[INFO] fetching crate grrs_baby 0.1.1...
[INFO] checking grrs_baby-0.1.1 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate grrs_baby 0.1.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate grrs_baby 0.1.1 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate grrs_baby 0.1.1
[INFO] finished tweaking crates.io crate grrs_baby 0.1.1
[INFO] tweaked toml for crates.io crate grrs_baby 0.1.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate grrs_baby 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hermit-abi v0.1.6
[INFO] [stderr]   Downloaded regex-syntax v0.6.14
[INFO] [stderr]   Downloaded proc-macro2 v1.0.8
[INFO] [stderr]   Downloaded syn v1.0.14
[INFO] [stderr]   Downloaded memchr v2.3.0
[INFO] [stderr]   Downloaded regex v1.3.4
[INFO] [stderr]   Downloaded aho-corasick v0.7.8
[INFO] [stderr]   Downloaded serde_json v1.0.47
[INFO] [stderr]   Downloaded backtrace v0.3.43
[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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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] 64d7a1ca97899443638f9fcb16b42f9480f6d58048901203e6e909ef039f4f0a
[INFO] running `Command { std: "docker" "start" "-a" "64d7a1ca97899443638f9fcb16b42f9480f6d58048901203e6e909ef039f4f0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64d7a1ca97899443638f9fcb16b42f9480f6d58048901203e6e909ef039f4f0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64d7a1ca97899443638f9fcb16b42f9480f6d58048901203e6e909ef039f4f0a", kill_on_drop: false }`
[INFO] [stdout] 64d7a1ca97899443638f9fcb16b42f9480f6d58048901203e6e909ef039f4f0a
[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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] aca373c80152d194db622b57cff65b8c17f8be6e0e69b164ff07de6f0c44c81c
[INFO] running `Command { std: "docker" "start" "-a" "aca373c80152d194db622b57cff65b8c17f8be6e0e69b164ff07de6f0c44c81c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.6.14
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling escargot v0.3.1
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking predicates-core v1.0.0
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking normalize-line-endings v0.2.2
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking backtrace v0.3.43
[INFO] [stderr]     Checking predicates-tree v1.0.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking aho-corasick v0.7.8
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking float-cmp v0.5.3
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking predicates v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking exitfailure v0.5.1
[INFO] [stderr]     Checking grrs_baby v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking serde_json v1.0.47
[INFO] [stderr]     Checking assert_cmd v0.10.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.41s
[INFO] running `Command { std: "docker" "inspect" "aca373c80152d194db622b57cff65b8c17f8be6e0e69b164ff07de6f0c44c81c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aca373c80152d194db622b57cff65b8c17f8be6e0e69b164ff07de6f0c44c81c", kill_on_drop: false }`
[INFO] [stdout] aca373c80152d194db622b57cff65b8c17f8be6e0e69b164ff07de6f0c44c81c