[INFO] fetching crate gitarena 0.0.0...
[INFO] checking gitarena-0.0.0 against try#590af02d982816cfb2e4e43f8c54065e816581ce for pr-111505
[INFO] extracting crate gitarena 0.0.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate gitarena 0.0.0 on toolchain 590af02d982816cfb2e4e43f8c54065e816581ce
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+590af02d982816cfb2e4e43f8c54065e816581ce" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gitarena 0.0.0
[INFO] finished tweaking crates.io crate gitarena 0.0.0
[INFO] tweaked toml for crates.io crate gitarena 0.0.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate gitarena 0.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+590af02d982816cfb2e4e43f8c54065e816581ce" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+590af02d982816cfb2e4e43f8c54065e816581ce" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29b25f325c6ebd5ce07a112b460acac4bb9febfc13dde257c528eaf83aea9809
[INFO] running `Command { std: "docker" "start" "-a" "29b25f325c6ebd5ce07a112b460acac4bb9febfc13dde257c528eaf83aea9809", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29b25f325c6ebd5ce07a112b460acac4bb9febfc13dde257c528eaf83aea9809", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29b25f325c6ebd5ce07a112b460acac4bb9febfc13dde257c528eaf83aea9809", kill_on_drop: false }`
[INFO] [stdout] 29b25f325c6ebd5ce07a112b460acac4bb9febfc13dde257c528eaf83aea9809
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+590af02d982816cfb2e4e43f8c54065e816581ce" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc36310ada35dab12ecb2325b52ee54daa8f92fb758186030490cf2a122e65bf
[INFO] running `Command { std: "docker" "start" "-a" "cc36310ada35dab12ecb2325b52ee54daa8f92fb758186030490cf2a122e65bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking futures-io v0.3.19
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]    Compiling serde_derive v1.0.133
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.6
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking futures-sink v0.3.19
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling crc32fast v1.3.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking crossbeam-channel v0.5.2
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.6
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]    Compiling crossbeam-queue v0.3.3
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling cmake v0.1.48
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.29
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stdout] error: this attribute can only be applied at the crate level
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-io-0.1.13/src/_tokio_codec/mod.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 14 | #![doc(hidden, html_root_url = "https://docs.rs/tokio-codec/0.1.0")]
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: read <https://doc.rust-lang.org/nightly/rustdoc/the-doc-attribute.html#at-the-crate-level> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]    Compiling serde_json v1.0.74
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tokio-io` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "cc36310ada35dab12ecb2325b52ee54daa8f92fb758186030490cf2a122e65bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc36310ada35dab12ecb2325b52ee54daa8f92fb758186030490cf2a122e65bf", kill_on_drop: false }`
[INFO] [stdout] cc36310ada35dab12ecb2325b52ee54daa8f92fb758186030490cf2a122e65bf