[INFO] fetching crate gc-arena 0.5.3...
[INFO] checking gc-arena-0.5.3 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate gc-arena 0.5.3 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate gc-arena 0.5.3 on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gc-arena 0.5.3
[INFO] finished tweaking crates.io crate gc-arena 0.5.3
[INFO] tweaked toml for crates.io crate gc-arena 0.5.3 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate gc-arena 0.5.3 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" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded toml_datetime v0.6.5
[INFO] [stderr]   Downloaded toml v0.8.12
[INFO] [stderr]   Downloaded equivalent v1.0.1
[INFO] [stderr]   Downloaded gc-arena-derive v0.5.3
[INFO] [stderr]   Downloaded termcolor v1.4.1
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.17
[INFO] [stderr]   Downloaded rand_chacha v0.3.1
[INFO] [stderr]   Downloaded synstructure v0.13.1
[INFO] [stderr]   Downloaded sptr v0.3.2
[INFO] [stderr]   Downloaded rand_core v0.6.4
[INFO] [stderr]   Downloaded trybuild v1.0.96
[INFO] [stderr]   Downloaded proc-macro2 v1.0.82
[INFO] [stderr]   Downloaded rand v0.8.5
[INFO] [stderr]   Downloaded serde_json v1.0.117
[INFO] [stderr]   Downloaded allocator-api2 v0.2.18
[INFO] [stderr]   Downloaded libc v0.2.154
[INFO] [stderr]   Downloaded hashbrown v0.14.5
[INFO] [stderr]   Downloaded indexmap v2.2.6
[INFO] [stderr]   Downloaded syn v2.0.63
[INFO] [stderr]   Downloaded serde_derive v1.0.201
[INFO] [stderr]   Downloaded serde v1.0.201
[INFO] [stderr]   Downloaded winnow v0.6.8
[INFO] [stderr]   Downloaded toml_edit v0.22.12
[INFO] [stderr]   Downloaded winapi-util v0.1.8
[INFO] [stderr]   Downloaded serde_spanned v0.6.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 434709f6b8fefee5445c455a98d4805ccc092f4abe9ad53fd10e05c13c5f2065
[INFO] running `Command { std: "docker" "start" "-a" "434709f6b8fefee5445c455a98d4805ccc092f4abe9ad53fd10e05c13c5f2065", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "434709f6b8fefee5445c455a98d4805ccc092f4abe9ad53fd10e05c13c5f2065", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "434709f6b8fefee5445c455a98d4805ccc092f4abe9ad53fd10e05c13c5f2065", kill_on_drop: false }`
[INFO] [stdout] 434709f6b8fefee5445c455a98d4805ccc092f4abe9ad53fd10e05c13c5f2065
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1157c9270c4a6efa730358dcd3aa7d9c56263b5f55a010d2b81ec82097892a9
[INFO] running `Command { std: "docker" "start" "-a" "b1157c9270c4a6efa730358dcd3aa7d9c56263b5f55a010d2b81ec82097892a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.82
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling serde v1.0.201
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]    Compiling serde_json v1.0.117
[INFO] [stderr]     Checking winnow v0.6.8
[INFO] [stderr]    Compiling trybuild v1.0.96
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking sptr v0.3.2
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking indexmap v2.2.6
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]    Compiling syn v2.0.63
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking serde_spanned v0.6.5
[INFO] [stderr]     Checking toml_datetime v0.6.5
[INFO] [stderr]     Checking toml_edit v0.22.12
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling serde_derive v1.0.201
[INFO] [stderr]    Compiling gc-arena-derive v0.5.3
[INFO] [stderr]     Checking gc-arena v0.5.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking toml v0.8.12
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.66s
[INFO] running `Command { std: "docker" "inspect" "b1157c9270c4a6efa730358dcd3aa7d9c56263b5f55a010d2b81ec82097892a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1157c9270c4a6efa730358dcd3aa7d9c56263b5f55a010d2b81ec82097892a9", kill_on_drop: false }`
[INFO] [stdout] b1157c9270c4a6efa730358dcd3aa7d9c56263b5f55a010d2b81ec82097892a9