[INFO] fetching crate rstack 0.3.2...
[INFO] testing rstack-0.3.2 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate rstack 0.3.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate rstack 0.3.2 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 rstack 0.3.2
[INFO] finished tweaking crates.io crate rstack 0.3.2
[INFO] tweaked toml for crates.io crate rstack 0.3.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate rstack 0.3.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] bca4ea32800735bc1ce54e5629d6bbd3e37aff4795c0eabfd6c624931851db4b
[INFO] running `Command { std: "docker" "start" "-a" "bca4ea32800735bc1ce54e5629d6bbd3e37aff4795c0eabfd6c624931851db4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bca4ea32800735bc1ce54e5629d6bbd3e37aff4795c0eabfd6c624931851db4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bca4ea32800735bc1ce54e5629d6bbd3e37aff4795c0eabfd6c624931851db4b", kill_on_drop: false }`
[INFO] [stdout] bca4ea32800735bc1ce54e5629d6bbd3e37aff4795c0eabfd6c624931851db4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 3480b751467b3afe7d043c3691c3d24e0cf5ae03f3997956a72697f3dd1494bc
[INFO] running `Command { std: "docker" "start" "-a" "3480b751467b3afe7d043c3691c3d24e0cf5ae03f3997956a72697f3dd1494bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling unwind v0.4.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling foreign-types-shared v0.3.0
[INFO] [stderr]    Compiling unwind-sys v0.1.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling foreign-types-macros v0.2.1
[INFO] [stderr]    Compiling foreign-types v0.5.0
[INFO] [stderr]    Compiling rstack v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.95s
[INFO] running `Command { std: "docker" "inspect" "3480b751467b3afe7d043c3691c3d24e0cf5ae03f3997956a72697f3dd1494bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3480b751467b3afe7d043c3691c3d24e0cf5ae03f3997956a72697f3dd1494bc", kill_on_drop: false }`
[INFO] [stdout] 3480b751467b3afe7d043c3691c3d24e0cf5ae03f3997956a72697f3dd1494bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 8d5653243d233c31cb1577d0166cb6ee0725fbbba0b7c25a2a52ade720b6a9e6
[INFO] running `Command { std: "docker" "start" "-a" "8d5653243d233c31cb1577d0166cb6ee0725fbbba0b7c25a2a52ade720b6a9e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling rstack v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "8d5653243d233c31cb1577d0166cb6ee0725fbbba0b7c25a2a52ade720b6a9e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d5653243d233c31cb1577d0166cb6ee0725fbbba0b7c25a2a52ade720b6a9e6", kill_on_drop: false }`
[INFO] [stdout] 8d5653243d233c31cb1577d0166cb6ee0725fbbba0b7c25a2a52ade720b6a9e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] e54699a3d45f0c04b317b695cb772b1914df1d79751d7f6d1755e184674d9e42
[INFO] running `Command { std: "docker" "start" "-a" "e54699a3d45f0c04b317b695cb772b1914df1d79751d7f6d1755e184674d9e42", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rstack-bc1cca671d59431f)
[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] [stderr]    Doc-tests rstack
[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" "e54699a3d45f0c04b317b695cb772b1914df1d79751d7f6d1755e184674d9e42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e54699a3d45f0c04b317b695cb772b1914df1d79751d7f6d1755e184674d9e42", kill_on_drop: false }`
[INFO] [stdout] e54699a3d45f0c04b317b695cb772b1914df1d79751d7f6d1755e184674d9e42