[INFO] fetching crate tb-303 0.0.0...
[INFO] testing tb-303-0.0.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate tb-303 0.0.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate tb-303 0.0.0 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tb-303 0.0.0
[INFO] finished tweaking crates.io crate tb-303 0.0.0
[INFO] tweaked toml for crates.io crate tb-303 0.0.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 18a16b347eb8fbb5b2436d6e7ac79a9466cfda042545362cc32595d90bca50b9
[INFO] running `Command { std: "docker" "start" "-a" "18a16b347eb8fbb5b2436d6e7ac79a9466cfda042545362cc32595d90bca50b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18a16b347eb8fbb5b2436d6e7ac79a9466cfda042545362cc32595d90bca50b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18a16b347eb8fbb5b2436d6e7ac79a9466cfda042545362cc32595d90bca50b9", kill_on_drop: false }`
[INFO] [stdout] 18a16b347eb8fbb5b2436d6e7ac79a9466cfda042545362cc32595d90bca50b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88c2073ac499f1dca56a2dc7a8df1afe4a1f6d9aef0e354d7a7d1a2a50b9f840
[INFO] running `Command { std: "docker" "start" "-a" "88c2073ac499f1dca56a2dc7a8df1afe4a1f6d9aef0e354d7a7d1a2a50b9f840", kill_on_drop: false }`
[INFO] [stderr]    Compiling tb-303 v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "88c2073ac499f1dca56a2dc7a8df1afe4a1f6d9aef0e354d7a7d1a2a50b9f840", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88c2073ac499f1dca56a2dc7a8df1afe4a1f6d9aef0e354d7a7d1a2a50b9f840", kill_on_drop: false }`
[INFO] [stdout] 88c2073ac499f1dca56a2dc7a8df1afe4a1f6d9aef0e354d7a7d1a2a50b9f840
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6757e36798a02498e4516479b840deab22cf0b643c4c2caa215f98b39336525d
[INFO] running `Command { std: "docker" "start" "-a" "6757e36798a02498e4516479b840deab22cf0b643c4c2caa215f98b39336525d", kill_on_drop: false }`
[INFO] [stderr]    Compiling tb-303 v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "6757e36798a02498e4516479b840deab22cf0b643c4c2caa215f98b39336525d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6757e36798a02498e4516479b840deab22cf0b643c4c2caa215f98b39336525d", kill_on_drop: false }`
[INFO] [stdout] 6757e36798a02498e4516479b840deab22cf0b643c4c2caa215f98b39336525d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 955c5cb7c4aa391fa7db97e5bc6b9ed536748736e2acb38e87845d7adcf56a72
[INFO] running `Command { std: "docker" "start" "-a" "955c5cb7c4aa391fa7db97e5bc6b9ed536748736e2acb38e87845d7adcf56a72", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tb_303-62bd4e4ea8e37aa1)
[INFO] [stderr]    Doc-tests tb-303
[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 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" "955c5cb7c4aa391fa7db97e5bc6b9ed536748736e2acb38e87845d7adcf56a72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "955c5cb7c4aa391fa7db97e5bc6b9ed536748736e2acb38e87845d7adcf56a72", kill_on_drop: false }`
[INFO] [stdout] 955c5cb7c4aa391fa7db97e5bc6b9ed536748736e2acb38e87845d7adcf56a72