[INFO] fetching crate user-error 1.2.8...
[INFO] testing user-error-1.2.8 against 1.49.0 for beta-1.50-1
[INFO] extracting crate user-error 1.2.8 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate user-error 1.2.8 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 user-error 1.2.8
[INFO] finished tweaking crates.io crate user-error 1.2.8
[INFO] tweaked toml for crates.io crate user-error 1.2.8 written to /workspace/builds/worker-2/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 57849ddb295bcd9439d1feab3083619b8dae91a0a5320c9c226efcfe92b41793
[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" "57849ddb295bcd9439d1feab3083619b8dae91a0a5320c9c226efcfe92b41793", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57849ddb295bcd9439d1feab3083619b8dae91a0a5320c9c226efcfe92b41793", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57849ddb295bcd9439d1feab3083619b8dae91a0a5320c9c226efcfe92b41793", kill_on_drop: false }`
[INFO] [stdout] 57849ddb295bcd9439d1feab3083619b8dae91a0a5320c9c226efcfe92b41793
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] d8a27dc4706024445aee93d23e457b2b6a47145278c846a36bb17451504eb6da
[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" "d8a27dc4706024445aee93d23e457b2b6a47145278c846a36bb17451504eb6da", kill_on_drop: false }`
[INFO] [stderr]    Compiling user-error v1.2.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "d8a27dc4706024445aee93d23e457b2b6a47145278c846a36bb17451504eb6da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8a27dc4706024445aee93d23e457b2b6a47145278c846a36bb17451504eb6da", kill_on_drop: false }`
[INFO] [stdout] d8a27dc4706024445aee93d23e457b2b6a47145278c846a36bb17451504eb6da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] e45fd889297c5bdb410d0a5c588253e3e2276fc2481e93020a39da36a81943a8
[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" "e45fd889297c5bdb410d0a5c588253e3e2276fc2481e93020a39da36a81943a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling user-error v1.2.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `Command { std: "docker" "inspect" "e45fd889297c5bdb410d0a5c588253e3e2276fc2481e93020a39da36a81943a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e45fd889297c5bdb410d0a5c588253e3e2276fc2481e93020a39da36a81943a8", kill_on_drop: false }`
[INFO] [stdout] e45fd889297c5bdb410d0a5c588253e3e2276fc2481e93020a39da36a81943a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0620ba52348948ed60a6f796731064d4f625a80765af102ecf847595fb41cf45
[INFO] running `Command { std: "docker" "start" "-a" "0620ba52348948ed60a6f796731064d4f625a80765af102ecf847595fb41cf45", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 10 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/user_error-bb3b492b577f1e5f
[INFO] [stdout] test tests::new_test ... ok
[INFO] [stdout] test tests::helptext_test ... ok
[INFO] [stdout] test tests::summary_test ... ok
[INFO] [stdout] test tests::from_error_test ... ok
[INFO] [stdout] test tests::custom_error_implements_ufe ... ok
[INFO] [stdout] test tests::push_test ... ok
[INFO] [stdout] test tests::from_error_source_test ... ok
[INFO] [stdout] test tests::push_test_empty ... ok
[INFO] [stdout] test tests::reason_test ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/simple-2c5b67478a75a5dd
[INFO] [stdout] test tests::reason_and_helptext_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test simple_constructor_test ... ok
[INFO] [stdout] test custom_error_implements_ufe ... ok
[INFO] [stdout] test complex_builder_test ... ok
[INFO] [stderr]    Doc-tests user-error
[INFO] [stdout] test to_error_coercion_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/lib.rs - UserFacingError::update (line 374) ... ok
[INFO] [stdout] test src/lib.rs - UserFacingError::new (line 359) ... ok
[INFO] [stdout] test src/lib.rs - UserFacingError::help (line 441) ... ok
[INFO] [stdout] test src/lib.rs - UFE::print (line 128) ... ok
[INFO] [stdout] test src/lib.rs - UserFacingError::push (line 386) ... ok
[INFO] [stdout] test src/lib.rs - UserFacingError::clear_helptext (line 454) ... ok
[INFO] [stdout] test src/lib.rs - UserFacingError::reason (line 406) ... ok
[INFO] [stdout] test src/lib.rs - UserFacingError::clear_reasons (line 427) ... ok
[INFO] [stdout] test src/lib.rs - UFE::into_ufe (line 168) ... ok
[INFO] [stdout] test src/lib.rs - UFE::print_and_exit (line 152) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0620ba52348948ed60a6f796731064d4f625a80765af102ecf847595fb41cf45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0620ba52348948ed60a6f796731064d4f625a80765af102ecf847595fb41cf45", kill_on_drop: false }`
[INFO] [stdout] 0620ba52348948ed60a6f796731064d4f625a80765af102ecf847595fb41cf45