[INFO] fetching crate cargo-compete 0.8.8...
[INFO] checking cargo-compete-0.8.8 against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] extracting crate cargo-compete 0.8.8 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate cargo-compete 0.8.8 on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-compete 0.8.8
[INFO] finished tweaking crates.io crate cargo-compete 0.8.8
[INFO] tweaked toml for crates.io crate cargo-compete 0.8.8 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate cargo-compete 0.8.8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ee2625451b6102832a2723b42ff6206641d915fb53f5c4fe28738373c9a48ff
[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" "1ee2625451b6102832a2723b42ff6206641d915fb53f5c4fe28738373c9a48ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ee2625451b6102832a2723b42ff6206641d915fb53f5c4fe28738373c9a48ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ee2625451b6102832a2723b42ff6206641d915fb53f5c4fe28738373c9a48ff", kill_on_drop: false }`
[INFO] [stdout] 1ee2625451b6102832a2723b42ff6206641d915fb53f5c4fe28738373c9a48ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93aebf86089d6c94567a868132fa9b09ada6cc861c79289ef249c5c0180b9134
[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" "93aebf86089d6c94567a868132fa9b09ada6cc861c79289ef249c5c0180b9134", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.63
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]     Checking unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling lexical-core v0.7.5
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking number_prefix v0.3.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking ascii v0.9.3
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking if_chain v1.0.1
[INFO] [stderr]     Checking rprompt v1.0.5
[INFO] [stderr]     Checking human-size v0.4.1
[INFO] [stderr]     Checking az v1.1.0
[INFO] [stderr]     Checking similar v1.3.0
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling standback v0.2.15
[INFO] [stderr]    Compiling tokio v1.3.0
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling time v0.2.25
[INFO] [stderr]    Compiling cookie v0.14.4
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking dtoa-short v0.3.3
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking servo_arc v0.1.1
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking cfg-expr v0.7.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking pretty_assertions v0.7.1
[INFO] [stderr]     Checking heck v0.3.2
[INFO] [stderr]     Checking http-body v0.4.0
[INFO] [stderr]     Checking encoding_rs v0.8.28
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking terminal_size v0.1.16
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking rpassword v5.0.1
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking fwdansi v1.1.0
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]     Checking idna v0.2.2
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]    Compiling proc-quote-impl v0.3.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking mio v0.7.9
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking bitvec v0.19.5
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking console v0.14.0
[INFO] [stderr]     Checking sha2 v0.9.3
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]    Compiling selectors v0.22.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]    Compiling libssh2-sys v0.2.21
[INFO] [stderr]    Compiling libgit2-sys v0.12.18+1.1.0
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking indicatif v0.15.0
[INFO] [stderr]     Checking tokio-util v0.6.4
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling proc-quote v0.3.2
[INFO] [stderr]    Compiling darling_core v0.12.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking rustls v0.19.0
[INFO] [stderr]     Checking webpki-roots v0.21.0
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling cssparser v0.27.2
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling cssparser-macros v0.6.0
[INFO] [stderr]    Compiling html5ever v0.25.1
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling liquid-derive v0.22.0
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling strum_macros v0.20.1
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling easy-ext v0.2.6
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking tokio-rustls v0.22.0
[INFO] [stderr]    Compiling darling_macro v0.12.2
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr] error: could not compile `serde_derive`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde_derive /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_derive-1.0.124/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=acb479b70dd94d45 -C extra-filename=-acb479b70dd94d45 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-68d422dfc8864dc7.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-cfc781dd86a6c62d.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-6febf12a2e11a662.rlib --extern proc_macro --cap-lints allow --cap-lints=forbid --cfg underscore_consts` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "93aebf86089d6c94567a868132fa9b09ada6cc861c79289ef249c5c0180b9134", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93aebf86089d6c94567a868132fa9b09ada6cc861c79289ef249c5c0180b9134", kill_on_drop: false }`
[INFO] [stdout] 93aebf86089d6c94567a868132fa9b09ada6cc861c79289ef249c5c0180b9134