[INFO] fetching crate snafu 0.7.0-beta.2...
[INFO] testing snafu-0.7.0-beta.2 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate snafu 0.7.0-beta.2 into /workspace/builds/worker-101/source
[INFO] validating manifest of crates.io crate snafu 0.7.0-beta.2 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate snafu 0.7.0-beta.2
[INFO] finished tweaking crates.io crate snafu 0.7.0-beta.2
[INFO] tweaked toml for crates.io crate snafu 0.7.0-beta.2 written to /workspace/builds/worker-101/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be971c9fa9c27847e9ddd6e26079717a9381f21462a167b5260508590138bb9e
[INFO] running `Command { std: "docker" "start" "-a" "be971c9fa9c27847e9ddd6e26079717a9381f21462a167b5260508590138bb9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be971c9fa9c27847e9ddd6e26079717a9381f21462a167b5260508590138bb9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be971c9fa9c27847e9ddd6e26079717a9381f21462a167b5260508590138bb9e", kill_on_drop: false }`
[INFO] [stdout] be971c9fa9c27847e9ddd6e26079717a9381f21462a167b5260508590138bb9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85e4db6fb8b09b3256abbee4d958b5aeac955604bc6177f3238d9f25eb392a76
[INFO] running `Command { std: "docker" "start" "-a" "85e4db6fb8b09b3256abbee4d958b5aeac955604bc6177f3238d9f25eb392a76", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling snafu-derive v0.7.0-beta.2
[INFO] [stderr]    Compiling snafu v0.7.0-beta.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.37s
[INFO] running `Command { std: "docker" "inspect" "85e4db6fb8b09b3256abbee4d958b5aeac955604bc6177f3238d9f25eb392a76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85e4db6fb8b09b3256abbee4d958b5aeac955604bc6177f3238d9f25eb392a76", kill_on_drop: false }`
[INFO] [stdout] 85e4db6fb8b09b3256abbee4d958b5aeac955604bc6177f3238d9f25eb392a76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eaa0de494151a838856770752c8f4f56117628881ec95cb6c778fd6d540ce355
[INFO] running `Command { std: "docker" "start" "-a" "eaa0de494151a838856770752c8f4f56117628881ec95cb6c778fd6d540ce355", kill_on_drop: false }`
[INFO] [stderr]    Compiling snafu v0.7.0-beta.2 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `snafu`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name structs --edition=2018 tests/structs/main.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --cfg 'feature="default"' --cfg 'feature="rust_1_46"' --cfg 'feature="std"' -C metadata=f7d84a59266acc43 -C extra-filename=-f7d84a59266acc43 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern doc_comment=/opt/rustwide/target/debug/deps/libdoc_comment-547114905a4d2f08.rlib --extern snafu=/opt/rustwide/target/debug/deps/libsnafu-b639dce4b2143b1b.rlib --extern snafu_derive=/opt/rustwide/target/debug/deps/libsnafu_derive-0af69a3668d9f75e.so --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "eaa0de494151a838856770752c8f4f56117628881ec95cb6c778fd6d540ce355", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eaa0de494151a838856770752c8f4f56117628881ec95cb6c778fd6d540ce355", kill_on_drop: false }`
[INFO] [stdout] eaa0de494151a838856770752c8f4f56117628881ec95cb6c778fd6d540ce355