[INFO] fetching crate truster 0.4.1...
[INFO] checking truster-0.4.1 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate truster 0.4.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate truster 0.4.1 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate truster 0.4.1
[INFO] finished tweaking crates.io crate truster 0.4.1
[INFO] tweaked toml for crates.io crate truster 0.4.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate truster 0.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b00a6c1310fc23d58b5a6eec2630a7b6d4fb1004ca8963a18f82d5ad91992fef
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b00a6c1310fc23d58b5a6eec2630a7b6d4fb1004ca8963a18f82d5ad91992fef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b00a6c1310fc23d58b5a6eec2630a7b6d4fb1004ca8963a18f82d5ad91992fef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b00a6c1310fc23d58b5a6eec2630a7b6d4fb1004ca8963a18f82d5ad91992fef", kill_on_drop: false }`
[INFO] [stdout] b00a6c1310fc23d58b5a6eec2630a7b6d4fb1004ca8963a18f82d5ad91992fef
[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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4f2a966a58c2d07caee5090e8bf9555200eac5dfc0b791311528175bea8392a2
[INFO] running `Command { std: "docker" "start" "-a" "4f2a966a58c2d07caee5090e8bf9555200eac5dfc0b791311528175bea8392a2", kill_on_drop: false }`
[INFO] [stderr]     Checking truster v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "4f2a966a58c2d07caee5090e8bf9555200eac5dfc0b791311528175bea8392a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f2a966a58c2d07caee5090e8bf9555200eac5dfc0b791311528175bea8392a2", kill_on_drop: false }`
[INFO] [stdout] 4f2a966a58c2d07caee5090e8bf9555200eac5dfc0b791311528175bea8392a2