[INFO] fetching crate icu_plurals 0.1.0...
[INFO] testing icu_plurals-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate icu_plurals 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate icu_plurals 0.1.0 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 icu_plurals 0.1.0
[INFO] finished tweaking crates.io crate icu_plurals 0.1.0
[INFO] tweaked toml for crates.io crate icu_plurals 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate icu_plurals 0.1.0 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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] 8e7f2e11e141d382f3bece4d8179401c043182b722e8c41931fd4d8218770852
[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" "8e7f2e11e141d382f3bece4d8179401c043182b722e8c41931fd4d8218770852", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e7f2e11e141d382f3bece4d8179401c043182b722e8c41931fd4d8218770852", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e7f2e11e141d382f3bece4d8179401c043182b722e8c41931fd4d8218770852", kill_on_drop: false }`
[INFO] [stdout] 8e7f2e11e141d382f3bece4d8179401c043182b722e8c41931fd4d8218770852
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] e52fe7c760e69abef88d792a2c8bfa190d7d59ef2136d72c6133d06e892ae8bf
[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" "e52fe7c760e69abef88d792a2c8bfa190d7d59ef2136d72c6133d06e892ae8bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling fixed_decimal v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling erased-serde v0.3.12
[INFO] [stderr]    Compiling smallstr v0.2.0
[INFO] [stderr]    Compiling icu_locid v0.1.0
[INFO] [stderr]    Compiling icu_provider v0.1.0
[INFO] [stderr]    Compiling icu_plurals v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.98s
[INFO] running `Command { std: "docker" "inspect" "e52fe7c760e69abef88d792a2c8bfa190d7d59ef2136d72c6133d06e892ae8bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e52fe7c760e69abef88d792a2c8bfa190d7d59ef2136d72c6133d06e892ae8bf", kill_on_drop: false }`
[INFO] [stdout] e52fe7c760e69abef88d792a2c8bfa190d7d59ef2136d72c6133d06e892ae8bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 69f24dcfc94876bb333d8811db717ff5d72fcca86d979915ff908cfb5aeca8d5
[INFO] running `Command { std: "docker" "start" "-a" "69f24dcfc94876bb333d8811db717ff5d72fcca86d979915ff908cfb5aeca8d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling rayon-core v1.8.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling half v1.6.0
[INFO] [stderr]    Compiling regex-syntax v0.6.20
[INFO] [stderr]    Compiling oorandom v11.1.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling rayon v1.4.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling toml v0.5.7
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling tinytemplate v1.1.0
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling regex v1.4.1
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling plotters v0.2.15
[INFO] [stderr]    Compiling icu_locid_macros v0.1.0
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stderr]    Compiling icu_plurals v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `icu_testdata`
[INFO] [stdout]   --> examples/elevator_floors.rs:23:20
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let provider = icu_testdata::get_provider();
[INFO] [stdout]    |                    ^^^^^^^^^^^^ use of undeclared crate or module `icu_testdata`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `icu_testdata`
[INFO] [stdout]   --> examples/unread_emails.rs:22:20
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let provider = icu_testdata::get_provider();
[INFO] [stdout]    |                    ^^^^^^^^^^^^ use of undeclared crate or module `icu_testdata`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `icu_plurals`
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "69f24dcfc94876bb333d8811db717ff5d72fcca86d979915ff908cfb5aeca8d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69f24dcfc94876bb333d8811db717ff5d72fcca86d979915ff908cfb5aeca8d5", kill_on_drop: false }`
[INFO] [stdout] 69f24dcfc94876bb333d8811db717ff5d72fcca86d979915ff908cfb5aeca8d5