[INFO] fetching crate brackets 0.2.2...
[INFO] checking brackets-0.2.2 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate brackets 0.2.2 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate brackets 0.2.2
[INFO] finished tweaking crates.io crate brackets 0.2.2
[INFO] tweaked toml for crates.io crate brackets 0.2.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate brackets 0.2.2 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 33 packages to latest compatible versions
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded brackets-macros v0.2.2
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75bd89548d5a558e15336d755e920e793652923c54539d4e1ac7b6841c028294
[INFO] running `Command { std: "docker" "start" "-a" "75bd89548d5a558e15336d755e920e793652923c54539d4e1ac7b6841c028294", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75bd89548d5a558e15336d755e920e793652923c54539d4e1ac7b6841c028294", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75bd89548d5a558e15336d755e920e793652923c54539d4e1ac7b6841c028294", kill_on_drop: false }`
[INFO] [stdout] 75bd89548d5a558e15336d755e920e793652923c54539d4e1ac7b6841c028294
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce9074cdc69eeb7e06cfb07248c6c628c1b4f29ec1046614ff5e4ba81460b16f
[INFO] running `Command { std: "docker" "start" "-a" "ce9074cdc69eeb7e06cfb07248c6c628c1b4f29ec1046614ff5e4ba81460b16f", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking chrono v0.4.41
[INFO] [stderr]    Compiling brackets-macros v0.2.2
[INFO] [stderr]     Checking brackets v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition: `skip_whitespace`
[INFO] [stdout]  --> src/json.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | macro_rules! skip_whitespace {
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `skip_whitespace`
[INFO] [stdout]  --> src/json.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | macro_rules! skip_whitespace {
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.74s
[INFO] running `Command { std: "docker" "inspect" "ce9074cdc69eeb7e06cfb07248c6c628c1b4f29ec1046614ff5e4ba81460b16f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce9074cdc69eeb7e06cfb07248c6c628c1b4f29ec1046614ff5e4ba81460b16f", kill_on_drop: false }`
[INFO] [stdout] ce9074cdc69eeb7e06cfb07248c6c628c1b4f29ec1046614ff5e4ba81460b16f