2d9bd325af6", 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 radium v0.5.3
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking tap v1.0.0
[INFO] [stderr]    Compiling nom v6.0.1
[INFO] [stderr]     Checking bitvec v0.19.4
[INFO] [stderr]     Checking lexical-core v0.7.4
[INFO] [stderr]     Checking rs-lambda-calculus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.57s
[INFO] running `Command { std: "docker" "inspect" "91e903894b0a237bbe2426f653e513f0d75f7289933e33d516a9b2d9bd325af6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91e903894b0a237bbe2426f653e513f0d75f7289933e33d516a9b2d9bd325af6", kill_on_drop: false }`
[INFO] [stdout] 91e903894b0a237bbe2426f653e513f0d75f7289933e33d516a9b2d9bd325af6