[INFO] fetching crate snafu-derive 0.8.9...
[INFO] building snafu-derive-0.8.9 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate snafu-derive 0.8.9 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate snafu-derive 0.8.9
[INFO] finished tweaking crates.io crate snafu-derive 0.8.9
[INFO] tweaked toml for crates.io crate snafu-derive 0.8.9 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate snafu-derive 0.8.9 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate snafu-derive 0.8.9 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v2.0.56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12bf9bdfc6b9807ac50519272009c26e34e2cbd331e434b6cc96370ce3513f48
[INFO] running `Command { std: "docker" "start" "-a" "12bf9bdfc6b9807ac50519272009c26e34e2cbd331e434b6cc96370ce3513f48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12bf9bdfc6b9807ac50519272009c26e34e2cbd331e434b6cc96370ce3513f48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12bf9bdfc6b9807ac50519272009c26e34e2cbd331e434b6cc96370ce3513f48", kill_on_drop: false }`
[INFO] [stdout] 12bf9bdfc6b9807ac50519272009c26e34e2cbd331e434b6cc96370ce3513f48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69048f5379d47c72671d1c9e99e88214004feec2259a1af8c951260ad35abd67
[INFO] running `Command { std: "docker" "start" "-a" "69048f5379d47c72671d1c9e99e88214004feec2259a1af8c951260ad35abd67", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.56
[INFO] [stderr]    Compiling snafu-derive v0.8.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.14s
[INFO] running `Command { std: "docker" "inspect" "69048f5379d47c72671d1c9e99e88214004feec2259a1af8c951260ad35abd67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69048f5379d47c72671d1c9e99e88214004feec2259a1af8c951260ad35abd67", kill_on_drop: false }`
[INFO] [stdout] 69048f5379d47c72671d1c9e99e88214004feec2259a1af8c951260ad35abd67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79cc8f208bfa5a03e291c8e7d48e54edbdf735cb90b3cc1123f36fbf0db31666
[INFO] running `Command { std: "docker" "start" "-a" "79cc8f208bfa5a03e291c8e7d48e54edbdf735cb90b3cc1123f36fbf0db31666", kill_on_drop: false }`
[INFO] [stderr]    Compiling snafu-derive v0.8.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.57s
[INFO] running `Command { std: "docker" "inspect" "79cc8f208bfa5a03e291c8e7d48e54edbdf735cb90b3cc1123f36fbf0db31666", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79cc8f208bfa5a03e291c8e7d48e54edbdf735cb90b3cc1123f36fbf0db31666", kill_on_drop: false }`
[INFO] [stdout] 79cc8f208bfa5a03e291c8e7d48e54edbdf735cb90b3cc1123f36fbf0db31666