[INFO] fetching crate snaptest 0.2.0...
[INFO] testing snaptest-0.2.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate snaptest 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate snaptest 0.2.0 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 snaptest 0.2.0
[INFO] finished tweaking crates.io crate snaptest 0.2.0
[INFO] tweaked toml for crates.io crate snaptest 0.2.0 written to /workspace/builds/worker-6/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] d6c69927042daaa7f7015af247533a5c642d4631777bbbea501610664647751c
[INFO] running `Command { std: "docker" "start" "-a" "d6c69927042daaa7f7015af247533a5c642d4631777bbbea501610664647751c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6c69927042daaa7f7015af247533a5c642d4631777bbbea501610664647751c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6c69927042daaa7f7015af247533a5c642d4631777bbbea501610664647751c", kill_on_drop: false }`
[INFO] [stdout] d6c69927042daaa7f7015af247533a5c642d4631777bbbea501610664647751c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 4c8ad8c8db1e2f235d22de76b81dd82994a8b68623d8e84a7efc5a1b65ec15ee
[INFO] running `Command { std: "docker" "start" "-a" "4c8ad8c8db1e2f235d22de76b81dd82994a8b68623d8e84a7efc5a1b65ec15ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling trail v0.1.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]    Compiling addr2line v0.17.0
[INFO] [stderr]    Compiling skittles v0.1.0
[INFO] [stderr]    Compiling object v0.27.1
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling snaptest v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.32s
[INFO] running `Command { std: "docker" "inspect" "4c8ad8c8db1e2f235d22de76b81dd82994a8b68623d8e84a7efc5a1b65ec15ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c8ad8c8db1e2f235d22de76b81dd82994a8b68623d8e84a7efc5a1b65ec15ee", kill_on_drop: false }`
[INFO] [stdout] 4c8ad8c8db1e2f235d22de76b81dd82994a8b68623d8e84a7efc5a1b65ec15ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 5ff99e27a5faaf9bd789037a3fac25e46c6a382428f4e3a6781019826dc2f10e
[INFO] running `Command { std: "docker" "start" "-a" "5ff99e27a5faaf9bd789037a3fac25e46c6a382428f4e3a6781019826dc2f10e", kill_on_drop: false }`
[INFO] [stderr]    Compiling snaptest v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `Command { std: "docker" "inspect" "5ff99e27a5faaf9bd789037a3fac25e46c6a382428f4e3a6781019826dc2f10e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ff99e27a5faaf9bd789037a3fac25e46c6a382428f4e3a6781019826dc2f10e", kill_on_drop: false }`
[INFO] [stdout] 5ff99e27a5faaf9bd789037a3fac25e46c6a382428f4e3a6781019826dc2f10e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 4d6eb0482e656bf36ba8388659be76de0a428ce4e1505210dfaa29388ddca5d9
[INFO] running `Command { std: "docker" "start" "-a" "4d6eb0482e656bf36ba8388659be76de0a428ce4e1505210dfaa29388ddca5d9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/snaptest-496d25ab0b68aa12)
[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] [stderr]    Doc-tests snaptest
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/macros.rs - macros::snaptest (line 3) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.35s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4d6eb0482e656bf36ba8388659be76de0a428ce4e1505210dfaa29388ddca5d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d6eb0482e656bf36ba8388659be76de0a428ce4e1505210dfaa29388ddca5d9", kill_on_drop: false }`
[INFO] [stdout] 4d6eb0482e656bf36ba8388659be76de0a428ce4e1505210dfaa29388ddca5d9