[INFO] fetching crate rustfmt_fn 0.1.0...
[INFO] checking rustfmt_fn-0.1.0 against master#de32266a1780aa4ef748ce7f6200a1554fad0aca for pr-75585
[INFO] extracting crate rustfmt_fn 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate rustfmt_fn 0.1.0 on toolchain de32266a1780aa4ef748ce7f6200a1554fad0aca
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustfmt_fn 0.1.0
[INFO] finished tweaking crates.io crate rustfmt_fn 0.1.0
[INFO] tweaked toml for crates.io crate rustfmt_fn 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d8a5bcc0662d09a0f7f2b17eac75fcf99423d896c1d29cba24d84a4dec087c2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7d8a5bcc0662d09a0f7f2b17eac75fcf99423d896c1d29cba24d84a4dec087c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d8a5bcc0662d09a0f7f2b17eac75fcf99423d896c1d29cba24d84a4dec087c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d8a5bcc0662d09a0f7f2b17eac75fcf99423d896c1d29cba24d84a4dec087c2", kill_on_drop: false }`
[INFO] [stdout] 7d8a5bcc0662d09a0f7f2b17eac75fcf99423d896c1d29cba24d84a4dec087c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a39487cfb02213e0beb696c6a5ea39507c2d1771bb0dcd3380dda667fbef373d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a39487cfb02213e0beb696c6a5ea39507c2d1771bb0dcd3380dda667fbef373d", 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]    Compiling rustc-rayon-core v0.3.0
[INFO] [stderr]     Checking instant v0.1.6
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking rustc-ap-rustc_graphviz v669.0.0
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]    Compiling rustc-ap-rustc_ast v669.0.0
[INFO] [stderr]    Compiling rustc-ap-rustc_target v669.0.0
[INFO] [stderr]     Checking annotate-snippets v0.8.0
[INFO] [stderr]     Checking rustc-ap-rustc_fs_util v669.0.0
[INFO] [stderr]    Compiling rustc-ap-rustc_attr v669.0.0
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking version_check v0.9.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling rustfmt-nightly v1.4.19
[INFO] [stderr]     Checking rustc-workspace-hack v1.0.0
[INFO] [stderr]     Checking bytecount v0.6.0
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]     Checking unicode_categories v0.1.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling indexmap v1.5.2
[INFO] [stderr]    Compiling psm v0.1.11
[INFO] [stderr]    Compiling stacker v0.1.11
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking rustc-ap-rustc_lexer v669.0.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking annotate-snippets v0.6.1
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking jobserver v0.1.21
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking termize v0.1.1
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking ena v0.14.0
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]    Compiling rustfmt-config_proc_macro v0.2.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]    Compiling rustc-ap-rustc_macros v669.0.0
[INFO] [stderr]     Checking md-5 v0.8.0
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling structopt-derive v0.4.10
[INFO] [stderr]     Checking rustc-ap-rustc_serialize v669.0.0
[INFO] [stderr]     Checking ignore v0.4.16
[INFO] [stderr]     Checking rustc-rayon v0.3.0
[INFO] [stderr]     Checking rustc-ap-rustc_index v669.0.0
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking structopt v0.3.17
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking cargo_metadata v0.8.2
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking measureme v0.7.1
[INFO] [stderr]     Checking rustc-ap-rustc_data_structures v669.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_arena v669.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_span v669.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_feature v669.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_errors v669.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_ast_pretty v669.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_session v669.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_parse v669.0.0
[INFO] [stdout] error: environment variable `CFG_RELEASE_CHANNEL` not defined
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_attr-669.0.0/builtin.rs:655:27
[INFO] [stdout]     |
[INFO] [stdout] 655 |             let channel = env!("CFG_RELEASE_CHANNEL");
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: environment variable `CFG_RELEASE` not defined
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_attr-669.0.0/builtin.rs:657:48
[INFO] [stdout]     |
[INFO] [stdout] 657 |             let rustc_version = Version::parse(env!("CFG_RELEASE")).unwrap();
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-ap-rustc_attr`.
[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" "a39487cfb02213e0beb696c6a5ea39507c2d1771bb0dcd3380dda667fbef373d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a39487cfb02213e0beb696c6a5ea39507c2d1771bb0dcd3380dda667fbef373d", kill_on_drop: false }`
[INFO] [stdout] a39487cfb02213e0beb696c6a5ea39507c2d1771bb0dcd3380dda667fbef373d