[INFO] fetching crate embedded-io 0.7.1...
[INFO] testing embedded-io-0.7.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate embedded-io 0.7.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate embedded-io 0.7.1
[INFO] finished tweaking crates.io crate embedded-io 0.7.1
[INFO] tweaked toml for crates.io crate embedded-io 0.7.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate embedded-io 0.7.1 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 embedded-io 0.7.1 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] 3b6d51ebe82eae09a4cdd1f33aa421b30501eb0a54a917bbe40c4a124475158e
[INFO] running `Command { std: "docker" "start" "-a" "3b6d51ebe82eae09a4cdd1f33aa421b30501eb0a54a917bbe40c4a124475158e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b6d51ebe82eae09a4cdd1f33aa421b30501eb0a54a917bbe40c4a124475158e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b6d51ebe82eae09a4cdd1f33aa421b30501eb0a54a917bbe40c4a124475158e", kill_on_drop: false }`
[INFO] [stdout] 3b6d51ebe82eae09a4cdd1f33aa421b30501eb0a54a917bbe40c4a124475158e
[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] b1f1a9dbb379bdadd3a2736de4b85a71fa4f3dc0ba7aac610d444822ae93e79f
[INFO] running `Command { std: "docker" "start" "-a" "b1f1a9dbb379bdadd3a2736de4b85a71fa4f3dc0ba7aac610d444822ae93e79f", kill_on_drop: false }`
[INFO] [stderr]    Compiling embedded-io v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "b1f1a9dbb379bdadd3a2736de4b85a71fa4f3dc0ba7aac610d444822ae93e79f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1f1a9dbb379bdadd3a2736de4b85a71fa4f3dc0ba7aac610d444822ae93e79f", kill_on_drop: false }`
[INFO] [stdout] b1f1a9dbb379bdadd3a2736de4b85a71fa4f3dc0ba7aac610d444822ae93e79f
[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] 254445944d8cc906d18717ae6c1c40300102592cccb0cca52fc19c5dc36e588f
[INFO] running `Command { std: "docker" "start" "-a" "254445944d8cc906d18717ae6c1c40300102592cccb0cca52fc19c5dc36e588f", kill_on_drop: false }`
[INFO] [stderr]    Compiling embedded-io v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "254445944d8cc906d18717ae6c1c40300102592cccb0cca52fc19c5dc36e588f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "254445944d8cc906d18717ae6c1c40300102592cccb0cca52fc19c5dc36e588f", kill_on_drop: false }`
[INFO] [stdout] 254445944d8cc906d18717ae6c1c40300102592cccb0cca52fc19c5dc36e588f
[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] a6a2e6eb985e16133ca335ef6808787996bc7943abe61586d7ba7f64d34b055d
[INFO] running `Command { std: "docker" "start" "-a" "a6a2e6eb985e16133ca335ef6808787996bc7943abe61586d7ba7f64d34b055d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/embedded_io-38e0dad8c9e88bdf)
[INFO] [stderr]    Doc-tests embedded_io
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - Write::write_fmt (line 433) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.30s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a6a2e6eb985e16133ca335ef6808787996bc7943abe61586d7ba7f64d34b055d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6a2e6eb985e16133ca335ef6808787996bc7943abe61586d7ba7f64d34b055d", kill_on_drop: false }`
[INFO] [stdout] a6a2e6eb985e16133ca335ef6808787996bc7943abe61586d7ba7f64d34b055d