[INFO] fetching crate jump-kun 0.4.6...
[INFO] checking jump-kun-0.4.6 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate jump-kun 0.4.6 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate jump-kun 0.4.6 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jump-kun 0.4.6
[INFO] finished tweaking crates.io crate jump-kun 0.4.6
[INFO] tweaked toml for crates.io crate jump-kun 0.4.6 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate jump-kun 0.4.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "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] 7e2674331816cd1a6ca7ee7d1ad087366e8ba7a536e2fa78496fbdf86e86ecc8
[INFO] running `Command { std: "docker" "start" "-a" "7e2674331816cd1a6ca7ee7d1ad087366e8ba7a536e2fa78496fbdf86e86ecc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e2674331816cd1a6ca7ee7d1ad087366e8ba7a536e2fa78496fbdf86e86ecc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e2674331816cd1a6ca7ee7d1ad087366e8ba7a536e2fa78496fbdf86e86ecc8", kill_on_drop: false }`
[INFO] [stdout] 7e2674331816cd1a6ca7ee7d1ad087366e8ba7a536e2fa78496fbdf86e86ecc8
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 27cba210cf3a05f808c63663298a1f9733823b9151e77f1379fa1f5dcbcd314d
[INFO] running `Command { std: "docker" "start" "-a" "27cba210cf3a05f808c63663298a1f9733823b9151e77f1379fa1f5dcbcd314d", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.52
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking instant v0.1.6
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling anyhow v1.0.34
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking utf8parse v0.1.1
[INFO] [stderr]     Checking shlex v0.1.1
[INFO] [stderr]     Checking beef v0.4.4
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking vte v0.3.3
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking fuzzy-matcher v0.3.7
[INFO] [stderr]     Checking regex v1.3.9
[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 num-traits v0.2.12
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking dirs v3.0.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking crossbeam-channel v0.4.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking rayon-core v1.7.1
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]     Checking sled v0.34.6
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking defer-drop v1.0.1
[INFO] [stderr]     Checking ignore v0.4.17
[INFO] [stderr]     Checking timer v0.2.0
[INFO] [stderr]     Checking jwalk v0.5.1
[INFO] [stderr]     Checking tuikit v0.4.2
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]     Checking skim v0.9.3
[INFO] [stderr]    Compiling toml v0.5.7
[INFO] [stderr]    Compiling jump-kun-macros v0.1.9
[INFO] [stderr]     Checking jump-kun v0.4.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 16s
[INFO] running `Command { std: "docker" "inspect" "27cba210cf3a05f808c63663298a1f9733823b9151e77f1379fa1f5dcbcd314d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27cba210cf3a05f808c63663298a1f9733823b9151e77f1379fa1f5dcbcd314d", kill_on_drop: false }`
[INFO] [stdout] 27cba210cf3a05f808c63663298a1f9733823b9151e77f1379fa1f5dcbcd314d