[INFO] fetching crate imag-tag 0.10.1...
[INFO] testing imag-tag-0.10.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate imag-tag 0.10.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate imag-tag 0.10.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate imag-tag 0.10.1
[INFO] finished tweaking crates.io crate imag-tag 0.10.1
[INFO] tweaked toml for crates.io crate imag-tag 0.10.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate imag-tag 0.10.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e5609453f18168dd847519002ca6b8ad36cda6fc9dbabac92da00163d355abd9
[INFO] running `Command { std: "docker" "start" "-a" "e5609453f18168dd847519002ca6b8ad36cda6fc9dbabac92da00163d355abd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5609453f18168dd847519002ca6b8ad36cda6fc9dbabac92da00163d355abd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5609453f18168dd847519002ca6b8ad36cda6fc9dbabac92da00163d355abd9", kill_on_drop: false }`
[INFO] [stdout] e5609453f18168dd847519002ca6b8ad36cda6fc9dbabac92da00163d355abd9
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abe1723a91c163ac534a0ee384f982458ff189c077f74c8b98a39ff6e535878b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "abe1723a91c163ac534a0ee384f982458ff189c077f74c8b98a39ff6e535878b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling regex-syntax v0.6.14
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling is-match v0.1.0
[INFO] [stderr]    Compiling boolinator v2.4.0
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling filters v0.3.0
[INFO] [stderr]    Compiling xdg-basedir v1.0.0
[INFO] [stderr]    Compiling resiter v0.4.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling term_size v0.3.1
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling interactor v0.1.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling aho-corasick v0.7.9
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling backtrace v0.3.44
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling chrono v0.4.10
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling pest_generator v2.1.2
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling serde_json v1.0.48
[INFO] [stderr]    Compiling hashbrown v0.5.0
[INFO] [stderr]    Compiling libimagutil v0.10.1
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling darling_core v0.8.6
[INFO] [stderr]    Compiling handlebars v2.0.4
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling libimagerror v0.10.1
[INFO] [stderr]    Compiling darling_macro v0.8.6
[INFO] [stderr]    Compiling darling v0.8.6
[INFO] [stderr]    Compiling toml-query_derive v0.9.2
[INFO] [stderr]    Compiling toml-query v0.9.2
[INFO] [stderr]    Compiling libimagstore v0.10.1
[INFO] [stderr]    Compiling libimaginteraction v0.10.1
[INFO] [stderr]    Compiling libimagentrytag v0.10.1
[INFO] [stderr]    Compiling libimagrt v0.10.1
[INFO] [stderr]    Compiling imag-tag v0.10.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 18s
[INFO] running `Command { std: "docker" "inspect" "abe1723a91c163ac534a0ee384f982458ff189c077f74c8b98a39ff6e535878b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abe1723a91c163ac534a0ee384f982458ff189c077f74c8b98a39ff6e535878b", kill_on_drop: false }`
[INFO] [stdout] abe1723a91c163ac534a0ee384f982458ff189c077f74c8b98a39ff6e535878b
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c29f8c5bc8c4d3da538c105e0478e1c74b7a47d91e6bf1f83704aad3fc5b030e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c29f8c5bc8c4d3da538c105e0478e1c74b7a47d91e6bf1f83704aad3fc5b030e", kill_on_drop: false }`
[INFO] [stderr]    Compiling imag-tag v0.10.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.14s
[INFO] running `Command { std: "docker" "inspect" "c29f8c5bc8c4d3da538c105e0478e1c74b7a47d91e6bf1f83704aad3fc5b030e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c29f8c5bc8c4d3da538c105e0478e1c74b7a47d91e6bf1f83704aad3fc5b030e", kill_on_drop: false }`
[INFO] [stdout] c29f8c5bc8c4d3da538c105e0478e1c74b7a47d91e6bf1f83704aad3fc5b030e
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5572847b774106fb17c4f6d56517208b2692bfd4aae5ab0e6364ab9f4a9a963e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5572847b774106fb17c4f6d56517208b2692bfd4aae5ab0e6364ab9f4a9a963e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/libimagtagcmd-3e07ca691d595b28
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test-tag-add-adds-tags
[INFO] [stdout] test tests::test_tag_add_adds_tag ... ok
[INFO] [stdout] test-tag-remove-removes-but-doesnt-crash-on-nonexistent-tag
[INFO] [stdout] test tests::test_tag_remove_removes_but_doesnt_crash_on_nonexistent_tag ... ok
[INFO] [stdout] test-tag-remove-removes-tag
[INFO] [stdout] test tests::test_tag_remove_removes_tag ... ok
[INFO] [stdout] test-tag-remove-removes-only-to-remove-tag-doesnt-crash-on-nonexistent-tag
[INFO] [stdout] test tests::test_tag_remove_removes_only_to_remove_tag ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/imag_tag-befba6fd5d49ae68
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests libimagtagcmd
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5572847b774106fb17c4f6d56517208b2692bfd4aae5ab0e6364ab9f4a9a963e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5572847b774106fb17c4f6d56517208b2692bfd4aae5ab0e6364ab9f4a9a963e", kill_on_drop: false }`
[INFO] [stdout] 5572847b774106fb17c4f6d56517208b2692bfd4aae5ab0e6364ab9f4a9a963e