[INFO] fetching crate sequoia-ipc 0.26.0...
[INFO] checking sequoia-ipc-0.26.0 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate sequoia-ipc 0.26.0 into /workspace/builds/worker-101/source
[INFO] validating manifest of crates.io crate sequoia-ipc 0.26.0 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sequoia-ipc 0.26.0
[INFO] finished tweaking crates.io crate sequoia-ipc 0.26.0
[INFO] tweaked toml for crates.io crate sequoia-ipc 0.26.0 written to /workspace/builds/worker-101/source/Cargo.toml
[INFO] crate crates.io crate sequoia-ipc 0.26.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d2440ac280a0d5331124ad30198ecbf19d8fa27afe872048e2f8bdd434274763
[INFO] running `Command { std: "docker" "start" "-a" "d2440ac280a0d5331124ad30198ecbf19d8fa27afe872048e2f8bdd434274763", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2440ac280a0d5331124ad30198ecbf19d8fa27afe872048e2f8bdd434274763", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2440ac280a0d5331124ad30198ecbf19d8fa27afe872048e2f8bdd434274763", kill_on_drop: false }`
[INFO] [stdout] d2440ac280a0d5331124ad30198ecbf19d8fa27afe872048e2f8bdd434274763
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82d751f50fd35358e22f8718c6a8eb82801d0586712a90a80c8a026abece7287
[INFO] running `Command { std: "docker" "start" "-a" "82d751f50fd35358e22f8718c6a8eb82801d0586712a90a80c8a026abece7287", kill_on_drop: false }`
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[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling memchr v2.4.1
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[INFO] [stderr]    Compiling sequoia-openpgp v1.3.0
[INFO] [stderr]    Compiling sequoia-ipc v0.26.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/keygrip.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |             &mut digest[..].copy_from_slice(&bytes[..]);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 52 |             let _ = &mut digest[..].copy_from_slice(&bytes[..]);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/keygrip.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |             &mut digest[..].copy_from_slice(&bytes[..]);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 52 |             let _ = &mut digest[..].copy_from_slice(&bytes[..]);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 31s
[INFO] running `Command { std: "docker" "inspect" "82d751f50fd35358e22f8718c6a8eb82801d0586712a90a80c8a026abece7287", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82d751f50fd35358e22f8718c6a8eb82801d0586712a90a80c8a026abece7287", kill_on_drop: false }`
[INFO] [stdout] 82d751f50fd35358e22f8718c6a8eb82801d0586712a90a80c8a026abece7287