[INFO] fetching crate poston 0.7.1...
[INFO] checking poston-0.7.1 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] extracting crate poston 0.7.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate poston 0.7.1 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5/source/rust-toolchain
[INFO] started tweaking crates.io crate poston 0.7.1
[INFO] finished tweaking crates.io crate poston 0.7.1
[INFO] tweaked toml for crates.io crate poston 0.7.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate poston 0.7.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b2f0147adafbcf755352b47e5d78f6242a9c22c08f75c0b4ec69b58fc152579
[INFO] running `Command { std: "docker" "start" "-a" "9b2f0147adafbcf755352b47e5d78f6242a9c22c08f75c0b4ec69b58fc152579", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b2f0147adafbcf755352b47e5d78f6242a9c22c08f75c0b4ec69b58fc152579", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b2f0147adafbcf755352b47e5d78f6242a9c22c08f75c0b4ec69b58fc152579", kill_on_drop: false }`
[INFO] [stdout] 9b2f0147adafbcf755352b47e5d78f6242a9c22c08f75c0b4ec69b58fc152579
[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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87ed87c1571a34524f2cc00e8dd0605fe0ea8fda2338f0d9ba07a44ad12d5bbb
[INFO] running `Command { std: "docker" "start" "-a" "87ed87c1571a34524f2cc00e8dd0605fe0ea8fda2338f0d9ba07a44ad12d5bbb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling syn v1.0.34
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rmp v0.8.9
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking rmp-serde v0.14.3
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking backoff v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking poston v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.83s
[INFO] running `Command { std: "docker" "inspect" "87ed87c1571a34524f2cc00e8dd0605fe0ea8fda2338f0d9ba07a44ad12d5bbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87ed87c1571a34524f2cc00e8dd0605fe0ea8fda2338f0d9ba07a44ad12d5bbb", kill_on_drop: false }`
[INFO] [stdout] 87ed87c1571a34524f2cc00e8dd0605fe0ea8fda2338f0d9ba07a44ad12d5bbb