[INFO] fetching crate error2 0.6.1...
[INFO] checking error2-0.6.1 against master#e22dab387f6b4f6a87dfc54ac2f6013dddb41e68 for pr-136776-1
[INFO] extracting crate error2 0.6.1 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate error2 0.6.1
[INFO] finished tweaking crates.io crate error2 0.6.1
[INFO] tweaked toml for crates.io crate error2 0.6.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate error2 0.6.1 on toolchain e22dab387f6b4f6a87dfc54ac2f6013dddb41e68
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e22dab387f6b4f6a87dfc54ac2f6013dddb41e68" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate error2 0.6.1 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" "+e22dab387f6b4f6a87dfc54ac2f6013dddb41e68" "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 quote-use v0.8.4
[INFO] [stderr]   Downloaded saa v5.3.3
[INFO] [stderr]   Downloaded proc-macro-utils v0.10.0
[INFO] [stderr]   Downloaded append-only-vec v0.1.8
[INFO] [stderr]   Downloaded sdd v4.3.2
[INFO] [stderr]   Downloaded quote-use-macros v0.8.4
[INFO] [stderr]   Downloaded error2-derive v0.6.1
[INFO] [stderr]   Downloaded scc v3.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+e22dab387f6b4f6a87dfc54ac2f6013dddb41e68" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5486187f71ca881d7c511b9cef8918686121715a74dfd4c67d5cff2e6daa1b3
[INFO] running `Command { std: "docker" "start" "-a" "d5486187f71ca881d7c511b9cef8918686121715a74dfd4c67d5cff2e6daa1b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5486187f71ca881d7c511b9cef8918686121715a74dfd4c67d5cff2e6daa1b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5486187f71ca881d7c511b9cef8918686121715a74dfd4c67d5cff2e6daa1b3", kill_on_drop: false }`
[INFO] [stdout] d5486187f71ca881d7c511b9cef8918686121715a74dfd4c67d5cff2e6daa1b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+e22dab387f6b4f6a87dfc54ac2f6013dddb41e68" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca8f7f18d5aff925fabb86031905ba4a93fb074b552443baa39aafb36c558b4f
[INFO] running `Command { std: "docker" "start" "-a" "ca8f7f18d5aff925fabb86031905ba4a93fb074b552443baa39aafb36c558b4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]     Checking sdd v4.3.2
[INFO] [stderr]     Checking saa v5.3.3
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]     Checking append-only-vec v0.1.8
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling proc-macro-utils v0.10.0
[INFO] [stderr]     Checking scc v3.4.2
[INFO] [stderr]    Compiling quote-use-macros v0.8.4
[INFO] [stderr]    Compiling quote-use v0.8.4
[INFO] [stderr]    Compiling error2-derive v0.6.1
[INFO] [stderr]     Checking error2 v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.00s
[INFO] running `Command { std: "docker" "inspect" "ca8f7f18d5aff925fabb86031905ba4a93fb074b552443baa39aafb36c558b4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca8f7f18d5aff925fabb86031905ba4a93fb074b552443baa39aafb36c558b4f", kill_on_drop: false }`
[INFO] [stdout] ca8f7f18d5aff925fabb86031905ba4a93fb074b552443baa39aafb36c558b4f