[INFO] fetching crate error2 0.5.0...
[INFO] checking error2-0.5.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate error2 0.5.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate error2 0.5.0
[INFO] finished tweaking crates.io crate error2 0.5.0
[INFO] tweaked toml for crates.io crate error2 0.5.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate error2 0.5.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate error2 0.5.0 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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 from-attr-macro v0.1.3
[INFO] [stderr]   Downloaded quote-use v0.8.4
[INFO] [stderr]   Downloaded error2-derive v0.5.0
[INFO] [stderr]   Downloaded from-attr-core v0.1.3
[INFO] [stderr]   Downloaded quote-use-macros v0.8.4
[INFO] [stderr]   Downloaded from-attr v0.1.3
[INFO] [stderr]   Downloaded proc-macro-utils v0.10.0
[INFO] [stderr]   Downloaded sdd v3.0.8
[INFO] [stderr]   Downloaded append-only-vec v0.1.7
[INFO] [stderr]   Downloaded scc v2.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0dcf87d885bbac0c6c759182f03f8afdad7ac1ad30667d51f43665b24d7402d
[INFO] running `Command { std: "docker" "start" "-a" "f0dcf87d885bbac0c6c759182f03f8afdad7ac1ad30667d51f43665b24d7402d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0dcf87d885bbac0c6c759182f03f8afdad7ac1ad30667d51f43665b24d7402d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0dcf87d885bbac0c6c759182f03f8afdad7ac1ad30667d51f43665b24d7402d", kill_on_drop: false }`
[INFO] [stdout] f0dcf87d885bbac0c6c759182f03f8afdad7ac1ad30667d51f43665b24d7402d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a35400a243236749d74a898352ebdc8e81aa774777b832ee3015ea46513a06f7
[INFO] running `Command { std: "docker" "start" "-a" "a35400a243236749d74a898352ebdc8e81aa774777b832ee3015ea46513a06f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallvec v1.15.0
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]     Checking sdd v3.0.8
[INFO] [stderr]     Checking append-only-vec v0.1.7
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling proc-macro-utils v0.10.0
[INFO] [stderr]     Checking scc v2.3.3
[INFO] [stderr]    Compiling from-attr-core v0.1.3
[INFO] [stderr]    Compiling quote-use-macros v0.8.4
[INFO] [stderr]    Compiling quote-use v0.8.4
[INFO] [stderr]    Compiling from-attr-macro v0.1.3
[INFO] [stderr]    Compiling from-attr v0.1.3
[INFO] [stderr]    Compiling error2-derive v0.5.0
[INFO] [stderr]     Checking error2 v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.89s
[INFO] running `Command { std: "docker" "inspect" "a35400a243236749d74a898352ebdc8e81aa774777b832ee3015ea46513a06f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a35400a243236749d74a898352ebdc8e81aa774777b832ee3015ea46513a06f7", kill_on_drop: false }`
[INFO] [stdout] a35400a243236749d74a898352ebdc8e81aa774777b832ee3015ea46513a06f7