[INFO] fetching crate piow 0.2.1...
[INFO] checking piow-0.2.1 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate piow 0.2.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate piow 0.2.1 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate piow 0.2.1
[INFO] finished tweaking crates.io crate piow 0.2.1
[INFO] tweaked toml for crates.io crate piow 0.2.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate piow 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded swayipc-types v1.0.0-alpha.3
[INFO] [stderr]   Downloaded swayipc-async v2.0.0-alpha.3
[INFO] [stderr]   Downloaded syslog v5.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 041956901d315c93bddc728bead6774903c42c1bfd52cb832c93e0a44c4b9cf9
[INFO] running `Command { std: "docker" "start" "-a" "041956901d315c93bddc728bead6774903c42c1bfd52cb832c93e0a44c4b9cf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "041956901d315c93bddc728bead6774903c42c1bfd52cb832c93e0a44c4b9cf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "041956901d315c93bddc728bead6774903c42c1bfd52cb832c93e0a44c4b9cf9", kill_on_drop: false }`
[INFO] [stdout] 041956901d315c93bddc728bead6774903c42c1bfd52cb832c93e0a44c4b9cf9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81ed3760ed2eb2cd88d80a8342785d5f8ede43d9be5073e67b339c98f73ba80a
[INFO] running `Command { std: "docker" "start" "-a" "81ed3760ed2eb2cd88d80a8342785d5f8ede43d9be5073e67b339c98f73ba80a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]    Compiling signal-hook v0.3.9
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking dirs v3.0.2
[INFO] [stderr]     Checking polling v2.0.3
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling tokio v1.6.1
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Checking object v0.25.3
[INFO] [stderr]     Checking syslog v5.0.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking async-io v1.4.1
[INFO] [stderr]     Checking async-process v1.1.0
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking thiserror v1.0.25
[INFO] [stderr]     Checking docopt v1.1.1
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking swayipc-types v1.0.0-alpha.3
[INFO] [stderr]     Checking swayipc-async v2.0.0-alpha.3
[INFO] [stderr]     Checking piow v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.01s
[INFO] running `Command { std: "docker" "inspect" "81ed3760ed2eb2cd88d80a8342785d5f8ede43d9be5073e67b339c98f73ba80a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81ed3760ed2eb2cd88d80a8342785d5f8ede43d9be5073e67b339c98f73ba80a", kill_on_drop: false }`
[INFO] [stdout] 81ed3760ed2eb2cd88d80a8342785d5f8ede43d9be5073e67b339c98f73ba80a