[INFO] fetching crate culpa 1.0.2...
[INFO] checking culpa-1.0.2 against master#f167efad2f51088d86180ee89177b3d7c9e7c2f5 for pr-129543
[INFO] extracting crate culpa 1.0.2 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate culpa 1.0.2 on toolchain f167efad2f51088d86180ee89177b3d7c9e7c2f5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate culpa 1.0.2
[INFO] finished tweaking crates.io crate culpa 1.0.2
[INFO] tweaked toml for crates.io crate culpa 1.0.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate culpa 1.0.2 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" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded culpa-macros v1.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5def017a35e41cb3d4e83f6c9f828f4a1a982ea9d594bedcb94ff3a0165ecd85
[INFO] running `Command { std: "docker" "start" "-a" "5def017a35e41cb3d4e83f6c9f828f4a1a982ea9d594bedcb94ff3a0165ecd85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5def017a35e41cb3d4e83f6c9f828f4a1a982ea9d594bedcb94ff3a0165ecd85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5def017a35e41cb3d4e83f6c9f828f4a1a982ea9d594bedcb94ff3a0165ecd85", kill_on_drop: false }`
[INFO] [stdout] 5def017a35e41cb3d4e83f6c9f828f4a1a982ea9d594bedcb94ff3a0165ecd85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7749b50ffd87a687da5ea5b3ae9e77616d0ea3266c0e73339d05153fc830142
[INFO] running `Command { std: "docker" "start" "-a" "a7749b50ffd87a687da5ea5b3ae9e77616d0ea3266c0e73339d05153fc830142", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling syn v2.0.22
[INFO] [stderr]    Compiling culpa-macros v1.0.2
[INFO] [stderr]     Checking culpa v1.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Example` is never used
[INFO] [stdout]    --> tests/try.rs:144:7
[INFO] [stdout]     |
[INFO] [stdout] 144 | trait Example {
[INFO] [stdout]     |       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Example` is never used
[INFO] [stdout]    --> tests/throws.rs:147:7
[INFO] [stdout]     |
[INFO] [stdout] 147 | trait Example {
[INFO] [stdout]     |       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.07s
[INFO] running `Command { std: "docker" "inspect" "a7749b50ffd87a687da5ea5b3ae9e77616d0ea3266c0e73339d05153fc830142", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7749b50ffd87a687da5ea5b3ae9e77616d0ea3266c0e73339d05153fc830142", kill_on_drop: false }`
[INFO] [stdout] a7749b50ffd87a687da5ea5b3ae9e77616d0ea3266c0e73339d05153fc830142