[INFO] fetching crate panicking 0.4.0...
[INFO] checking panicking-0.4.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate panicking 0.4.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate panicking 0.4.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate panicking 0.4.0
[INFO] finished tweaking crates.io crate panicking 0.4.0
[INFO] tweaked toml for crates.io crate panicking 0.4.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c55c5fff150e6e6b5852abfcc399d4f9bcc8a12b2beac4d80b8b68d97344ce04
[INFO] running `Command { std: "docker" "start" "-a" "c55c5fff150e6e6b5852abfcc399d4f9bcc8a12b2beac4d80b8b68d97344ce04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c55c5fff150e6e6b5852abfcc399d4f9bcc8a12b2beac4d80b8b68d97344ce04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c55c5fff150e6e6b5852abfcc399d4f9bcc8a12b2beac4d80b8b68d97344ce04", kill_on_drop: false }`
[INFO] [stdout] c55c5fff150e6e6b5852abfcc399d4f9bcc8a12b2beac4d80b8b68d97344ce04
[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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 614e586aef855bca6ce3db7f198f5ef56d3210fe5b12b5f2e1f1ba8fcad3bcdf
[INFO] running `Command { std: "docker" "start" "-a" "614e586aef855bca6ce3db7f198f5ef56d3210fe5b12b5f2e1f1ba8fcad3bcdf", kill_on_drop: false }`
[INFO] [stderr]     Checking panicking v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "614e586aef855bca6ce3db7f198f5ef56d3210fe5b12b5f2e1f1ba8fcad3bcdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "614e586aef855bca6ce3db7f198f5ef56d3210fe5b12b5f2e1f1ba8fcad3bcdf", kill_on_drop: false }`
[INFO] [stdout] 614e586aef855bca6ce3db7f198f5ef56d3210fe5b12b5f2e1f1ba8fcad3bcdf