[INFO] fetching crate guard 0.5.1...
[INFO] testing guard-0.5.1 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate guard 0.5.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate guard 0.5.1 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate guard 0.5.1
[INFO] finished tweaking crates.io crate guard 0.5.1
[INFO] tweaked toml for crates.io crate guard 0.5.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate guard 0.5.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e21455f2d22103d5c598a1de1e1168b80d0ca6dbe1196ba3581f50f310ccb518
[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" "e21455f2d22103d5c598a1de1e1168b80d0ca6dbe1196ba3581f50f310ccb518", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e21455f2d22103d5c598a1de1e1168b80d0ca6dbe1196ba3581f50f310ccb518", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e21455f2d22103d5c598a1de1e1168b80d0ca6dbe1196ba3581f50f310ccb518", kill_on_drop: false }`
[INFO] [stdout] e21455f2d22103d5c598a1de1e1168b80d0ca6dbe1196ba3581f50f310ccb518
[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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--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] 4cde8cd54b23eca39551ca3f44f4d255b1347c1112743e521cc6af44cb285421
[INFO] running `Command { std: "docker" "start" "-a" "4cde8cd54b23eca39551ca3f44f4d255b1347c1112743e521cc6af44cb285421", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling guard v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `Command { std: "docker" "inspect" "4cde8cd54b23eca39551ca3f44f4d255b1347c1112743e521cc6af44cb285421", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cde8cd54b23eca39551ca3f44f4d255b1347c1112743e521cc6af44cb285421", kill_on_drop: false }`
[INFO] [stdout] 4cde8cd54b23eca39551ca3f44f4d255b1347c1112743e521cc6af44cb285421
[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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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] 44b811fea132533f58f0f7ba2f288dd9472bb9d05e698976debc531989bfe44a
[INFO] running `Command { std: "docker" "start" "-a" "44b811fea132533f58f0f7ba2f288dd9472bb9d05e698976debc531989bfe44a", kill_on_drop: false }`
[INFO] [stderr]    Compiling guard v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "44b811fea132533f58f0f7ba2f288dd9472bb9d05e698976debc531989bfe44a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44b811fea132533f58f0f7ba2f288dd9472bb9d05e698976debc531989bfe44a", kill_on_drop: false }`
[INFO] [stdout] 44b811fea132533f58f0f7ba2f288dd9472bb9d05e698976debc531989bfe44a
[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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1d9adc03dd38386279be0e4b2c35fc93c5d1b38e9ebf5853058fbe526aad8cb4
[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" "1d9adc03dd38386279be0e4b2c35fc93c5d1b38e9ebf5853058fbe526aad8cb4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/guard-0fdf614a703e173d)
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::new_syntax ... ok
[INFO] [stdout] test tests::various ... ok
[INFO] [stdout] test guard_unwrap::test::should_match ... ok
[INFO] [stdout] test tests::empty ... ok
[INFO] [stdout] test guard_unwrap::test::should_bind ... ok
[INFO] [stdout] test guard_unwrap::test::panic_message_should_include_matched_expression - should panic ... ok
[INFO] [stdout] test guard_unwrap::test::should_panic - should panic ... ok
[INFO] [stdout] test guard_unwrap::test::should_have_nice_panic_message - should panic ... ok
[INFO] [stdout] test guard_unwrap::test::panic_message_should_include_pattern - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/guard_unwrap.rs (/opt/rustwide/target/debug/deps/guard_unwrap-d15e8d5b4857d317)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests guard
[INFO] [stdout] running 1 test
[INFO] [stdout] test should_be_usable_from_different_crate ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 29) ... ok
[INFO] [stdout] test src/guard_unwrap.rs - guard_unwrap (line 24) ... ok
[INFO] [stdout] test src/lib.rs - (line 46) ... ok
[INFO] [stdout] test src/guard_unwrap.rs - guard_unwrap (line 16) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.83s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1d9adc03dd38386279be0e4b2c35fc93c5d1b38e9ebf5853058fbe526aad8cb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d9adc03dd38386279be0e4b2c35fc93c5d1b38e9ebf5853058fbe526aad8cb4", kill_on_drop: false }`
[INFO] [stdout] 1d9adc03dd38386279be0e4b2c35fc93c5d1b38e9ebf5853058fbe526aad8cb4