[INFO] fetching crate kelvin-hamt 0.13.0...
[INFO] checking kelvin-hamt-0.13.0 against try#bb9dbf1d07454a99066eabaabd5819851281494b for pr-80920
[INFO] extracting crate kelvin-hamt 0.13.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate kelvin-hamt 0.13.0 on toolchain bb9dbf1d07454a99066eabaabd5819851281494b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kelvin-hamt 0.13.0
[INFO] finished tweaking crates.io crate kelvin-hamt 0.13.0
[INFO] tweaked toml for crates.io crate kelvin-hamt 0.13.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+bb9dbf1d07454a99066eabaabd5819851281494b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63862e29fce0db1b4413bb3ca628405c5da5edccf1cbbc386c62c5a11e3ea3a8
[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" "63862e29fce0db1b4413bb3ca628405c5da5edccf1cbbc386c62c5a11e3ea3a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63862e29fce0db1b4413bb3ca628405c5da5edccf1cbbc386c62c5a11e3ea3a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63862e29fce0db1b4413bb3ca628405c5da5edccf1cbbc386c62c5a11e3ea3a8", kill_on_drop: false }`
[INFO] [stdout] 63862e29fce0db1b4413bb3ca628405c5da5edccf1cbbc386c62c5a11e3ea3a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+bb9dbf1d07454a99066eabaabd5819851281494b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb2eab28352e218e3b3c56d6f73508b3755892fca0217d3a22b421abc59bff8b
[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" "cb2eab28352e218e3b3c56d6f73508b3755892fca0217d3a22b421abc59bff8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling getrandom v0.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]     Checking futures-core v0.3.9
[INFO] [stderr]     Checking futures-sink v0.3.9
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]     Checking seahash v3.0.7
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking stable-heap v0.1.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking futures-task v0.3.9
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking thread_local v1.1.0
[INFO] [stderr]     Checking futures-channel v0.3.9
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking bytehash v0.3.0
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking parking_lot v0.4.8
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking cache v0.2.0
[INFO] [stderr]     Checking rand v0.8.1
[INFO] [stderr]     Checking parking_lot_core v0.3.1
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking appendix v0.2.0
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking atomicwrites v0.2.5
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking quickcheck v0.8.5
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling futures-macro v0.3.9
[INFO] [stderr]    Compiling derive_arbitrary v0.3.3
[INFO] [stderr]     Checking arbitrary v0.3.3
[INFO] [stderr]     Checking futures-util v0.3.9
[INFO] [stderr]     Checking futures-executor v0.3.9
[INFO] [stderr]     Checking futures v0.3.9
[INFO] [stderr]     Checking kelvin v0.19.0
[INFO] [stderr]     Checking kelvin-hamt v0.13.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.44s
[INFO] running `Command { std: "docker" "inspect" "cb2eab28352e218e3b3c56d6f73508b3755892fca0217d3a22b421abc59bff8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb2eab28352e218e3b3c56d6f73508b3755892fca0217d3a22b421abc59bff8b", kill_on_drop: false }`
[INFO] [stdout] cb2eab28352e218e3b3c56d6f73508b3755892fca0217d3a22b421abc59bff8b