[INFO] fetching crate rustfmt_lib 2.0.0-rc.2...
[INFO] checking rustfmt_lib-2.0.0-rc.2 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate rustfmt_lib 2.0.0-rc.2 into /workspace/builds/worker-94/source
[INFO] validating manifest of crates.io crate rustfmt_lib 2.0.0-rc.2 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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-94/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded yansi-term v0.1.2
[INFO] [stderr]   Downloaded bytecount v0.6.2
[INFO] [stderr]   Downloaded ignore v0.4.18
[INFO] [stderr]   Downloaded libm v0.1.4
[INFO] [stderr]   Downloaded rustc-rayon v0.3.1
[INFO] [stderr]   Downloaded packed_simd_2 v0.3.6
[INFO] [stderr]   Downloaded dunce v1.0.2
[INFO] [stderr]   Downloaded globset v0.4.8
[INFO] [stderr]   Downloaded psm v0.1.16
[INFO] [stderr]   Downloaded rustc-rayon-core v0.3.1
[INFO] [stderr]   Downloaded stacker v0.1.14
[INFO] [stderr]   Downloaded rustfmt-config_proc_macro v0.5.1
[INFO] [stderr]   Downloaded rustc-ap-rustc_fs_util v659.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_macros v659.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_lexer v659.0.0
[INFO] [stderr]   Downloaded rustc-ap-graphviz v659.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_index v659.0.0
[INFO] [stderr]   Downloaded rustc-ap-arena v659.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_errors v659.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_ast_pretty v659.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_feature v659.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_span v659.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_attr v659.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_ast_passes v659.0.0
[INFO] [stderr]   Downloaded rustc-ap-serialize v659.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_session v659.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_ast v659.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_parse v659.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_target v659.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_data_structures v659.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_expand v659.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62f6fe0ae2fedf7b8c40e65a290f49eff60a898109e2aac4e32e2932e328ea97
[INFO] running `Command { std: "docker" "start" "-a" "62f6fe0ae2fedf7b8c40e65a290f49eff60a898109e2aac4e32e2932e328ea97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62f6fe0ae2fedf7b8c40e65a290f49eff60a898109e2aac4e32e2932e328ea97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62f6fe0ae2fedf7b8c40e65a290f49eff60a898109e2aac4e32e2932e328ea97", kill_on_drop: false }`
[INFO] [stdout] 62f6fe0ae2fedf7b8c40e65a290f49eff60a898109e2aac4e32e2932e328ea97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fef7ea616e9eb9497ffbf0c9d973c6fddd53c06789728acb85bc96e34058fed1
[INFO] running `Command { std: "docker" "start" "-a" "fef7ea616e9eb9497ffbf0c9d973c6fddd53c06789728acb85bc96e34058fed1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]    Compiling rustc-rayon-core v0.3.1
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking rustc-ap-graphviz v659.0.0
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]    Compiling rustc-ap-rustc_ast v659.0.0
[INFO] [stderr]    Compiling rustc-ap-rustc_target v659.0.0
[INFO] [stderr]     Checking annotate-snippets v0.6.1
[INFO] [stderr]     Checking rustc-ap-rustc_fs_util v659.0.0
[INFO] [stderr]    Compiling rustc-ap-rustc_attr v659.0.0
[INFO] [stderr]     Checking version_check v0.9.3
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]     Checking yansi-term v0.1.2
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking unicode-segmentation v1.8.0
[INFO] [stderr]     Checking dunce v1.0.2
[INFO] [stderr]     Checking bytecount v0.6.2
[INFO] [stderr]     Checking unicode_categories v0.1.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling psm v0.1.16
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling stacker v0.1.14
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking jobserver v0.1.24
[INFO] [stderr]     Checking termize v0.1.1
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking crossbeam-utils v0.8.5
[INFO] [stderr]     Checking anyhow v1.0.50
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking ena v0.14.0
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking digest v0.8.1
[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] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking rustc-ap-rustc_lexer v659.0.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking annotate-snippets v0.8.0
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lock_api` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "fef7ea616e9eb9497ffbf0c9d973c6fddd53c06789728acb85bc96e34058fed1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fef7ea616e9eb9497ffbf0c9d973c6fddd53c06789728acb85bc96e34058fed1", kill_on_drop: false }`
[INFO] [stdout] fef7ea616e9eb9497ffbf0c9d973c6fddd53c06789728acb85bc96e34058fed1