[INFO] fetching crate flatmap 0.0.0...
[INFO] testing flatmap-0.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate flatmap 0.0.0 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate flatmap 0.0.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flatmap 0.0.0
[INFO] finished tweaking crates.io crate flatmap 0.0.0
[INFO] tweaked toml for crates.io crate flatmap 0.0.0 written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b65b161c016e15dab788b32186d852820457c210945541d077155c0c6230854
[INFO] running `Command { std: "docker" "start" "-a" "0b65b161c016e15dab788b32186d852820457c210945541d077155c0c6230854", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b65b161c016e15dab788b32186d852820457c210945541d077155c0c6230854", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b65b161c016e15dab788b32186d852820457c210945541d077155c0c6230854", kill_on_drop: false }`
[INFO] [stdout] 0b65b161c016e15dab788b32186d852820457c210945541d077155c0c6230854
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f438724ee4f903e480e3413359e448008cd81bcf02e14712ad5ca91918c86018
[INFO] running `Command { std: "docker" "start" "-a" "f438724ee4f903e480e3413359e448008cd81bcf02e14712ad5ca91918c86018", kill_on_drop: false }`
[INFO] [stderr]    Compiling flatmap v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "f438724ee4f903e480e3413359e448008cd81bcf02e14712ad5ca91918c86018", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f438724ee4f903e480e3413359e448008cd81bcf02e14712ad5ca91918c86018", kill_on_drop: false }`
[INFO] [stdout] f438724ee4f903e480e3413359e448008cd81bcf02e14712ad5ca91918c86018
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bbe5e7a108148ab73d7bab4d8b448b39187370e40e9cd835724eb3a753f0ab3c
[INFO] running `Command { std: "docker" "start" "-a" "bbe5e7a108148ab73d7bab4d8b448b39187370e40e9cd835724eb3a753f0ab3c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling flatmap v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "bbe5e7a108148ab73d7bab4d8b448b39187370e40e9cd835724eb3a753f0ab3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbe5e7a108148ab73d7bab4d8b448b39187370e40e9cd835724eb3a753f0ab3c", kill_on_drop: false }`
[INFO] [stdout] bbe5e7a108148ab73d7bab4d8b448b39187370e40e9cd835724eb3a753f0ab3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f3cf8bcc6402f69a68cc33ae4be6377da1090db33fbf7065aacc8218d10b1118
[INFO] running `Command { std: "docker" "start" "-a" "f3cf8bcc6402f69a68cc33ae4be6377da1090db33fbf7065aacc8218d10b1118", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/flatmap-c07acfb4c0ece167)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests flatmap
[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" "f3cf8bcc6402f69a68cc33ae4be6377da1090db33fbf7065aacc8218d10b1118", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3cf8bcc6402f69a68cc33ae4be6377da1090db33fbf7065aacc8218d10b1118", kill_on_drop: false }`
[INFO] [stdout] f3cf8bcc6402f69a68cc33ae4be6377da1090db33fbf7065aacc8218d10b1118