[INFO] fetching crate lambda_calc 2.0.0...
[INFO] checking lambda_calc-2.0.0 against master#3dbade652ed8ebac70f903e01f51cd92c4e4302c for pr-69741
[INFO] extracting crate lambda_calc 2.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate lambda_calc 2.0.0 on toolchain 3dbade652ed8ebac70f903e01f51cd92c4e4302c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate lambda_calc 2.0.0
[INFO] finished tweaking crates.io crate lambda_calc 2.0.0
[INFO] tweaked toml for crates.io crate lambda_calc 2.0.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate lambda_calc 2.0.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 23592fd2ba0357dac9c77b68407873cd159dd7968820146ad2c4c596e699d599
[INFO] running `"docker" "start" "-a" "23592fd2ba0357dac9c77b68407873cd159dd7968820146ad2c4c596e699d599"`
[INFO] [stderr]    Compiling proc-macro2 v1.0.4
[INFO] [stderr]    Compiling log v0.4.7
[INFO] [stderr]     Checking dirs-sys v0.3.3
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking dirs v2.0.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking rustyline v5.0.0
[INFO] [stderr]    Compiling rustyline-derive v0.2.0
[INFO] [stderr]     Checking lambda_calc v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.48s
[INFO] running `"docker" "inspect" "23592fd2ba0357dac9c77b68407873cd159dd7968820146ad2c4c596e699d599"`
[INFO] running `"docker" "rm" "-f" "23592fd2ba0357dac9c77b68407873cd159dd7968820146ad2c4c596e699d599"`
[INFO] [stdout] 23592fd2ba0357dac9c77b68407873cd159dd7968820146ad2c4c596e699d599