[INFO] fetching crate worker 1.0.0...
[INFO] testing worker-1.0.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate worker 1.0.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate worker 1.0.0 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 worker 1.0.0
[INFO] finished tweaking crates.io crate worker 1.0.0
[INFO] tweaked toml for crates.io crate worker 1.0.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa0e1052c5821f89cadb869b04bec18c29f0e21b6ee40136c4f7378a0efa6fcc
[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" "aa0e1052c5821f89cadb869b04bec18c29f0e21b6ee40136c4f7378a0efa6fcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa0e1052c5821f89cadb869b04bec18c29f0e21b6ee40136c4f7378a0efa6fcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa0e1052c5821f89cadb869b04bec18c29f0e21b6ee40136c4f7378a0efa6fcc", kill_on_drop: false }`
[INFO] [stdout] aa0e1052c5821f89cadb869b04bec18c29f0e21b6ee40136c4f7378a0efa6fcc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51a35e8a8b849ce4728aa839625b039b79e3bb0f2158bd94f8e474680e18fa7a
[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" "51a35e8a8b849ce4728aa839625b039b79e3bb0f2158bd94f8e474680e18fa7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling worker v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "51a35e8a8b849ce4728aa839625b039b79e3bb0f2158bd94f8e474680e18fa7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51a35e8a8b849ce4728aa839625b039b79e3bb0f2158bd94f8e474680e18fa7a", kill_on_drop: false }`
[INFO] [stdout] 51a35e8a8b849ce4728aa839625b039b79e3bb0f2158bd94f8e474680e18fa7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c05802d0e40104c6ef51323ac9cb46cbbd7712b0824897ac9d53f2badeb9e96
[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" "1c05802d0e40104c6ef51323ac9cb46cbbd7712b0824897ac9d53f2badeb9e96", kill_on_drop: false }`
[INFO] [stderr]    Compiling worker v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `Command { std: "docker" "inspect" "1c05802d0e40104c6ef51323ac9cb46cbbd7712b0824897ac9d53f2badeb9e96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c05802d0e40104c6ef51323ac9cb46cbbd7712b0824897ac9d53f2badeb9e96", kill_on_drop: false }`
[INFO] [stdout] 1c05802d0e40104c6ef51323ac9cb46cbbd7712b0824897ac9d53f2badeb9e96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", 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] c210aa8c849e7f4a53f9d0e0ac27d88f7c9cbeb36bcfb75cdd680e86fb418bc5
[INFO] running `Command { std: "docker" "start" "-a" "c210aa8c849e7f4a53f9d0e0ac27d88f7c9cbeb36bcfb75cdd680e86fb418bc5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/worker-248859eba4d22507
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_single_worker ... ok
[INFO] [stdout] test tests::test_multiple_worker ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests worker
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - Worker (line 13) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - Worker (line 13) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Worker`
[INFO] [stdout]  --> src/lib.rs:14:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut w = Worker::<&'static str>::single(move |r| {
[INFO] [stdout]   |             ^^^^^^ use of undeclared type `Worker`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - Worker (line 13)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "c210aa8c849e7f4a53f9d0e0ac27d88f7c9cbeb36bcfb75cdd680e86fb418bc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c210aa8c849e7f4a53f9d0e0ac27d88f7c9cbeb36bcfb75cdd680e86fb418bc5", kill_on_drop: false }`
[INFO] [stdout] c210aa8c849e7f4a53f9d0e0ac27d88f7c9cbeb36bcfb75cdd680e86fb418bc5