[INFO] fetching crate cascade-error 0.1.3...
[INFO] checking cascade-error-0.1.3 against master#01706e1a34c87656fcbfce198608f4cd2ac6461a for pr-135272
[INFO] extracting crate cascade-error 0.1.3 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate cascade-error 0.1.3 on toolchain 01706e1a34c87656fcbfce198608f4cd2ac6461a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+01706e1a34c87656fcbfce198608f4cd2ac6461a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cascade-error 0.1.3
[INFO] finished tweaking crates.io crate cascade-error 0.1.3
[INFO] tweaked toml for crates.io crate cascade-error 0.1.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+01706e1a34c87656fcbfce198608f4cd2ac6461a" "generate-lockfile" "--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]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+01706e1a34c87656fcbfce198608f4cd2ac6461a" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded opt_struct v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+01706e1a34c87656fcbfce198608f4cd2ac6461a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d9e7ec9d9d3879be07fcc51cd38be60c4fad33ca0cdc7cde88500bb36cd999d9
[INFO] running `Command { std: "docker" "start" "-a" "d9e7ec9d9d3879be07fcc51cd38be60c4fad33ca0cdc7cde88500bb36cd999d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9e7ec9d9d3879be07fcc51cd38be60c4fad33ca0cdc7cde88500bb36cd999d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9e7ec9d9d3879be07fcc51cd38be60c4fad33ca0cdc7cde88500bb36cd999d9", kill_on_drop: false }`
[INFO] [stdout] d9e7ec9d9d3879be07fcc51cd38be60c4fad33ca0cdc7cde88500bb36cd999d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+01706e1a34c87656fcbfce198608f4cd2ac6461a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b6aa0ff46ad341c77c9d318a2f808158ca6194af90ec82143bc01e734b6b5d7
[INFO] running `Command { std: "docker" "start" "-a" "1b6aa0ff46ad341c77c9d318a2f808158ca6194af90ec82143bc01e734b6b5d7", kill_on_drop: false }`
[INFO] [stderr]     Checking opt_struct v0.1.3
[INFO] [stderr]     Checking cascade-error v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "1b6aa0ff46ad341c77c9d318a2f808158ca6194af90ec82143bc01e734b6b5d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b6aa0ff46ad341c77c9d318a2f808158ca6194af90ec82143bc01e734b6b5d7", kill_on_drop: false }`
[INFO] [stdout] 1b6aa0ff46ad341c77c9d318a2f808158ca6194af90ec82143bc01e734b6b5d7