[INFO] fetching crate p0w 0.2.2...
[INFO] checking p0w-0.2.2 against master#fc81ad22c453776de16acf9938976930cf8c9401 for pr-77325
[INFO] extracting crate p0w 0.2.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate p0w 0.2.2 on toolchain fc81ad22c453776de16acf9938976930cf8c9401
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate p0w 0.2.2
[INFO] finished tweaking crates.io crate p0w 0.2.2
[INFO] tweaked toml for crates.io crate p0w 0.2.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate p0w 0.2.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror v1.0.20
[INFO] [stderr]   Downloaded serde_derive v1.0.112
[INFO] [stderr]   Downloaded hermit-abi v0.1.14
[INFO] [stderr]   Downloaded rayon-core v1.7.1
[INFO] [stderr]   Downloaded typenum v1.12.0
[INFO] [stderr]   Downloaded tempfile v3.1.0
[INFO] [stderr]   Downloaded generic-array v0.14.2
[INFO] [stderr]   Downloaded arrayref v0.3.6
[INFO] [stderr]   Downloaded proc-macro2 v1.0.18
[INFO] [stderr]   Downloaded rand_core v0.5.1
[INFO] [stderr]   Downloaded wasi v0.9.0+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.8
[INFO] [stderr]   Downloaded crypto-mac v0.8.0
[INFO] [stderr]   Downloaded maybe-uninit v2.0.0
[INFO] [stderr]   Downloaded cc v1.0.58
[INFO] [stderr]   Downloaded byteorder v1.3.4
[INFO] [stderr]   Downloaded rand_xorshift v0.2.0
[INFO] [stderr]   Downloaded version_check v0.9.2
[INFO] [stderr]   Downloaded bit-vec v0.6.2
[INFO] [stderr]   Downloaded crossbeam-epoch v0.8.2
[INFO] [stderr]   Downloaded crossbeam-deque v0.7.3
[INFO] [stderr]   Downloaded either v1.5.3
[INFO] [stderr]   Downloaded num-traits v0.2.12
[INFO] [stderr]   Downloaded autocfg v1.0.0
[INFO] [stderr]   Downloaded rand_chacha v0.2.2
[INFO] [stderr]   Downloaded thiserror-impl v1.0.20
[INFO] [stderr]   Downloaded quote v1.0.7
[INFO] [stderr]   Downloaded unicode-xid v0.2.0
[INFO] [stderr]   Downloaded constant_time_eq v0.1.5
[INFO] [stderr]   Downloaded subtle v2.2.3
[INFO] [stderr]   Downloaded rayon v1.3.1
[INFO] [stderr]   Downloaded redox_syscall v0.1.56
[INFO] [stderr]   Downloaded arrayvec v0.5.1
[INFO] [stderr]   Downloaded serde v1.0.112
[INFO] [stderr]   Downloaded rand_hc v0.2.0
[INFO] [stderr]   Downloaded crossbeam-queue v0.2.3
[INFO] [stderr]   Downloaded crossbeam-utils v0.7.2
[INFO] [stderr]   Downloaded syn v1.0.31
[INFO] [stderr]   Downloaded regex-syntax v0.6.18
[INFO] [stderr]   Downloaded memoffset v0.5.4
[INFO] [stderr]   Downloaded winapi v0.3.8
[INFO] [stderr]   Downloaded blake3 v0.3.5
[INFO] [stderr]   Downloaded proptest v0.10.0
[INFO] [stderr]   Downloaded scopeguard v1.1.0
[INFO] [stderr]   Downloaded getrandom v0.1.14
[INFO] [stderr]   Downloaded num_cpus v1.13.0
[INFO] [stderr]   Downloaded cfg-if v0.1.10
[INFO] [stderr]   Downloaded rand v0.7.3
[INFO] [stderr]   Downloaded libc v0.2.71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28f9917db2a5c4d0114b646cd9130e43e95140d5ed7fe81cbe1eb446f478759a
[INFO] running `Command { std: "docker" "start" "-a" "28f9917db2a5c4d0114b646cd9130e43e95140d5ed7fe81cbe1eb446f478759a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28f9917db2a5c4d0114b646cd9130e43e95140d5ed7fe81cbe1eb446f478759a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28f9917db2a5c4d0114b646cd9130e43e95140d5ed7fe81cbe1eb446f478759a", kill_on_drop: false }`
[INFO] [stdout] 28f9917db2a5c4d0114b646cd9130e43e95140d5ed7fe81cbe1eb446f478759a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+fc81ad22c453776de16acf9938976930cf8c9401" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 490130e6c73d9a4b44407889ae22f05438d8fa40165272d79ce7c35afab21f5a
[INFO] running `Command { std: "docker" "start" "-a" "490130e6c73d9a4b44407889ae22f05438d8fa40165272d79ce7c35afab21f5a", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking subtle v2.2.3
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling generic-array v0.14.2
[INFO] [stderr]    Compiling blake3 v0.3.5
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rayon-core v1.7.1
[INFO] [stderr]     Checking rayon v1.3.1
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking proptest v0.10.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking p0w v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.14s
[INFO] running `Command { std: "docker" "inspect" "490130e6c73d9a4b44407889ae22f05438d8fa40165272d79ce7c35afab21f5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "490130e6c73d9a4b44407889ae22f05438d8fa40165272d79ce7c35afab21f5a", kill_on_drop: false }`
[INFO] [stdout] 490130e6c73d9a4b44407889ae22f05438d8fa40165272d79ce7c35afab21f5a