[INFO] fetching crate rtk 0.0.0...
[INFO] checking rtk-0.0.0 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] extracting crate rtk 0.0.0 into /workspace/builds/worker-76/source
[INFO] validating manifest of crates.io crate rtk 0.0.0 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 rtk 0.0.0
[INFO] finished tweaking crates.io crate rtk 0.0.0
[INFO] tweaked toml for crates.io crate rtk 0.0.0 written to /workspace/builds/worker-76/source/Cargo.toml
[INFO] crate crates.io crate rtk 0.0.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] f45e0e17530d5b36ee27c625978f81c09537c46a8db7da5d3a037cc80b0bb2fa
[INFO] running `Command { std: "docker" "start" "-a" "f45e0e17530d5b36ee27c625978f81c09537c46a8db7da5d3a037cc80b0bb2fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f45e0e17530d5b36ee27c625978f81c09537c46a8db7da5d3a037cc80b0bb2fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f45e0e17530d5b36ee27c625978f81c09537c46a8db7da5d3a037cc80b0bb2fa", kill_on_drop: false }`
[INFO] [stdout] f45e0e17530d5b36ee27c625978f81c09537c46a8db7da5d3a037cc80b0bb2fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] 75f3afa9f8ad00b185a3d16fc1e16fcc05af05b8f987091f88fceb7269630068
[INFO] running `Command { std: "docker" "start" "-a" "75f3afa9f8ad00b185a3d16fc1e16fcc05af05b8f987091f88fceb7269630068", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking rtk v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `Command { std: "docker" "inspect" "75f3afa9f8ad00b185a3d16fc1e16fcc05af05b8f987091f88fceb7269630068", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75f3afa9f8ad00b185a3d16fc1e16fcc05af05b8f987091f88fceb7269630068", kill_on_drop: false }`
[INFO] [stdout] 75f3afa9f8ad00b185a3d16fc1e16fcc05af05b8f987091f88fceb7269630068