[INFO] fetching crate niche 0.1.0...
[INFO] testing niche-0.1.0 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate niche 0.1.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate niche 0.1.0 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate niche 0.1.0
[INFO] finished tweaking crates.io crate niche 0.1.0
[INFO] tweaked toml for crates.io crate niche 0.1.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate niche 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f39f003d5805b1209530506361389cc8c0a4c805434931d4132683e85510305
[INFO] running `Command { std: "docker" "start" "-a" "6f39f003d5805b1209530506361389cc8c0a4c805434931d4132683e85510305", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f39f003d5805b1209530506361389cc8c0a4c805434931d4132683e85510305", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f39f003d5805b1209530506361389cc8c0a4c805434931d4132683e85510305", kill_on_drop: false }`
[INFO] [stdout] 6f39f003d5805b1209530506361389cc8c0a4c805434931d4132683e85510305
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ef92fdb4e667e732fc791c00885403b42ad027d6e2955c7354333e63df49d54
[INFO] running `Command { std: "docker" "start" "-a" "1ef92fdb4e667e732fc791c00885403b42ad027d6e2955c7354333e63df49d54", kill_on_drop: false }`
[INFO] [stderr]    Compiling niche v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "1ef92fdb4e667e732fc791c00885403b42ad027d6e2955c7354333e63df49d54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ef92fdb4e667e732fc791c00885403b42ad027d6e2955c7354333e63df49d54", kill_on_drop: false }`
[INFO] [stdout] 1ef92fdb4e667e732fc791c00885403b42ad027d6e2955c7354333e63df49d54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0846cd8469fd2a593812ffd22ba7e8d49bb52758bac74772f1c2a19f943dc799
[INFO] running `Command { std: "docker" "start" "-a" "0846cd8469fd2a593812ffd22ba7e8d49bb52758bac74772f1c2a19f943dc799", kill_on_drop: false }`
[INFO] [stderr]    Compiling niche v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "0846cd8469fd2a593812ffd22ba7e8d49bb52758bac74772f1c2a19f943dc799", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0846cd8469fd2a593812ffd22ba7e8d49bb52758bac74772f1c2a19f943dc799", kill_on_drop: false }`
[INFO] [stdout] 0846cd8469fd2a593812ffd22ba7e8d49bb52758bac74772f1c2a19f943dc799
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d070cd8ca56b3b720d186d05cafa8df4c9f9813a7ead9a73f0c808f459b61e92
[INFO] running `Command { std: "docker" "start" "-a" "d070cd8ca56b3b720d186d05cafa8df4c9f9813a7ead9a73f0c808f459b61e92", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/niche-ad0b9310d793b638)
[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" "d070cd8ca56b3b720d186d05cafa8df4c9f9813a7ead9a73f0c808f459b61e92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d070cd8ca56b3b720d186d05cafa8df4c9f9813a7ead9a73f0c808f459b61e92", kill_on_drop: false }`
[INFO] [stdout] d070cd8ca56b3b720d186d05cafa8df4c9f9813a7ead9a73f0c808f459b61e92