[INFO] fetching crate cpo_analyzer 0.1.0...
[INFO] checking cpo_analyzer-0.1.0 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] extracting crate cpo_analyzer 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate cpo_analyzer 0.1.0 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cpo_analyzer 0.1.0
[INFO] finished tweaking crates.io crate cpo_analyzer 0.1.0
[INFO] tweaked toml for crates.io crate cpo_analyzer 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate cpo_analyzer 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 03a785613169e22b95d164b83b454fc2df40bf41b3061860fea9fce48c18927f
[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" "03a785613169e22b95d164b83b454fc2df40bf41b3061860fea9fce48c18927f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03a785613169e22b95d164b83b454fc2df40bf41b3061860fea9fce48c18927f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03a785613169e22b95d164b83b454fc2df40bf41b3061860fea9fce48c18927f", kill_on_drop: false }`
[INFO] [stdout] 03a785613169e22b95d164b83b454fc2df40bf41b3061860fea9fce48c18927f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 498c6b9deda196ce4fb1dc72e258db60702f78063529fadc7cb25ea775077093
[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" "498c6b9deda196ce4fb1dc72e258db60702f78063529fadc7cb25ea775077093", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.85
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]    Compiling memchr v2.3.4
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[INFO] [stderr]     Checking scopeguard v1.1.0
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[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-rational v0.3.2
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[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking predicates-tree v1.0.2
[INFO] [stderr]     Checking predicates v1.0.7
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.9
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking png v0.15.3
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[INFO] [stderr]     Checking libflate v1.0.3
[INFO] [stderr]    Compiling pathfinder_simd v0.5.0
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[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.44
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[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking freetype v0.4.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking servo-fontconfig v0.4.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking pathfinder_geometry v0.5.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking image v0.22.5
[INFO] [stderr]     Checking font-kit v0.7.1
[INFO] [stderr]     Checking image v0.23.13
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling palette v0.5.0
[INFO] [stderr]     Checking plotters-bitmap v0.3.0
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking csv v1.1.5
[INFO] [stderr]     Checking assert_cmd v1.0.3
[INFO] [stderr]     Checking plotters v0.3.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling palette_derive v0.5.0
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling strum_macros v0.20.1
[INFO] [stderr]     Checking strum v0.20.0
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking cpo_analyzer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 39s
[INFO] running `Command { std: "docker" "inspect" "498c6b9deda196ce4fb1dc72e258db60702f78063529fadc7cb25ea775077093", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "498c6b9deda196ce4fb1dc72e258db60702f78063529fadc7cb25ea775077093", kill_on_drop: false }`
[INFO] [stdout] 498c6b9deda196ce4fb1dc72e258db60702f78063529fadc7cb25ea775077093