[INFO] fetching crate io-streams 0.4.3...
[INFO] checking io-streams-0.4.3 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate io-streams 0.4.3 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate io-streams 0.4.3 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 io-streams 0.4.3
[INFO] finished tweaking crates.io crate io-streams 0.4.3
[INFO] tweaked toml for crates.io crate io-streams 0.4.3 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate crates.io crate io-streams 0.4.3 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ambient-authority v0.0.0
[INFO] [stderr]   Downloaded cap-tempfile v0.14.0
[INFO] [stderr]   Downloaded duplex v0.4.0
[INFO] [stderr]   Downloaded unsafe-io v0.6.9
[INFO] [stderr]   Downloaded utf8-io v0.4.1
[INFO] [stderr]   Downloaded posish v0.6.3
[INFO] [stderr]   Downloaded char-device v0.4.0
[INFO] [stderr]   Downloaded layered-io v0.5.2
[INFO] [stderr]   Downloaded system-interface v0.6.6
[INFO] [stderr]   Downloaded cap-primitives v0.13.10
[INFO] [stderr]   Downloaded io-lifetimes v0.1.1
[INFO] [stderr]   Downloaded cap-primitives v0.14.0
[INFO] [stderr]   Downloaded fs-set-times v0.3.1
[INFO] [stderr]   Downloaded maybe-owned v0.3.4
[INFO] [stderr]   Downloaded socketpair v0.7.0
[INFO] [stderr]   Downloaded terminal-io v0.4.0
[INFO] [stderr]   Downloaded winx v0.25.0
[INFO] [stderr]   Downloaded cap-std v0.13.10
[INFO] [stderr]   Downloaded cap-std v0.14.0
[INFO] [stderr]   Downloaded linux-raw-sys v0.0.0
[INFO] [stderr]   Downloaded cap-fs-ext v0.13.10
[INFO] [stderr]   Downloaded posish v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 39c72774de598718235c3616d62ad8bbd75e173bf94f27b6e1758930abd54d27
[INFO] running `Command { std: "docker" "start" "-a" "39c72774de598718235c3616d62ad8bbd75e173bf94f27b6e1758930abd54d27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39c72774de598718235c3616d62ad8bbd75e173bf94f27b6e1758930abd54d27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39c72774de598718235c3616d62ad8bbd75e173bf94f27b6e1758930abd54d27", kill_on_drop: false }`
[INFO] [stdout] 39c72774de598718235c3616d62ad8bbd75e173bf94f27b6e1758930abd54d27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 488a91e6aa2ec9206da592da43b6e4454a48ccfcbdf8f3d3d0c65d82276061f5
[INFO] running `Command { std: "docker" "start" "-a" "488a91e6aa2ec9206da592da43b6e4454a48ccfcbdf8f3d3d0c65d82276061f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling posish v0.7.1
[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]     Checking ambient-authority v0.0.0
[INFO] [stderr]     Checking maybe-owned v0.3.4
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]    Compiling io-lifetimes v0.1.1
[INFO] [stderr]    Compiling system-interface v0.6.6
[INFO] [stderr]    Compiling io-streams v0.4.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]     Checking os_pipe v0.9.2
[INFO] [stderr]     Checking errno v0.2.7
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling unsafe-io v0.6.9
[INFO] [stderr]    Compiling socketpair v0.7.0
[INFO] [stderr]    Compiling cap-primitives v0.14.0
[INFO] [stderr]    Compiling char-device v0.4.0
[INFO] [stderr]    Compiling cap-std v0.14.0
[INFO] [stderr]     Checking posish v0.6.3
[INFO] [stderr]     Checking fs-set-times v0.3.1
[INFO] [stderr]     Checking duplex v0.4.0
[INFO] [stderr]     Checking cap-tempfile v0.14.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.86s
[INFO] running `Command { std: "docker" "inspect" "488a91e6aa2ec9206da592da43b6e4454a48ccfcbdf8f3d3d0c65d82276061f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "488a91e6aa2ec9206da592da43b6e4454a48ccfcbdf8f3d3d0c65d82276061f5", kill_on_drop: false }`
[INFO] [stdout] 488a91e6aa2ec9206da592da43b6e4454a48ccfcbdf8f3d3d0c65d82276061f5