[INFO] fetching crate spirit-tokio 0.7.2...
[INFO] checking spirit-tokio-0.7.2 against try#55b3f428b4fac6790b1e8492e0b91ff2d80aec7c for pr-77035
[INFO] extracting crate spirit-tokio 0.7.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate spirit-tokio 0.7.2 on toolchain 55b3f428b4fac6790b1e8492e0b91ff2d80aec7c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate spirit-tokio 0.7.2
[INFO] finished tweaking crates.io crate spirit-tokio 0.7.2
[INFO] tweaked toml for crates.io crate spirit-tokio 0.7.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate spirit-tokio 0.7.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arc-swap v1.0.0
[INFO] [stderr]   Downloaded structdoc-derive v0.1.4
[INFO] [stderr]   Downloaded structdoc v0.1.4
[INFO] [stderr]   Downloaded err-context v0.1.0
[INFO] [stderr]   Downloaded spirit v0.4.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d77738e5a7a874987d1d57cf16278f221b9c5deff5ac301d0ad087f31641626d
[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" "d77738e5a7a874987d1d57cf16278f221b9c5deff5ac301d0ad087f31641626d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d77738e5a7a874987d1d57cf16278f221b9c5deff5ac301d0ad087f31641626d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d77738e5a7a874987d1d57cf16278f221b9c5deff5ac301d0ad087f31641626d", kill_on_drop: false }`
[INFO] [stdout] d77738e5a7a874987d1d57cf16278f221b9c5deff5ac301d0ad087f31641626d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f7122a51de05ff2d9440ca1dcc14a3edc2464b4fe707d68532137e78689f7e7
[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" "5f7122a51de05ff2d9440ca1dcc14a3edc2464b4fe707d68532137e78689f7e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-segmentation v1.7.0
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking arc-swap v1.0.0
[INFO] [stderr]     Checking err-context v0.1.0
[INFO] [stderr]     Checking semver-parser v0.9.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]     Checking tinyvec v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking socket2 v0.3.16
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking lexical-core v0.7.4
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking pulldown-cmark v0.7.2
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking syn v1.0.48
[INFO] [stderr]     Checking unicode-normalization v0.1.15
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling structdoc-derive v0.1.4
[INFO] [stderr]    Compiling structopt-derive v0.4.13
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]     Checking tokio v0.2.23
[INFO] [stderr]     Checking structdoc v0.1.4
[INFO] [stderr]     Checking structopt v0.3.20
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]     Checking serde_path_to_error v0.1.3
[INFO] [stderr]     Checking serde_ignored v0.1.2
[INFO] [stderr]     Checking config v0.10.1
[INFO] [stderr]     Checking version-sync v0.9.1
[INFO] [stderr]     Checking spirit v0.4.9
[INFO] [stderr]     Checking spirit-tokio v0.7.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 43s
[INFO] running `Command { std: "docker" "inspect" "5f7122a51de05ff2d9440ca1dcc14a3edc2464b4fe707d68532137e78689f7e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f7122a51de05ff2d9440ca1dcc14a3edc2464b4fe707d68532137e78689f7e7", kill_on_drop: false }`
[INFO] [stdout] 5f7122a51de05ff2d9440ca1dcc14a3edc2464b4fe707d68532137e78689f7e7