[INFO] cloning repository https://github.com/caranatar/rlox-treewalk
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/caranatar/rlox-treewalk" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaranatar%2Frlox-treewalk", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaranatar%2Frlox-treewalk'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4d6717f398ad2f024d7fdde1d6ab0b8078205a17
[INFO] checking caranatar/rlox-treewalk against try#e0f03aec47b100bc29555561bd62a99d1bc6aca5 for pr-86231
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaranatar%2Frlox-treewalk" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/caranatar/rlox-treewalk on toolchain e0f03aec47b100bc29555561bd62a99d1bc6aca5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/caranatar/rlox-treewalk
[INFO] finished tweaking git repo https://github.com/caranatar/rlox-treewalk
[INFO] tweaked toml for git repo https://github.com/caranatar/rlox-treewalk written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/caranatar/rlox-treewalk already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arrayvec v0.5.2
[INFO] [stderr]   Downloaded backtrace v0.3.55
[INFO] [stderr]   Downloaded color-eyre v0.5.10
[INFO] [stderr]   Downloaded tracing v0.1.22
[INFO] [stderr]   Downloaded tracing-attributes v0.1.11
[INFO] [stderr]   Downloaded object v0.22.0
[INFO] [stderr]   Downloaded owo-colors v1.2.1
[INFO] [stderr]   Downloaded pin-project-lite v0.2.0
[INFO] [stderr]   Downloaded addr2line v0.14.0
[INFO] [stderr]   Downloaded eyre v0.6.3
[INFO] [stderr]   Downloaded gimli v0.23.0
[INFO] [stderr]   Downloaded fs2 v0.4.3
[INFO] [stderr]   Downloaded syn v1.0.54
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.15
[INFO] [stderr]   Downloaded dirs v3.0.1
[INFO] [stderr]   Downloaded slurp v1.0.1
[INFO] [stderr]   Downloaded color-spantrace v0.1.6
[INFO] [stderr]   Downloaded nix v0.19.1
[INFO] [stderr]   Downloaded miniz_oxide v0.4.3
[INFO] [stderr]   Downloaded generator v0.6.23
[INFO] [stderr]   Downloaded serde_derive v1.0.118
[INFO] [stderr]   Downloaded rustc-demangle v0.1.18
[INFO] [stderr]   Downloaded indenter v0.3.0
[INFO] [stderr]   Downloaded serde v1.0.118
[INFO] [stderr]   Downloaded loom v0.3.6
[INFO] [stderr]   Downloaded sharded-slab v0.1.0
[INFO] [stderr]   Downloaded tracing-error v0.1.2
[INFO] [stderr]   Downloaded rustyline v7.0.0
[INFO] [stderr]   Downloaded float-cmp v0.8.0
[INFO] [stderr]   Downloaded dirs-sys v0.3.5
[INFO] [stderr]   Downloaded blake2b_simd v0.5.11
[INFO] [stderr]   Downloaded rust-argon2 v0.8.3
[INFO] [stderr]   Downloaded redox_users v0.3.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2cb37053fe8782af4bd53fc739d42fec2c9872f45c1fad183d2ab0b31b713467
[INFO] running `Command { std: "docker" "start" "-a" "2cb37053fe8782af4bd53fc739d42fec2c9872f45c1fad183d2ab0b31b713467", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2cb37053fe8782af4bd53fc739d42fec2c9872f45c1fad183d2ab0b31b713467", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cb37053fe8782af4bd53fc739d42fec2c9872f45c1fad183d2ab0b31b713467", kill_on_drop: false }`
[INFO] [stdout] 2cb37053fe8782af4bd53fc739d42fec2c9872f45c1fad183d2ab0b31b713467
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74946fe54f9f8e7921f0afa35a7b02505fa9aba0deb004725abb7b0cc9c55d27
[INFO] running `Command { std: "docker" "start" "-a" "74946fe54f9f8e7921f0afa35a7b02505fa9aba0deb004725abb7b0cc9c55d27", 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling eyre v0.6.3
[INFO] [stderr]     Checking indenter v0.3.0
[INFO] [stderr]     Checking owo-colors v1.2.1
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking slurp v1.0.1
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking sharded-slab v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]     Checking tracing-subscriber v0.2.15
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking backtrace v0.3.55
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking dirs v3.0.1
[INFO] [stderr]     Checking tracing v0.1.22
[INFO] [stderr]     Checking tracing-error v0.1.2
[INFO] [stderr]     Checking color-spantrace v0.1.6
[INFO] [stderr]     Checking color-eyre v0.5.10
[INFO] [stderr]     Checking rustyline v7.0.0
[INFO] [stderr]     Checking rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.99s
[INFO] running `Command { std: "docker" "inspect" "74946fe54f9f8e7921f0afa35a7b02505fa9aba0deb004725abb7b0cc9c55d27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74946fe54f9f8e7921f0afa35a7b02505fa9aba0deb004725abb7b0cc9c55d27", kill_on_drop: false }`
[INFO] [stdout] 74946fe54f9f8e7921f0afa35a7b02505fa9aba0deb004725abb7b0cc9c55d27