[INFO] fetching crate revet-core 0.2.6...
[INFO] checking revet-core-0.2.6 against master#ff086354c9fc93e1da1d2f4d255456624fbcd099 for pr-153513
[INFO] extracting crate revet-core 0.2.6 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate revet-core 0.2.6
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate revet-core 0.2.6
[INFO] tweaked toml for crates.io crate revet-core 0.2.6 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate revet-core 0.2.6 on toolchain ff086354c9fc93e1da1d2f4d255456624fbcd099
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff086354c9fc93e1da1d2f4d255456624fbcd099" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate revet-core 0.2.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff086354c9fc93e1da1d2f4d255456624fbcd099" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ff086354c9fc93e1da1d2f4d255456624fbcd099" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7cc8d2c694dcfde237391d45753cc253f933fc36223258a3cf2aa2f54d41d98a
[INFO] running `Command { std: "docker" "start" "-a" "7cc8d2c694dcfde237391d45753cc253f933fc36223258a3cf2aa2f54d41d98a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7cc8d2c694dcfde237391d45753cc253f933fc36223258a3cf2aa2f54d41d98a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cc8d2c694dcfde237391d45753cc253f933fc36223258a3cf2aa2f54d41d98a", kill_on_drop: false }`
[INFO] [stdout] 7cc8d2c694dcfde237391d45753cc253f933fc36223258a3cf2aa2f54d41d98a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ff086354c9fc93e1da1d2f4d255456624fbcd099" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7529b3a89be92f2c385a3f0b102458699fd6af69edc13070e717170af19a2c64
[INFO] running `Command { std: "docker" "start" "-a" "7529b3a89be92f2c385a3f0b102458699fd6af69edc13070e717170af19a2c64", kill_on_drop: false }`
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[INFO] [stderr]     Checking revet-core v0.2.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> tests/test_test_coverage_analyzer.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `NamedTempFile`
[INFO] [stdout]  --> tests/test_test_coverage_analyzer.rs:7:25
[INFO] [stdout]   |
[INFO] [stdout] 7 | use tempfile::{tempdir, NamedTempFile};
[INFO] [stdout]   |                         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tests/test_test_coverage_analyzer.rs:205:9
[INFO] [stdout]     |
[INFO] [stdout] 205 |     let mut graph = CodeGraph::new(PathBuf::from("/tmp"));
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3m 49s
[INFO] running `Command { std: "docker" "inspect" "7529b3a89be92f2c385a3f0b102458699fd6af69edc13070e717170af19a2c64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7529b3a89be92f2c385a3f0b102458699fd6af69edc13070e717170af19a2c64", kill_on_drop: false }`
[INFO] [stdout] 7529b3a89be92f2c385a3f0b102458699fd6af69edc13070e717170af19a2c64