[INFO] fetching crate microrust 0.0.0-alpha.4...
[INFO] testing microrust-0.0.0-alpha.4 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate microrust 0.0.0-alpha.4 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate microrust 0.0.0-alpha.4
[INFO] finished tweaking crates.io crate microrust 0.0.0-alpha.4
[INFO] tweaked toml for crates.io crate microrust 0.0.0-alpha.4 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate microrust 0.0.0-alpha.4 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate microrust 0.0.0-alpha.4 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea611cb5f6732b07e604cf111920d32b2385ffad9f47c5c9bbe851f5565425da
[INFO] running `Command { std: "docker" "start" "-a" "ea611cb5f6732b07e604cf111920d32b2385ffad9f47c5c9bbe851f5565425da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea611cb5f6732b07e604cf111920d32b2385ffad9f47c5c9bbe851f5565425da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea611cb5f6732b07e604cf111920d32b2385ffad9f47c5c9bbe851f5565425da", kill_on_drop: false }`
[INFO] [stdout] ea611cb5f6732b07e604cf111920d32b2385ffad9f47c5c9bbe851f5565425da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36aee9a957aebbddc4249637e38875ae4f1cfcb229456420514c3247fbd82501
[INFO] running `Command { std: "docker" "start" "-a" "36aee9a957aebbddc4249637e38875ae4f1cfcb229456420514c3247fbd82501", kill_on_drop: false }`
[INFO] [stderr]    Compiling microrust v0.0.0-alpha.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "36aee9a957aebbddc4249637e38875ae4f1cfcb229456420514c3247fbd82501", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36aee9a957aebbddc4249637e38875ae4f1cfcb229456420514c3247fbd82501", kill_on_drop: false }`
[INFO] [stdout] 36aee9a957aebbddc4249637e38875ae4f1cfcb229456420514c3247fbd82501
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d5d50e583b1c90522658da0bf43e61e7a6579a57daa343781b9e988c5bc0d19
[INFO] running `Command { std: "docker" "start" "-a" "6d5d50e583b1c90522658da0bf43e61e7a6579a57daa343781b9e988c5bc0d19", kill_on_drop: false }`
[INFO] [stderr]    Compiling microrust v0.0.0-alpha.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "6d5d50e583b1c90522658da0bf43e61e7a6579a57daa343781b9e988c5bc0d19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d5d50e583b1c90522658da0bf43e61e7a6579a57daa343781b9e988c5bc0d19", kill_on_drop: false }`
[INFO] [stdout] 6d5d50e583b1c90522658da0bf43e61e7a6579a57daa343781b9e988c5bc0d19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4d62f579d55c991988ebe4cafb5d6ebf7c8413a51a194830b5bfb387f5de2dce
[INFO] running `Command { std: "docker" "start" "-a" "4d62f579d55c991988ebe4cafb5d6ebf7c8413a51a194830b5bfb387f5de2dce", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/microrust-5cb0cfa925ccddbe)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests microrust
[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" "4d62f579d55c991988ebe4cafb5d6ebf7c8413a51a194830b5bfb387f5de2dce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d62f579d55c991988ebe4cafb5d6ebf7c8413a51a194830b5bfb387f5de2dce", kill_on_drop: false }`
[INFO] [stdout] 4d62f579d55c991988ebe4cafb5d6ebf7c8413a51a194830b5bfb387f5de2dce