[INFO] cloning repository https://github.com/debuti/prealloc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/debuti/prealloc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdebuti%2Fprealloc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdebuti%2Fprealloc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9c44d309c303bff608849b2c501219f0a11cd6d9
[INFO] checking debuti/prealloc/9c44d309c303bff608849b2c501219f0a11cd6d9 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdebuti%2Fprealloc" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/debuti/prealloc
[INFO] finished tweaking git repo https://github.com/debuti/prealloc
[INFO] tweaked toml for git repo https://github.com/debuti/prealloc written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/debuti/prealloc on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/debuti/prealloc 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] [stderr]       Adding prealloc_impl v0.1.0
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prealloc_impl v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 909927d355345c774f4c14b01d7b4bed7d73e886f0c45aa786729c4aa0f35688
[INFO] running `Command { std: "docker" "start" "-a" "909927d355345c774f4c14b01d7b4bed7d73e886f0c45aa786729c4aa0f35688", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "909927d355345c774f4c14b01d7b4bed7d73e886f0c45aa786729c4aa0f35688", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "909927d355345c774f4c14b01d7b4bed7d73e886f0c45aa786729c4aa0f35688", kill_on_drop: false }`
[INFO] [stdout] 909927d355345c774f4c14b01d7b4bed7d73e886f0c45aa786729c4aa0f35688
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94e735e0caafd9ea66826db7ce83a2f8d25661637523fcb345f68be06d1987ca
[INFO] running `Command { std: "docker" "start" "-a" "94e735e0caafd9ea66826db7ce83a2f8d25661637523fcb345f68be06d1987ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]    Compiling serde_json v1.0.122
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]    Compiling serde_derive v1.0.204
[INFO] [stderr]     Checking prealloc_impl v0.1.0 (/opt/rustwide/workdir/prealloc_impl)
[INFO] [stderr]    Compiling prealloc_impl v0.1.0
[INFO] [stderr]     Checking prealloc v0.1.0 (/opt/rustwide/workdir/prealloc)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.91s
[INFO] running `Command { std: "docker" "inspect" "94e735e0caafd9ea66826db7ce83a2f8d25661637523fcb345f68be06d1987ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94e735e0caafd9ea66826db7ce83a2f8d25661637523fcb345f68be06d1987ca", kill_on_drop: false }`
[INFO] [stdout] 94e735e0caafd9ea66826db7ce83a2f8d25661637523fcb345f68be06d1987ca