[INFO] fetching crate rustfmt-nightly 1.4.19...
[INFO] checking rustfmt-nightly-1.4.19 against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] extracting crate rustfmt-nightly 1.4.19 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rustfmt-nightly 1.4.19 on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustfmt-nightly 1.4.19
[INFO] finished tweaking crates.io crate rustfmt-nightly 1.4.19
[INFO] tweaked toml for crates.io crate rustfmt-nightly 1.4.19 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate rustfmt-nightly 1.4.19 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 977a08d7e31b6e9b9025ab9e8ca71e6cfb83801932da163cd8e118f06af25b07
[INFO] running `Command { std: "docker" "start" "-a" "977a08d7e31b6e9b9025ab9e8ca71e6cfb83801932da163cd8e118f06af25b07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "977a08d7e31b6e9b9025ab9e8ca71e6cfb83801932da163cd8e118f06af25b07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "977a08d7e31b6e9b9025ab9e8ca71e6cfb83801932da163cd8e118f06af25b07", kill_on_drop: false }`
[INFO] [stdout] 977a08d7e31b6e9b9025ab9e8ca71e6cfb83801932da163cd8e118f06af25b07
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ff12b740571d139e6d4f1e5367d91f16c750d725f8411521e6a4520ee485028
[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" "3ff12b740571d139e6d4f1e5367d91f16c750d725f8411521e6a4520ee485028", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling rustc-rayon-core v0.3.0
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking rustc-ap-rustc_graphviz v669.0.0
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking fake-simd v0.1.2
[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]     Checking version_check v0.9.1
[INFO] [stderr]    Compiling anyhow v1.0.25
[INFO] [stderr]    Compiling rustfmt-nightly v1.4.19 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking diff v0.1.11
[INFO] [stderr]     Checking bytecount v0.6.0
[INFO] [stderr]     Checking rustc-workspace-hack v1.0.0
[INFO] [stderr]     Checking unicode_categories v0.1.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.11
[INFO] [stderr]    Compiling proc-macro-error v0.4.11
[INFO] [stderr]     Checking rustc-ap-rustc_lexer v669.0.0
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking annotate-snippets v0.6.1
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking termize v0.1.1
[INFO] [stderr]     Checking ena v0.14.0
[INFO] [stderr]     Checking jobserver v0.1.17
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking rustc-ap-rustc_serialize v669.0.0
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking globset v0.4.4
[INFO] [stderr]     Checking crossbeam-channel v0.4.0
[INFO] [stderr]    Compiling psm v0.1.8
[INFO] [stderr]    Compiling stacker v0.1.9
[INFO] [stderr]     Checking ignore v0.4.11
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking rustc-ap-rustc_index v669.0.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking md-5 v0.8.0
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]    Compiling synstructure v0.12.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling rustc-ap-rustc_macros v669.0.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.6
[INFO] [stderr]    Compiling rustfmt-config_proc_macro v0.2.0
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]    Compiling structopt-derive v0.4.4
[INFO] [stderr]     Checking thiserror v1.0.6
[INFO] [stderr]     Checking structopt v0.3.11
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking toml v0.5.3
[INFO] [stderr]     Checking cargo_metadata v0.8.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking measureme v0.7.1
[INFO] [stderr]     Checking rustc-rayon v0.3.0
[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_session v669.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_ast_pretty 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" "3ff12b740571d139e6d4f1e5367d91f16c750d725f8411521e6a4520ee485028", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ff12b740571d139e6d4f1e5367d91f16c750d725f8411521e6a4520ee485028", kill_on_drop: false }`
[INFO] [stdout] 3ff12b740571d139e6d4f1e5367d91f16c750d725f8411521e6a4520ee485028
