[INFO] fetching crate tokamak 0.1.0...
[INFO] checking tokamak-0.1.0 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] extracting crate tokamak 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate tokamak 0.1.0 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 crates.io crate tokamak 0.1.0
[INFO] finished tweaking crates.io crate tokamak 0.1.0
[INFO] tweaked toml for crates.io crate tokamak 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 5b0c428aa5dbffe24f80548d4c2396188caf774d443a084082c535ef63120967
[INFO] running `Command { std: "docker" "start" "-a" "5b0c428aa5dbffe24f80548d4c2396188caf774d443a084082c535ef63120967", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b0c428aa5dbffe24f80548d4c2396188caf774d443a084082c535ef63120967", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b0c428aa5dbffe24f80548d4c2396188caf774d443a084082c535ef63120967", kill_on_drop: false }`
[INFO] [stdout] 5b0c428aa5dbffe24f80548d4c2396188caf774d443a084082c535ef63120967
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] d14bb44be1bbb132abd9d5879816889539ef2c9a4518a9b7eb18a2ea9fd3782a
[INFO] running `Command { std: "docker" "start" "-a" "d14bb44be1bbb132abd9d5879816889539ef2c9a4518a9b7eb18a2ea9fd3782a", kill_on_drop: false }`
[INFO] [stderr]     Checking tokamak v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "d14bb44be1bbb132abd9d5879816889539ef2c9a4518a9b7eb18a2ea9fd3782a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d14bb44be1bbb132abd9d5879816889539ef2c9a4518a9b7eb18a2ea9fd3782a", kill_on_drop: false }`
[INFO] [stdout] d14bb44be1bbb132abd9d5879816889539ef2c9a4518a9b7eb18a2ea9fd3782a