[INFO] fetching crate papyrus 0.17.2...
[INFO] checking papyrus-0.17.2 against try#e0f03aec47b100bc29555561bd62a99d1bc6aca5 for pr-86231
[INFO] extracting crate papyrus 0.17.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate papyrus 0.17.2 on toolchain e0f03aec47b100bc29555561bd62a99d1bc6aca5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate papyrus 0.17.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate papyrus 0.17.2
[INFO] tweaked toml for crates.io crate papyrus 0.17.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate papyrus 0.17.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "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 stacker v0.1.12
[INFO] [stderr]   Downloaded rustc-rayon-core v0.3.0
[INFO] [stderr]   Downloaded cmdtree v0.10.1
[INFO] [stderr]   Downloaded rustc-ap-rustc_errors v697.0.0
[INFO] [stderr]   Downloaded term_cursor v0.2.1
[INFO] [stderr]   Downloaded rustc-ap-rustc_span v697.0.0
[INFO] [stderr]   Downloaded rustc-rayon v0.3.0
[INFO] [stderr]   Downloaded racer-interner v0.1.0
[INFO] [stderr]   Downloaded racer-cargo-metadata v0.1.1
[INFO] [stderr]   Downloaded rustc-ap-rustc_feature v697.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_arena v697.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_serialize v697.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_fs_util v697.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_session v697.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_parse v697.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_data_structures v697.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_index v697.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_macros v697.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_graphviz v697.0.0
[INFO] [stderr]   Downloaded rls-span v0.5.2
[INFO] [stderr]   Downloaded psm v0.1.12
[INFO] [stderr]   Downloaded racer v2.1.42
[INFO] [stderr]   Downloaded kserd v0.4.2
[INFO] [stderr]   Downloaded rustc-ap-rustc_target v697.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_lexer v697.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_ast_pretty v697.0.0
[INFO] [stderr]   Downloaded base91 v0.0.1
[INFO] [stderr]   Downloaded rustc-ap-rustc_lint_defs v697.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_ast v697.0.0
[INFO] [stderr]   Downloaded measureme v9.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba2542c65b0c784652547ea90bcd4c3e50b8ee0cc7f1fed3ef3389e895c7bf03
[INFO] running `Command { std: "docker" "start" "-a" "ba2542c65b0c784652547ea90bcd4c3e50b8ee0cc7f1fed3ef3389e895c7bf03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba2542c65b0c784652547ea90bcd4c3e50b8ee0cc7f1fed3ef3389e895c7bf03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba2542c65b0c784652547ea90bcd4c3e50b8ee0cc7f1fed3ef3389e895c7bf03", kill_on_drop: false }`
[INFO] [stdout] ba2542c65b0c784652547ea90bcd4c3e50b8ee0cc7f1fed3ef3389e895c7bf03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 604d4bf90502124879618e6c3fe4d594b10ec8d0ea241979f1d18e07624706f7
[INFO] running `Command { std: "docker" "start" "-a" "604d4bf90502124879618e6c3fe4d594b10ec8d0ea241979f1d18e07624706f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling rustc-rayon-core v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking pin-project-lite v0.2.1
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]     Checking rustc-ap-rustc_graphviz v697.0.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking annotate-snippets v0.8.0
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]     Checking rustc-ap-rustc_fs_util v697.0.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking humantime v2.0.1
[INFO] [stderr]     Checking base91 v0.0.1
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling psm v0.1.12
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling stacker v0.1.12
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking rustc-ap-rustc_lexer v697.0.0
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lock_api-0.4.2/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]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]     Checking thread_local v1.1.0
[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]     Checking getopts v0.2.21
[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" "604d4bf90502124879618e6c3fe4d594b10ec8d0ea241979f1d18e07624706f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "604d4bf90502124879618e6c3fe4d594b10ec8d0ea241979f1d18e07624706f7", kill_on_drop: false }`
[INFO] [stdout] 604d4bf90502124879618e6c3fe4d594b10ec8d0ea241979f1d18e07624706f7