[INFO] fetching crate sleuth-mutator 0.2.1...
[INFO] testing sleuth-mutator-0.2.1 against 1.95.0 for beta-1.96-2
[INFO] extracting crate sleuth-mutator 0.2.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate sleuth-mutator 0.2.1
[INFO] finished tweaking crates.io crate sleuth-mutator 0.2.1
[INFO] tweaked toml for crates.io crate sleuth-mutator 0.2.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sleuth-mutator 0.2.1 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad9739a8ecad6b83b3b132151b4b2ffa1e339f90d3e186b6358c889eee806479
[INFO] running `Command { std: "docker" "start" "-a" "ad9739a8ecad6b83b3b132151b4b2ffa1e339f90d3e186b6358c889eee806479", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad9739a8ecad6b83b3b132151b4b2ffa1e339f90d3e186b6358c889eee806479", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad9739a8ecad6b83b3b132151b4b2ffa1e339f90d3e186b6358c889eee806479", kill_on_drop: false }`
[INFO] [stdout] ad9739a8ecad6b83b3b132151b4b2ffa1e339f90d3e186b6358c889eee806479
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a65be5c806575f9624af0aad7924a8e85b2a0b162d504ddf37e6496c307485f8
[INFO] running `Command { std: "docker" "start" "-a" "a65be5c806575f9624af0aad7924a8e85b2a0b162d504ddf37e6496c307485f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling sleuth-mutator v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "a65be5c806575f9624af0aad7924a8e85b2a0b162d504ddf37e6496c307485f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a65be5c806575f9624af0aad7924a8e85b2a0b162d504ddf37e6496c307485f8", kill_on_drop: false }`
[INFO] [stdout] a65be5c806575f9624af0aad7924a8e85b2a0b162d504ddf37e6496c307485f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.95.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d4e3a0781b969e6bf33e7af1b983b4a8ad103fa536f82e4271428c8aadae674
[INFO] running `Command { std: "docker" "start" "-a" "5d4e3a0781b969e6bf33e7af1b983b4a8ad103fa536f82e4271428c8aadae674", kill_on_drop: false }`
[INFO] [stderr]    Compiling sleuth-mutator v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "5d4e3a0781b969e6bf33e7af1b983b4a8ad103fa536f82e4271428c8aadae674", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d4e3a0781b969e6bf33e7af1b983b4a8ad103fa536f82e4271428c8aadae674", kill_on_drop: false }`
[INFO] [stdout] 5d4e3a0781b969e6bf33e7af1b983b4a8ad103fa536f82e4271428c8aadae674
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.95.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4f00dd68c4d014c5d3e4bc5812541197ca0e2806e516bedd950bec7baf9fe423
[INFO] running `Command { std: "docker" "start" "-a" "4f00dd68c4d014c5d3e4bc5812541197ca0e2806e516bedd950bec7baf9fe423", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sleuth_mutator-2ab7c10dfbe034bf)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sleuth_mutator
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4f00dd68c4d014c5d3e4bc5812541197ca0e2806e516bedd950bec7baf9fe423", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f00dd68c4d014c5d3e4bc5812541197ca0e2806e516bedd950bec7baf9fe423", kill_on_drop: false }`
[INFO] [stdout] 4f00dd68c4d014c5d3e4bc5812541197ca0e2806e516bedd950bec7baf9fe423
