[INFO] fetching crate pledge 0.4.2...
[INFO] checking pledge-0.4.2 against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710
[INFO] extracting crate pledge 0.4.2 into /workspace/builds/worker-107/source
[INFO] validating manifest of crates.io crate pledge 0.4.2 on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pledge 0.4.2
[INFO] finished tweaking crates.io crate pledge 0.4.2
[INFO] tweaked toml for crates.io crate pledge 0.4.2 written to /workspace/builds/worker-107/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a3dc83ae0be7debe52f37007938e9850864c7b175fed71861acb5557c6fa0769
[INFO] running `Command { std: "docker" "start" "-a" "a3dc83ae0be7debe52f37007938e9850864c7b175fed71861acb5557c6fa0769", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3dc83ae0be7debe52f37007938e9850864c7b175fed71861acb5557c6fa0769", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3dc83ae0be7debe52f37007938e9850864c7b175fed71861acb5557c6fa0769", kill_on_drop: false }`
[INFO] [stdout] a3dc83ae0be7debe52f37007938e9850864c7b175fed71861acb5557c6fa0769
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15fed73f1152b1c45add892369d97946f6ac2544e83e35556de01065dd9a657c
[INFO] running `Command { std: "docker" "start" "-a" "15fed73f1152b1c45add892369d97946f6ac2544e83e35556de01065dd9a657c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]     Checking pledge v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `pledge`
[INFO] [stdout]    --> src/lib.rs:122:17
[INFO] [stdout]     |
[INFO] [stdout] 122 |     use super::{pledge, Promise, ToPromiseString};
[INFO] [stdout]     |                 ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ToPromiseString`
[INFO] [stdout]    --> src/lib.rs:122:34
[INFO] [stdout]     |
[INFO] [stdout] 122 |     use super::{pledge, Promise, ToPromiseString};
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.75s
[INFO] running `Command { std: "docker" "inspect" "15fed73f1152b1c45add892369d97946f6ac2544e83e35556de01065dd9a657c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15fed73f1152b1c45add892369d97946f6ac2544e83e35556de01065dd9a657c", kill_on_drop: false }`
[INFO] [stdout] 15fed73f1152b1c45add892369d97946f6ac2544e83e35556de01065dd9a657c