[INFO] fetching crate uint 0.9.1...
[INFO] checking uint-0.9.1 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate uint 0.9.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate uint 0.9.1 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate uint 0.9.1
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate uint 0.9.1
[INFO] tweaked toml for crates.io crate uint 0.9.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate uint 0.9.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45e4d7e1613e4f9072289dbd881f773425374195c57698a186937da360dd9204
[INFO] running `Command { std: "docker" "start" "-a" "45e4d7e1613e4f9072289dbd881f773425374195c57698a186937da360dd9204", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45e4d7e1613e4f9072289dbd881f773425374195c57698a186937da360dd9204", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45e4d7e1613e4f9072289dbd881f773425374195c57698a186937da360dd9204", kill_on_drop: false }`
[INFO] [stdout] 45e4d7e1613e4f9072289dbd881f773425374195c57698a186937da360dd9204
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 240bce8a14d292be0dc74e740410df6d90d0d243a77e264e13a46006d380ce60
[INFO] running `Command { std: "docker" "start" "-a" "240bce8a14d292be0dc74e740410df6d90d0d243a77e264e13a46006d380ce60", 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]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde v1.0.120
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.120
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]    Compiling rug v1.11.0
[INFO] [stderr]     Checking az v1.0.0
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]     Checking uint v0.9.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking plotters v0.2.15
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking csv v1.1.5
[INFO] [stderr]     Checking tinytemplate v1.2.0
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 55s
[INFO] running `Command { std: "docker" "inspect" "240bce8a14d292be0dc74e740410df6d90d0d243a77e264e13a46006d380ce60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "240bce8a14d292be0dc74e740410df6d90d0d243a77e264e13a46006d380ce60", kill_on_drop: false }`
[INFO] [stdout] 240bce8a14d292be0dc74e740410df6d90d0d243a77e264e13a46006d380ce60