[INFO] fetching crate seqlock 0.1.2...
[INFO] testing seqlock-0.1.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate seqlock 0.1.2 into /workspace/builds/worker-69/source
[INFO] validating manifest of crates.io crate seqlock 0.1.2 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 seqlock 0.1.2
[INFO] finished tweaking crates.io crate seqlock 0.1.2
[INFO] tweaked toml for crates.io crate seqlock 0.1.2 written to /workspace/builds/worker-69/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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] d16d708db1a8fff35085eb6d551928e0b0fbff96b1c2e8fc72fd298a1b28651c
[INFO] running `Command { std: "docker" "start" "-a" "d16d708db1a8fff35085eb6d551928e0b0fbff96b1c2e8fc72fd298a1b28651c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d16d708db1a8fff35085eb6d551928e0b0fbff96b1c2e8fc72fd298a1b28651c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d16d708db1a8fff35085eb6d551928e0b0fbff96b1c2e8fc72fd298a1b28651c", kill_on_drop: false }`
[INFO] [stdout] d16d708db1a8fff35085eb6d551928e0b0fbff96b1c2e8fc72fd298a1b28651c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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] a3832522637f4a805cf2b57489e235bf9f8304e922c2c769bad9a92e82fa1bc6
[INFO] running `Command { std: "docker" "start" "-a" "a3832522637f4a805cf2b57489e235bf9f8304e922c2c769bad9a92e82fa1bc6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling instant v0.1.10
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling seqlock v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.72s
[INFO] running `Command { std: "docker" "inspect" "a3832522637f4a805cf2b57489e235bf9f8304e922c2c769bad9a92e82fa1bc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3832522637f4a805cf2b57489e235bf9f8304e922c2c769bad9a92e82fa1bc6", kill_on_drop: false }`
[INFO] [stdout] a3832522637f4a805cf2b57489e235bf9f8304e922c2c769bad9a92e82fa1bc6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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] fa9f93943ae8dc0f8fcab6eb7b15fb7f394c0a6f16ca4834f7e69c6d718e2f4b
[INFO] running `Command { std: "docker" "start" "-a" "fa9f93943ae8dc0f8fcab6eb7b15fb7f394c0a6f16ca4834f7e69c6d718e2f4b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling seqlock v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.61s
[INFO] running `Command { std: "docker" "inspect" "fa9f93943ae8dc0f8fcab6eb7b15fb7f394c0a6f16ca4834f7e69c6d718e2f4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa9f93943ae8dc0f8fcab6eb7b15fb7f394c0a6f16ca4834f7e69c6d718e2f4b", kill_on_drop: false }`
[INFO] [stdout] fa9f93943ae8dc0f8fcab6eb7b15fb7f394c0a6f16ca4834f7e69c6d718e2f4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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] 2cbb0291bde343b8f611c1df70f487f62b3cbd576191ac69cfbcc61034fac163
[INFO] running `Command { std: "docker" "start" "-a" "2cbb0291bde343b8f611c1df70f487f62b3cbd576191ac69cfbcc61034fac163", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/seqlock-a3a668d207380de6)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests seqlock
[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 - (line 44) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.53s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2cbb0291bde343b8f611c1df70f487f62b3cbd576191ac69cfbcc61034fac163", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cbb0291bde343b8f611c1df70f487f62b3cbd576191ac69cfbcc61034fac163", kill_on_drop: false }`
[INFO] [stdout] 2cbb0291bde343b8f611c1df70f487f62b3cbd576191ac69cfbcc61034fac163