[INFO] fetching crate mid 3.0.7...
[INFO] testing mid-3.0.7 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate mid 3.0.7 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate mid 3.0.7
[INFO] finished tweaking crates.io crate mid 3.0.7
[INFO] tweaked toml for crates.io crate mid 3.0.7 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mid 3.0.7 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mid 3.0.7 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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c1b805f61acc77e060eaf3bd19c3055b51ee510b09f97f0a7bdcea1b4f71db54
[INFO] running `Command { std: "docker" "start" "-a" "c1b805f61acc77e060eaf3bd19c3055b51ee510b09f97f0a7bdcea1b4f71db54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1b805f61acc77e060eaf3bd19c3055b51ee510b09f97f0a7bdcea1b4f71db54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1b805f61acc77e060eaf3bd19c3055b51ee510b09f97f0a7bdcea1b4f71db54", kill_on_drop: false }`
[INFO] [stdout] c1b805f61acc77e060eaf3bd19c3055b51ee510b09f97f0a7bdcea1b4f71db54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42cc32c506e441c9c9f467a4d5771869ab608f25a469780d510b505605ec55c1
[INFO] running `Command { std: "docker" "start" "-a" "42cc32c506e441c9c9f467a4d5771869ab608f25a469780d510b505605ec55c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling hmac-sha256 v1.1.12
[INFO] [stderr]    Compiling mid v3.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "42cc32c506e441c9c9f467a4d5771869ab608f25a469780d510b505605ec55c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42cc32c506e441c9c9f467a4d5771869ab608f25a469780d510b505605ec55c1", kill_on_drop: false }`
[INFO] [stdout] 42cc32c506e441c9c9f467a4d5771869ab608f25a469780d510b505605ec55c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37239760f8fe0ef47a0738fb0971f1c988dd58045e24894a04ecda3661068efe
[INFO] running `Command { std: "docker" "start" "-a" "37239760f8fe0ef47a0738fb0971f1c988dd58045e24894a04ecda3661068efe", kill_on_drop: false }`
[INFO] [stderr]    Compiling mid v3.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "37239760f8fe0ef47a0738fb0971f1c988dd58045e24894a04ecda3661068efe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37239760f8fe0ef47a0738fb0971f1c988dd58045e24894a04ecda3661068efe", kill_on_drop: false }`
[INFO] [stdout] 37239760f8fe0ef47a0738fb0971f1c988dd58045e24894a04ecda3661068efe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 193a911a5a27e100da1387fe31323582f6ed8fc2f1c554411bc02db891512130
[INFO] running `Command { std: "docker" "start" "-a" "193a911a5a27e100da1387fe31323582f6ed8fc2f1c554411bc02db891512130", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mid-8dd99111766febc0)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_mid_operations ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "193a911a5a27e100da1387fe31323582f6ed8fc2f1c554411bc02db891512130", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "193a911a5a27e100da1387fe31323582f6ed8fc2f1c554411bc02db891512130", kill_on_drop: false }`
[INFO] [stdout] 193a911a5a27e100da1387fe31323582f6ed8fc2f1c554411bc02db891512130