[INFO] cloning repository https://github.com/taku-hatano/rust_exercise
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/taku-hatano/rust_exercise" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaku-hatano%2Frust_exercise", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaku-hatano%2Frust_exercise'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 094be9609965549a36b4a175c504adbfe66d8e23
[INFO] checking taku-hatano/rust_exercise against try#54e27f559f23913c1d5afb1a0f0114e9e61b81b8 for pr-147589
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaku-hatano%2Frust_exercise" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/taku-hatano/rust_exercise
[INFO] finished tweaking git repo https://github.com/taku-hatano/rust_exercise
[INFO] tweaked toml for git repo https://github.com/taku-hatano/rust_exercise written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/taku-hatano/rust_exercise on toolchain 54e27f559f23913c1d5afb1a0f0114e9e61b81b8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+54e27f559f23913c1d5afb1a0f0114e9e61b81b8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/taku-hatano/rust_exercise 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" "+54e27f559f23913c1d5afb1a0f0114e9e61b81b8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive_internals v0.28.0
[INFO] [stderr]   Downloaded unindent v0.1.11
[INFO] [stderr]   Downloaded windows-targets v0.48.0
[INFO] [stderr]   Downloaded tsify v0.4.5
[INFO] [stderr]   Downloaded tsify-macros v0.4.5
[INFO] [stderr]   Downloaded pyo3-macros v0.18.3
[INFO] [stderr]   Downloaded strum v0.24.1
[INFO] [stderr]   Downloaded itoa v1.0.6
[INFO] [stderr]   Downloaded memoffset v0.8.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.63
[INFO] [stderr]   Downloaded indoc v1.0.9
[INFO] [stderr]   Downloaded pyo3-ffi v0.18.3
[INFO] [stderr]   Downloaded ryu v1.0.13
[INFO] [stderr]   Downloaded serde_derive v1.0.164
[INFO] [stderr]   Downloaded serde_json v1.0.99
[INFO] [stderr]   Downloaded syn v2.0.22
[INFO] [stderr]   Downloaded serde v1.0.164
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.18.3
[INFO] [stderr]   Downloaded target-lexicon v0.12.8
[INFO] [stderr]   Downloaded pyo3-build-config v0.18.3
[INFO] [stderr]   Downloaded unicode-ident v1.0.9
[INFO] [stderr]   Downloaded rustversion v1.0.12
[INFO] [stderr]   Downloaded strum_macros v0.24.3
[INFO] [stderr]   Downloaded quote v1.0.28
[INFO] [stderr]   Downloaded gloo-utils v0.1.7
[INFO] [stderr]   Downloaded pyo3 v0.18.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+54e27f559f23913c1d5afb1a0f0114e9e61b81b8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7dcc83e500e29c60d0697feed0c30b3a7e667d4a163cfd0e1432628c33bec841
[INFO] running `Command { std: "docker" "start" "-a" "7dcc83e500e29c60d0697feed0c30b3a7e667d4a163cfd0e1432628c33bec841", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7dcc83e500e29c60d0697feed0c30b3a7e667d4a163cfd0e1432628c33bec841", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dcc83e500e29c60d0697feed0c30b3a7e667d4a163cfd0e1432628c33bec841", kill_on_drop: false }`
[INFO] [stdout] 7dcc83e500e29c60d0697feed0c30b3a7e667d4a163cfd0e1432628c33bec841
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+54e27f559f23913c1d5afb1a0f0114e9e61b81b8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29e3481d2ea9fc5aea38c5f672b5b0b13bd6541a1caa05c7f6c5327a19f1cc76
[INFO] running `Command { std: "docker" "start" "-a" "29e3481d2ea9fc5aea38c5f672b5b0b13bd6541a1caa05c7f6c5327a19f1cc76", kill_on_drop: false }`
[INFO] [stderr]     Checking rust_exercise v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "29e3481d2ea9fc5aea38c5f672b5b0b13bd6541a1caa05c7f6c5327a19f1cc76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29e3481d2ea9fc5aea38c5f672b5b0b13bd6541a1caa05c7f6c5327a19f1cc76", kill_on_drop: false }`
[INFO] [stdout] 29e3481d2ea9fc5aea38c5f672b5b0b13bd6541a1caa05c7f6c5327a19f1cc76