[INFO] fetching crate metadata-backup 0.1.0...
[INFO] checking metadata-backup-0.1.0 against master#e1beee4992ad4b235fc700bf7af1ee86f894ea53 for pr-74130
[INFO] extracting crate metadata-backup 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate metadata-backup 0.1.0 on toolchain e1beee4992ad4b235fc700bf7af1ee86f894ea53
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate metadata-backup 0.1.0
[INFO] finished tweaking crates.io crate metadata-backup 0.1.0
[INFO] tweaked toml for crates.io crate metadata-backup 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate metadata-backup 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "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] 33d74020fa1a618636dab17e9e318bf4a608f8d8a0a9964eeb1e9231a3e673b5
[INFO] running `Command { std: "docker" "start" "-a" "33d74020fa1a618636dab17e9e318bf4a608f8d8a0a9964eeb1e9231a3e673b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33d74020fa1a618636dab17e9e318bf4a608f8d8a0a9964eeb1e9231a3e673b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33d74020fa1a618636dab17e9e318bf4a608f8d8a0a9964eeb1e9231a3e673b5", kill_on_drop: false }`
[INFO] [stdout] 33d74020fa1a618636dab17e9e318bf4a608f8d8a0a9964eeb1e9231a3e673b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff38ded3f64e144a09dcd47d902626a76f490cee0c1b8803635123fdd1f09761
[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" "ff38ded3f64e144a09dcd47d902626a76f490cee0c1b8803635123fdd1f09761", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.9
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling rayon-core v1.6.1
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking podio v0.1.6
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking same-file v1.0.5
[INFO] [stderr]     Checking bit-vec v0.5.1
[INFO] [stderr]     Checking strmode v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]     Checking miniz_oxide v0.3.5
[INFO] [stderr]     Checking walkdir v2.2.9
[INFO] [stderr]     Checking bit-set v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]     Checking getrandom v0.1.13
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking crossbeam-queue v0.2.0
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking csv-core v0.1.6
[INFO] [stderr]     Checking regex-automata v0.1.8
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking zip v0.5.3
[INFO] [stderr]     Checking rayon v1.2.1
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking rusty-fork v0.2.2
[INFO] [stderr]     Checking proptest v0.9.4
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]    Compiling structopt-derive v0.3.5
[INFO] [stderr]    Compiling proptest-derive v0.1.2
[INFO] [stderr]     Checking structopt v0.3.5
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]     Checking csv v1.1.1
[INFO] [stderr]     Checking metadata-backup v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 24s
[INFO] running `Command { std: "docker" "inspect" "ff38ded3f64e144a09dcd47d902626a76f490cee0c1b8803635123fdd1f09761", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff38ded3f64e144a09dcd47d902626a76f490cee0c1b8803635123fdd1f09761", kill_on_drop: false }`
[INFO] [stdout] ff38ded3f64e144a09dcd47d902626a76f490cee0c1b8803635123fdd1f09761