[INFO] cloning repository https://github.com/jeremyschlatter/binary-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/jeremyschlatter/binary-lambda-calculus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeremyschlatter%2Fbinary-lambda-calculus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeremyschlatter%2Fbinary-lambda-calculus'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b83294735c503b3e75e117d936e93c8402fd026b
[INFO] checking jeremyschlatter/binary-lambda-calculus against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeremyschlatter%2Fbinary-lambda-calculus" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jeremyschlatter/binary-lambda-calculus on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jeremyschlatter/binary-lambda-calculus
[INFO] finished tweaking git repo https://github.com/jeremyschlatter/binary-lambda-calculus
[INFO] tweaked toml for git repo https://github.com/jeremyschlatter/binary-lambda-calculus written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jeremyschlatter/binary-lambda-calculus 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn-mid v0.5.3
[INFO] [stderr]   Downloaded genawaiter v0.99.1
[INFO] [stderr]   Downloaded genawaiter-macro v0.99.1
[INFO] [stderr]   Downloaded genawaiter-proc-macro v0.99.1
[INFO] [stderr]   Downloaded lambda_calculus v3.0.2
[INFO] [stderr]   Downloaded blc v0.6.0
[INFO] [stderr]   Downloaded lambda_calculus v2.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48648f2bb9b2cc5a6526497af679e10c3afaba19ab235cd111034aabba53bba6
[INFO] running `Command { std: "docker" "start" "-a" "48648f2bb9b2cc5a6526497af679e10c3afaba19ab235cd111034aabba53bba6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48648f2bb9b2cc5a6526497af679e10c3afaba19ab235cd111034aabba53bba6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48648f2bb9b2cc5a6526497af679e10c3afaba19ab235cd111034aabba53bba6", kill_on_drop: false }`
[INFO] [stdout] 48648f2bb9b2cc5a6526497af679e10c3afaba19ab235cd111034aabba53bba6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4fa22fcda3948db962348776c3852a3e4773b63a9eca5abd91156922217f7209
[INFO] running `Command { std: "docker" "start" "-a" "4fa22fcda3948db962348776c3852a3e4773b63a9eca5abd91156922217f7209", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.38
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling syn v1.0.94
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking lambda_calculus v2.2.0
[INFO] [stderr]     Checking genawaiter-macro v0.99.1
[INFO] [stderr]     Checking lambda_calculus v3.0.2
[INFO] [stderr]     Checking blc v0.6.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling syn-mid v0.5.3
[INFO] [stderr]    Compiling genawaiter-proc-macro v0.99.1
[INFO] [stderr]     Checking genawaiter v0.99.1
[INFO] [stderr]     Checking binary-lambda-calculus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.03s
[INFO] running `Command { std: "docker" "inspect" "4fa22fcda3948db962348776c3852a3e4773b63a9eca5abd91156922217f7209", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fa22fcda3948db962348776c3852a3e4773b63a9eca5abd91156922217f7209", kill_on_drop: false }`
[INFO] [stdout] 4fa22fcda3948db962348776c3852a3e4773b63a9eca5abd91156922217f7209