[INFO] fetching crate nvim-rs 0.2.0...
[INFO] checking nvim-rs-0.2.0 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] extracting crate nvim-rs 0.2.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate nvim-rs 0.2.0 on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nvim-rs 0.2.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate nvim-rs 0.2.0
[INFO] tweaked toml for crates.io crate nvim-rs 0.2.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate nvim-rs 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded itoa v0.4.4
[INFO] [stderr]   Downloaded futures-executor v0.3.1
[INFO] [stderr]   Downloaded serde_derive v1.0.104
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[INFO] [stderr]   Downloaded crossbeam-utils v0.7.0
[INFO] [stderr]   Downloaded either v1.5.3
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[INFO] [stderr]   Downloaded futures v0.1.29
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[INFO] [stderr]   Downloaded memoffset v0.5.3
[INFO] [stderr]   Downloaded proc-macro-nested v0.1.3
[INFO] [stderr]   Downloaded syn v1.0.13
[INFO] [stderr]   Downloaded futures-io v0.3.1
[INFO] [stderr]   Downloaded socket2 v0.3.11
[INFO] [stderr]   Downloaded pin-project v0.4.6
[INFO] [stderr]   Downloaded serde_json v1.0.44
[INFO] [stderr]   Downloaded rmpv v0.4.3
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[INFO] [stderr]   Downloaded csv-core v0.1.6
[INFO] [stderr]   Downloaded criterion-plot v0.4.0
[INFO] [stderr]   Downloaded futures-channel v0.3.1
[INFO] [stderr]   Downloaded rand_os v0.2.2
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[INFO] [stderr]   Downloaded pin-utils v0.1.0-alpha.4
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[INFO] [stderr]   Downloaded async-attributes v1.1.1
[INFO] [stderr]   Downloaded crossbeam-channel v0.4.0
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[INFO] [stderr]   Downloaded async-trait v0.1.22
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[INFO] [stderr]   Downloaded pin-project-lite v0.1.2
[INFO] [stderr]   Downloaded async-std v1.4.0
[INFO] [stderr]   Downloaded walkdir v2.2.9
[INFO] [stderr]   Downloaded tinytemplate v1.0.3
[INFO] [stderr]   Downloaded futures-core v0.3.1
[INFO] [stderr]   Downloaded futures-sink v0.3.1
[INFO] [stderr]   Downloaded once_cell v1.2.0
[INFO] [stderr]   Downloaded serde_bytes v0.11.3
[INFO] [stderr]   Downloaded crossbeam-epoch v0.8.0
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[INFO] [stderr]   Downloaded csv v1.1.2
[INFO] [stderr]   Downloaded tokio v0.2.8
[INFO] [stderr]   Downloaded futures-task v0.3.1
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[INFO] [stderr]   Downloaded hermit-abi v0.1.6
[INFO] [stderr]   Downloaded futures-macro v0.3.1
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[INFO] [stderr]   Downloaded num_cpus v1.11.1
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[INFO] [stderr]   Downloaded rayon v1.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 491732b863119cb2b78fc46707fd5e643d57580d66cab3b1321ec9cd1a59797c
[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" "491732b863119cb2b78fc46707fd5e643d57580d66cab3b1321ec9cd1a59797c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "491732b863119cb2b78fc46707fd5e643d57580d66cab3b1321ec9cd1a59797c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "491732b863119cb2b78fc46707fd5e643d57580d66cab3b1321ec9cd1a59797c", kill_on_drop: false }`
[INFO] [stdout] 491732b863119cb2b78fc46707fd5e643d57580d66cab3b1321ec9cd1a59797c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1116816ef186d902d59a4c332a40ff232c045434fb750e04058131a500de894
[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" "a1116816ef186d902d59a4c332a40ff232c045434fb750e04058131a500de894", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking same-file v1.0.5
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[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]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking walkdir v2.2.9
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking regex-automata v0.1.8
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking criterion-plot v0.4.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rmp v0.8.9
[INFO] [stderr]     Checking csv-core v0.1.6
[INFO] [stderr]     Checking rand_os v0.2.2
[INFO] [stderr]     Checking rand_xoshiro v0.3.1
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking rmpv v0.4.3
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]     Checking csv v1.1.2
[INFO] [stderr]     Checking tinytemplate v1.0.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling async-trait v0.1.22
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking criterion v0.3.0
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]     Checking nvim-rs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 19s
[INFO] running `Command { std: "docker" "inspect" "a1116816ef186d902d59a4c332a40ff232c045434fb750e04058131a500de894", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1116816ef186d902d59a4c332a40ff232c045434fb750e04058131a500de894", kill_on_drop: false }`
[INFO] [stdout] a1116816ef186d902d59a4c332a40ff232c045434fb750e04058131a500de894