[INFO] fetching crate substrate-serializer 1.0.0...
[INFO] testing substrate-serializer-1.0.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate substrate-serializer 1.0.0 into /workspace/builds/worker-72/source
[INFO] validating manifest of crates.io crate substrate-serializer 1.0.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate substrate-serializer 1.0.0
[INFO] finished tweaking crates.io crate substrate-serializer 1.0.0
[INFO] tweaked toml for crates.io crate substrate-serializer 1.0.0 written to /workspace/builds/worker-72/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5f39637b5ba73def210d2aec4d20fa45cd0daa8861e2180f9832b0cf0f8d77c
[INFO] running `Command { std: "docker" "start" "-a" "b5f39637b5ba73def210d2aec4d20fa45cd0daa8861e2180f9832b0cf0f8d77c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5f39637b5ba73def210d2aec4d20fa45cd0daa8861e2180f9832b0cf0f8d77c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5f39637b5ba73def210d2aec4d20fa45cd0daa8861e2180f9832b0cf0f8d77c", kill_on_drop: false }`
[INFO] [stdout] b5f39637b5ba73def210d2aec4d20fa45cd0daa8861e2180f9832b0cf0f8d77c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62e86f82b76b5dd2fd770757168891888b631713e0c0b864a82a2f305e02b22e
[INFO] running `Command { std: "docker" "start" "-a" "62e86f82b76b5dd2fd770757168891888b631713e0c0b864a82a2f305e02b22e", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling substrate-serializer v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.05s
[INFO] running `Command { std: "docker" "inspect" "62e86f82b76b5dd2fd770757168891888b631713e0c0b864a82a2f305e02b22e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62e86f82b76b5dd2fd770757168891888b631713e0c0b864a82a2f305e02b22e", kill_on_drop: false }`
[INFO] [stdout] 62e86f82b76b5dd2fd770757168891888b631713e0c0b864a82a2f305e02b22e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55e01a48706cc5e80f4b7d45a2b368d4709413dfc198c8f40e38f70f2c35e695
[INFO] running `Command { std: "docker" "start" "-a" "55e01a48706cc5e80f4b7d45a2b368d4709413dfc198c8f40e38f70f2c35e695", kill_on_drop: false }`
[INFO] [stderr]    Compiling substrate-serializer v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "55e01a48706cc5e80f4b7d45a2b368d4709413dfc198c8f40e38f70f2c35e695", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55e01a48706cc5e80f4b7d45a2b368d4709413dfc198c8f40e38f70f2c35e695", kill_on_drop: false }`
[INFO] [stdout] 55e01a48706cc5e80f4b7d45a2b368d4709413dfc198c8f40e38f70f2c35e695
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e7d30d3cc529d7d3cf4f2d13ec7929c456e4e7692ee6ddf6c561de1cc9890123
[INFO] running `Command { std: "docker" "start" "-a" "e7d30d3cc529d7d3cf4f2d13ec7929c456e4e7692ee6ddf6c561de1cc9890123", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/substrate_serializer-08ef5e5ddf2a66e9)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests substrate-serializer
[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" "e7d30d3cc529d7d3cf4f2d13ec7929c456e4e7692ee6ddf6c561de1cc9890123", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7d30d3cc529d7d3cf4f2d13ec7929c456e4e7692ee6ddf6c561de1cc9890123", kill_on_drop: false }`
[INFO] [stdout] e7d30d3cc529d7d3cf4f2d13ec7929c456e4e7692ee6ddf6c561de1cc9890123