[INFO] fetching crate save 0.6.0-dev.1...
[INFO] testing save-0.6.0-dev.1 against 1.59.0 for beta-1.60-1
[INFO] extracting crate save 0.6.0-dev.1 into /workspace/builds/worker-19/source
[INFO] validating manifest of crates.io crate save 0.6.0-dev.1 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] removed /workspace/builds/worker-19/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-19/source/rust-toolchain
[INFO] started tweaking crates.io crate save 0.6.0-dev.1
[INFO] finished tweaking crates.io crate save 0.6.0-dev.1
[INFO] tweaked toml for crates.io crate save 0.6.0-dev.1 written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] crate crates.io crate save 0.6.0-dev.1 already has a lockfile, it will not be regenerated
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] 21c3b38654268f9b516cec5d9b51ba38b3465b658f4cedbb6f581246a05eb15c
[INFO] running `Command { std: "docker" "start" "-a" "21c3b38654268f9b516cec5d9b51ba38b3465b658f4cedbb6f581246a05eb15c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21c3b38654268f9b516cec5d9b51ba38b3465b658f4cedbb6f581246a05eb15c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21c3b38654268f9b516cec5d9b51ba38b3465b658f4cedbb6f581246a05eb15c", kill_on_drop: false }`
[INFO] [stdout] 21c3b38654268f9b516cec5d9b51ba38b3465b658f4cedbb6f581246a05eb15c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] 4579f47372eb26d414469b36be13443a8acb9c14c67d052927e01356aff2047b
[INFO] running `Command { std: "docker" "start" "-a" "4579f47372eb26d414469b36be13443a8acb9c14c67d052927e01356aff2047b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling crossbeam-utils v0.8.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.6
[INFO] [stderr]    Compiling eyre v0.6.5
[INFO] [stderr]    Compiling indenter v0.3.3
[INFO] [stderr]    Compiling owo-colors v3.2.0
[INFO] [stderr]    Compiling fastrand v1.6.0
[INFO] [stderr]    Compiling fixedbitset v0.4.1
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling thousands v0.2.0
[INFO] [stderr]    Compiling home v0.5.3
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling tracing-core v0.1.21
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling matchers v0.1.0
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling os_str_bytes v6.0.0
[INFO] [stderr]    Compiling block-buffer v0.10.0
[INFO] [stderr]    Compiling crypto-common v0.1.1
[INFO] [stderr]    Compiling digest v0.10.1
[INFO] [stderr]    Compiling tracing-log v0.1.2
[INFO] [stderr]    Compiling sha-1 v0.10.0
[INFO] [stderr]    Compiling sha2 v0.10.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling crossbeam-channel v0.5.2
[INFO] [stderr]    Compiling petgraph v0.6.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling getrandom v0.2.4
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling textwrap v0.14.2
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_pcg v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]    Compiling libssh2-sys v0.2.23
[INFO] [stderr]    Compiling backtrace v0.3.63
[INFO] [stderr]    Compiling libgit2-sys v0.12.26+1.3.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]    Compiling clap_derive v3.0.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling git2 v0.13.25
[INFO] [stderr]    Compiling tracing v0.1.29
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling tracing-subscriber v0.3.6
[INFO] [stderr]    Compiling clap v3.0.9
[INFO] [stderr]    Compiling tracing-error v0.2.0
[INFO] [stderr]    Compiling color-spantrace v0.2.0
[INFO] [stderr]    Compiling color-eyre v0.6.0
[INFO] [stderr]    Compiling save v0.6.0-dev.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.87s
[INFO] running `Command { std: "docker" "inspect" "4579f47372eb26d414469b36be13443a8acb9c14c67d052927e01356aff2047b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4579f47372eb26d414469b36be13443a8acb9c14c67d052927e01356aff2047b", kill_on_drop: false }`
[INFO] [stdout] 4579f47372eb26d414469b36be13443a8acb9c14c67d052927e01356aff2047b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] d40640a2559bd5f8f3ceaa642404235c01bb74a626ef81bce05d1105968a10a9
[INFO] running `Command { std: "docker" "start" "-a" "d40640a2559bd5f8f3ceaa642404235c01bb74a626ef81bce05d1105968a10a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]    Compiling serde_json v1.0.75
[INFO] [stderr]    Compiling signal-hook v0.3.13
[INFO] [stderr]    Compiling serde_derive v1.0.133
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling iai v0.1.1
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling signal-hook-mio v0.2.1
[INFO] [stderr]    Compiling crossterm v0.22.1
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling save v0.6.0-dev.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 17.87s
[INFO] running `Command { std: "docker" "inspect" "d40640a2559bd5f8f3ceaa642404235c01bb74a626ef81bce05d1105968a10a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d40640a2559bd5f8f3ceaa642404235c01bb74a626ef81bce05d1105968a10a9", kill_on_drop: false }`
[INFO] [stdout] d40640a2559bd5f8f3ceaa642404235c01bb74a626ef81bce05d1105968a10a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] 697afb8fe559bf29dc3a23edbf1e0effb255f5c420497f5cc1610fce21d9a96d
[INFO] running `Command { std: "docker" "start" "-a" "697afb8fe559bf29dc3a23edbf1e0effb255f5c420497f5cc1610fce21d9a96d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/save-da1898ace4ad244d)
[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]      Running unittests (/opt/rustwide/target/debug/deps/save-6c89a3498efff362)
[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 save
[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" "697afb8fe559bf29dc3a23edbf1e0effb255f5c420497f5cc1610fce21d9a96d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "697afb8fe559bf29dc3a23edbf1e0effb255f5c420497f5cc1610fce21d9a96d", kill_on_drop: false }`
[INFO] [stdout] 697afb8fe559bf29dc3a23edbf1e0effb255f5c420497f5cc1610fce21d9a96d