[INFO] updating cached repository https://github.com/diserere/rust-test-coverage
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e27be5ebabfeb783ddb9905602dd090c4137c8cb
[INFO] testing diserere/rust-test-coverage against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdiserere%2Frust-test-coverage" "work/builds/worker-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/diserere/rust-test-coverage on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/diserere/rust-test-coverage
[INFO] finished tweaking git repo https://github.com/diserere/rust-test-coverage
[INFO] tweaked toml for git repo https://github.com/diserere/rust-test-coverage written to work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/diserere/rust-test-coverage already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 233eabf693bf25092249aee606c945c4f94700f4e35009414a3b243a4cb430aa
[INFO] running `"docker" "start" "-a" "233eabf693bf25092249aee606c945c4f94700f4e35009414a3b243a4cb430aa"`
[INFO] [stderr]    Compiling test_cov_kcov v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `"docker" "inspect" "233eabf693bf25092249aee606c945c4f94700f4e35009414a3b243a4cb430aa"`
[INFO] running `"docker" "rm" "-f" "233eabf693bf25092249aee606c945c4f94700f4e35009414a3b243a4cb430aa"`
[INFO] [stdout] 233eabf693bf25092249aee606c945c4f94700f4e35009414a3b243a4cb430aa
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] af6018e0ca568942db8931e424cfd8550e4cdbd6bfe3ad112e5e41096c80a7bb
[INFO] running `"docker" "start" "-a" "af6018e0ca568942db8931e424cfd8550e4cdbd6bfe3ad112e5e41096c80a7bb"`
[INFO] [stderr]    Compiling test_cov_kcov v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> src/main.rs:35:6
[INFO] [stderr]    |
[INFO] [stderr] 35 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `"docker" "inspect" "af6018e0ca568942db8931e424cfd8550e4cdbd6bfe3ad112e5e41096c80a7bb"`
[INFO] running `"docker" "rm" "-f" "af6018e0ca568942db8931e424cfd8550e4cdbd6bfe3ad112e5e41096c80a7bb"`
[INFO] [stdout] af6018e0ca568942db8931e424cfd8550e4cdbd6bfe3ad112e5e41096c80a7bb
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 1c88183997d661f0115e38bb9a1d83507f12c8d3cbe2229bb04e49cb82b633b8
[INFO] running `"docker" "start" "-a" "1c88183997d661f0115e38bb9a1d83507f12c8d3cbe2229bb04e49cb82b633b8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_cov_kcov-58ffc54b996d95b0
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_all-9946544e431f6ce5
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "1c88183997d661f0115e38bb9a1d83507f12c8d3cbe2229bb04e49cb82b633b8"`
[INFO] running `"docker" "rm" "-f" "1c88183997d661f0115e38bb9a1d83507f12c8d3cbe2229bb04e49cb82b633b8"`
[INFO] [stdout] 1c88183997d661f0115e38bb9a1d83507f12c8d3cbe2229bb04e49cb82b633b8