[INFO] cloning repository https://github.com/dtwood/rust-allocator-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dtwood/rust-allocator-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdtwood%2Frust-allocator-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdtwood%2Frust-allocator-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0a1c8be0c9f1750af732456b12ef71370d28850a
[INFO] checking dtwood/rust-allocator-demo against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdtwood%2Frust-allocator-demo" "/workspace/builds/worker-84/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-84/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dtwood/rust-allocator-demo on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dtwood/rust-allocator-demo
[INFO] finished tweaking git repo https://github.com/dtwood/rust-allocator-demo
[INFO] tweaked toml for git repo https://github.com/dtwood/rust-allocator-demo written to /workspace/builds/worker-84/source/Cargo.toml
[INFO] crate git repo https://github.com/dtwood/rust-allocator-demo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", 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]  Downloading crates ...
[INFO] [stderr]   Downloaded spinning_top v0.2.4
[INFO] [stderr]   Downloaded linked_list_allocator v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a7df0dfd5b43abc43f6fae08a0d14eaef121e7b1cca188cb98b754ce32ad759
[INFO] running `Command { std: "docker" "start" "-a" "4a7df0dfd5b43abc43f6fae08a0d14eaef121e7b1cca188cb98b754ce32ad759", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a7df0dfd5b43abc43f6fae08a0d14eaef121e7b1cca188cb98b754ce32ad759", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a7df0dfd5b43abc43f6fae08a0d14eaef121e7b1cca188cb98b754ce32ad759", kill_on_drop: false }`
[INFO] [stdout] 4a7df0dfd5b43abc43f6fae08a0d14eaef121e7b1cca188cb98b754ce32ad759
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ac20f1d4bf6c17e1b1b7d1d505e1b13181e6c5698d89b621c8c3e7b10ab34ff
[INFO] running `Command { std: "docker" "start" "-a" "6ac20f1d4bf6c17e1b1b7d1d505e1b13181e6c5698d89b621c8c3e7b10ab34ff", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking spinning_top v0.2.4
[INFO] [stderr]     Checking linked_list_allocator v0.9.0
[INFO] [stderr]     Checking allocator-demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.36s
[INFO] running `Command { std: "docker" "inspect" "6ac20f1d4bf6c17e1b1b7d1d505e1b13181e6c5698d89b621c8c3e7b10ab34ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ac20f1d4bf6c17e1b1b7d1d505e1b13181e6c5698d89b621c8c3e7b10ab34ff", kill_on_drop: false }`
[INFO] [stdout] 6ac20f1d4bf6c17e1b1b7d1d505e1b13181e6c5698d89b621c8c3e7b10ab34ff