[INFO] fetching crate mtlog 0.3.0...
[INFO] testing mtlog-0.3.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate mtlog 0.3.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate mtlog 0.3.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate mtlog 0.3.0
[INFO] tweaked toml for crates.io crate mtlog 0.3.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mtlog 0.3.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mtlog 0.3.0 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.106
[INFO] [stderr]   Downloaded mtlog-core v0.2.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.106
[INFO] [stderr]   Downloaded js-sys v0.3.83
[INFO] [stderr]   Downloaded derive_from_env v1.0.1
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.106
[INFO] [stderr]   Downloaded darling_macro v0.23.0
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.106
[INFO] [stderr]   Downloaded find-msvc-tools v0.1.5
[INFO] [stderr]   Downloaded iana-time-zone v0.1.64
[INFO] [stderr]   Downloaded uuid v1.19.0
[INFO] [stderr]   Downloaded darling_core v0.23.0
[INFO] [stderr]   Downloaded cc v1.2.50
[INFO] [stderr]   Downloaded bumpalo v3.19.1
[INFO] [stderr]   Downloaded darling v0.23.0
[INFO] [stderr]   Downloaded derive_from_env_proc v1.0.1
[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" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a80442692bb37887ff12ee628b678b259dabf4f8943c31370b3f043b8e7ab5ab
[INFO] running `Command { std: "docker" "start" "-a" "a80442692bb37887ff12ee628b678b259dabf4f8943c31370b3f043b8e7ab5ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a80442692bb37887ff12ee628b678b259dabf4f8943c31370b3f043b8e7ab5ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a80442692bb37887ff12ee628b678b259dabf4f8943c31370b3f043b8e7ab5ab", kill_on_drop: false }`
[INFO] [stdout] a80442692bb37887ff12ee628b678b259dabf4f8943c31370b3f043b8e7ab5ab
[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=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" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9627ceda5855a012df5ad197f47ba138099336ed4e9622cd33e54dc6a432eb1
[INFO] running `Command { std: "docker" "start" "-a" "d9627ceda5855a012df5ad197f47ba138099336ed4e9622cd33e54dc6a432eb1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling libc v0.2.178
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling iana-time-zone v0.1.64
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling colored v3.0.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling uuid v1.19.0
[INFO] [stderr]    Compiling darling_core v0.23.0
[INFO] [stderr]    Compiling darling_macro v0.23.0
[INFO] [stderr]    Compiling darling v0.23.0
[INFO] [stderr]    Compiling derive_from_env_proc v1.0.1
[INFO] [stderr]    Compiling derive_from_env v1.0.1
[INFO] [stderr]    Compiling mtlog-core v0.2.0
[INFO] [stderr]    Compiling mtlog v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.36s
[INFO] running `Command { std: "docker" "inspect" "d9627ceda5855a012df5ad197f47ba138099336ed4e9622cd33e54dc6a432eb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9627ceda5855a012df5ad197f47ba138099336ed4e9622cd33e54dc6a432eb1", kill_on_drop: false }`
[INFO] [stdout] d9627ceda5855a012df5ad197f47ba138099336ed4e9622cd33e54dc6a432eb1
[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=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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8dd45e8cb32ff48bb35e2f372595d992f4729288ea7256f5ed7506fd7f39f1e0
[INFO] running `Command { std: "docker" "start" "-a" "8dd45e8cb32ff48bb35e2f372595d992f4729288ea7256f5ed7506fd7f39f1e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling mtlog v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `Command { std: "docker" "inspect" "8dd45e8cb32ff48bb35e2f372595d992f4729288ea7256f5ed7506fd7f39f1e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dd45e8cb32ff48bb35e2f372595d992f4729288ea7256f5ed7506fd7f39f1e0", kill_on_drop: false }`
[INFO] [stdout] 8dd45e8cb32ff48bb35e2f372595d992f4729288ea7256f5ed7506fd7f39f1e0
[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=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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3db237d5a577f174ee3f33b1d3b28652dd648510cef564e6131de5af4036f741
[INFO] running `Command { std: "docker" "start" "-a" "3db237d5a577f174ee3f33b1d3b28652dd648510cef564e6131de5af4036f741", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mtlog-a6001f29c943e648)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests mtlog
[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 3 tests
[INFO] [stdout] test src/lib.rs - (line 47) ... ok
[INFO] [stdout] test src/lib.rs - (line 12) ... ok
[INFO] [stdout] test src/lib.rs - (line 22) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.83s; merged doctests compilation took 0.78s
[INFO] running `Command { std: "docker" "inspect" "3db237d5a577f174ee3f33b1d3b28652dd648510cef564e6131de5af4036f741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3db237d5a577f174ee3f33b1d3b28652dd648510cef564e6131de5af4036f741", kill_on_drop: false }`
[INFO] [stdout] 3db237d5a577f174ee3f33b1d3b28652dd648510cef564e6131de5af4036f741