[INFO] fetching crate rustfmt_lib 2.0.0-rc.2...
[INFO] testing rustfmt_lib-2.0.0-rc.2 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate rustfmt_lib 2.0.0-rc.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate rustfmt_lib 2.0.0-rc.2 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustfmt_lib 2.0.0-rc.2
[INFO] finished tweaking crates.io crate rustfmt_lib 2.0.0-rc.2
[INFO] tweaked toml for crates.io crate rustfmt_lib 2.0.0-rc.2 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0054e29faaced716d868441d6902aacb8a18b9322292be0f2abbee93994dd86
[INFO] running `Command { std: "docker" "start" "-a" "d0054e29faaced716d868441d6902aacb8a18b9322292be0f2abbee93994dd86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0054e29faaced716d868441d6902aacb8a18b9322292be0f2abbee93994dd86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0054e29faaced716d868441d6902aacb8a18b9322292be0f2abbee93994dd86", kill_on_drop: false }`
[INFO] [stdout] d0054e29faaced716d868441d6902aacb8a18b9322292be0f2abbee93994dd86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55e8561df510bdf27c2c14c5d4c2098c51dabf1e1509536e1b156371b647a3d4
[INFO] running `Command { std: "docker" "start" "-a" "55e8561df510bdf27c2c14c5d4c2098c51dabf1e1509536e1b156371b647a3d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling rustc-ap-graphviz v659.0.0
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling rustc-ap-rustc_ast v659.0.0
[INFO] [stderr]    Compiling rustc-ap-rustc_target v659.0.0
[INFO] [stderr]    Compiling annotate-snippets v0.6.1
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling rustc-ap-rustc_fs_util v659.0.0
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling rustc-ap-rustc_attr v659.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling yansi-term v0.1.2
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling bytecount v0.6.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lock_api-0.3.4/src/lib.rs:91:42
[INFO] [stdout]    |
[INFO] [stdout] 91 | #![cfg_attr(feature = "nightly", feature(const_fn))]
[INFO] [stdout]    |                                          ^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lock_api`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "55e8561df510bdf27c2c14c5d4c2098c51dabf1e1509536e1b156371b647a3d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55e8561df510bdf27c2c14c5d4c2098c51dabf1e1509536e1b156371b647a3d4", kill_on_drop: false }`
[INFO] [stdout] 55e8561df510bdf27c2c14c5d4c2098c51dabf1e1509536e1b156371b647a3d4