[INFO] fetching crate maybe-unwind 0.3.1...
[INFO] testing maybe-unwind-0.3.1 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] extracting crate maybe-unwind 0.3.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate maybe-unwind 0.3.1 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate maybe-unwind 0.3.1
[INFO] finished tweaking crates.io crate maybe-unwind 0.3.1
[INFO] tweaked toml for crates.io crate maybe-unwind 0.3.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate maybe-unwind 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a6311574d2089ffa1692696f4ee78488cbd591908c1038c9ef8f53d20c61113
[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" "9a6311574d2089ffa1692696f4ee78488cbd591908c1038c9ef8f53d20c61113", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a6311574d2089ffa1692696f4ee78488cbd591908c1038c9ef8f53d20c61113", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a6311574d2089ffa1692696f4ee78488cbd591908c1038c9ef8f53d20c61113", kill_on_drop: false }`
[INFO] [stdout] 9a6311574d2089ffa1692696f4ee78488cbd591908c1038c9ef8f53d20c61113
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f903ad05a95f4aa2c27a32a59222ece353712ce0f17505dd0a8a29b785a40d1
[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" "0f903ad05a95f4aa2c27a32a59222ece353712ce0f17505dd0a8a29b785a40d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling maybe-unwind v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `Command { std: "docker" "inspect" "0f903ad05a95f4aa2c27a32a59222ece353712ce0f17505dd0a8a29b785a40d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f903ad05a95f4aa2c27a32a59222ece353712ce0f17505dd0a8a29b785a40d1", kill_on_drop: false }`
[INFO] [stdout] 0f903ad05a95f4aa2c27a32a59222ece353712ce0f17505dd0a8a29b785a40d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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] 7111f35c17d741eb59df9cb5cd2fa1881e0148b9cbb1c721315bb00a68013e82
[INFO] running `Command { std: "docker" "start" "-a" "7111f35c17d741eb59df9cb5cd2fa1881e0148b9cbb1c721315bb00a68013e82", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]    Compiling smallvec v1.2.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling pulldown-cmark v0.4.1
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling cargo-husky v1.5.0
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling futures-util v0.3.4
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.12
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling futures-executor v0.3.4
[INFO] [stderr]    Compiling regex v1.3.6
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling version-sync v0.8.1
[INFO] [stderr]    Compiling maybe-unwind v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 51.61s
[INFO] running `Command { std: "docker" "inspect" "7111f35c17d741eb59df9cb5cd2fa1881e0148b9cbb1c721315bb00a68013e82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7111f35c17d741eb59df9cb5cd2fa1881e0148b9cbb1c721315bb00a68013e82", kill_on_drop: false }`
[INFO] [stdout] 7111f35c17d741eb59df9cb5cd2fa1881e0148b9cbb1c721315bb00a68013e82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 65778a8b55205ef6149690b3a2f2d1dbf223947aff1b97957ad2c9718f2cb7b7
[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" "65778a8b55205ef6149690b3a2f2d1dbf223947aff1b97957ad2c9718f2cb7b7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/maybe_unwind-7d041edb4973f384
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test-af8f2965235af862
[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] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test futures::nested1 ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/version_sync-e0585c908686c244
[INFO] [stdout] test nested1 ... ok
[INFO] [stdout] test nested2 ... ok
[INFO] [stdout] test futures::nested2 ... ok
[INFO] [stdout] test futures::never_unwind ... ok
[INFO] [stdout] test has_unwind ... ok
[INFO] [stdout] test futures::has_unwind ... ok
[INFO] [stdout] test never_unwind ... ok
[INFO] [stdout] test without_wrapper ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests maybe-unwind
[INFO] [stdout] test test_html_root_url ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/hook.rs - hook::capture_panic_info (line 19) ... ok
[INFO] [stdout] test src/futures.rs - futures::FutureMaybeUnwindExt::maybe_unwind (line 44) ... ok
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "65778a8b55205ef6149690b3a2f2d1dbf223947aff1b97957ad2c9718f2cb7b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65778a8b55205ef6149690b3a2f2d1dbf223947aff1b97957ad2c9718f2cb7b7", kill_on_drop: false }`
[INFO] [stdout] 65778a8b55205ef6149690b3a2f2d1dbf223947aff1b97957ad2c9718f2cb7b7