[INFO] fetching crate speculate 0.1.2...
[INFO] testing speculate-0.1.2 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate speculate 0.1.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate speculate 0.1.2 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate speculate 0.1.2
[INFO] finished tweaking crates.io crate speculate 0.1.2
[INFO] tweaked toml for crates.io crate speculate 0.1.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47db67cbb62285b12e2e7b09a36a417d348a63c65a9af494fbef157a7e2bf68a
[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" "47db67cbb62285b12e2e7b09a36a417d348a63c65a9af494fbef157a7e2bf68a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47db67cbb62285b12e2e7b09a36a417d348a63c65a9af494fbef157a7e2bf68a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47db67cbb62285b12e2e7b09a36a417d348a63c65a9af494fbef157a7e2bf68a", kill_on_drop: false }`
[INFO] [stdout] 47db67cbb62285b12e2e7b09a36a417d348a63c65a9af494fbef157a7e2bf68a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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] fe60f7205824eba84866a9b9c1ade33c58f0f0f6675024a294e7f09253b38132
[INFO] running `Command { std: "docker" "start" "-a" "fe60f7205824eba84866a9b9c1ade33c58f0f0f6675024a294e7f09253b38132", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling speculate v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.90s
[INFO] running `Command { std: "docker" "inspect" "fe60f7205824eba84866a9b9c1ade33c58f0f0f6675024a294e7f09253b38132", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe60f7205824eba84866a9b9c1ade33c58f0f0f6675024a294e7f09253b38132", kill_on_drop: false }`
[INFO] [stdout] fe60f7205824eba84866a9b9c1ade33c58f0f0f6675024a294e7f09253b38132
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f88faa45e3aa9d7146ce0f6ec73ef57550c9f0a21ad61adccc0680b1c0a1efb
[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" "5f88faa45e3aa9d7146ce0f6ec73ef57550c9f0a21ad61adccc0680b1c0a1efb", kill_on_drop: false }`
[INFO] [stderr]    Compiling speculate v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `Command { std: "docker" "inspect" "5f88faa45e3aa9d7146ce0f6ec73ef57550c9f0a21ad61adccc0680b1c0a1efb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f88faa45e3aa9d7146ce0f6ec73ef57550c9f0a21ad61adccc0680b1c0a1efb", kill_on_drop: false }`
[INFO] [stdout] 5f88faa45e3aa9d7146ce0f6ec73ef57550c9f0a21ad61adccc0680b1c0a1efb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7ceab0b5829b987b1e029edbe11048fbeac3a01025e2e998d3d1a37f0af6e044
[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" "7ceab0b5829b987b1e029edbe11048fbeac3a01025e2e998d3d1a37f0af6e044", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/speculate-6d02c980c8716ad2)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/basic.rs (/opt/rustwide/target/debug/deps/basic-272cbdda73528e81)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test attributes::speculate_7::test_ignore ... ignored
[INFO] [stdout] test ec3::speculate_4::test_foo ... ok
[INFO] [stdout] test ec5::speculate_6::test_foo ... ok
[INFO] [stdout] test speculate_0::something::test_works_at_level_2_after_context ... ok
[INFO] [stdout] test speculate_0::test_works_at_level_1 ... ok
[INFO] [stdout] test speculate_0::test_works_at_level_1_after_describe ... ok
[INFO] [stdout] test ec2::speculate_2::test_works ... ok
[INFO] [stdout] test ec2::speculate_3::test_works_again ... ok
[INFO] [stdout] test speculate_0::something::test_works_at_level_2 ... ok
[INFO] [stdout] test speculate_0::something::nested::test_works_at_level_3 ... ok
[INFO] [stdout] test attributes::speculate_7::test_should_panic_with_foo - should panic ... ok
[INFO] [stdout] test attributes::speculate_7::test_should_panic - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/example.rs (/opt/rustwide/target/debug/deps/example-e479289d42cb091c)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test speculate_0::math::test_can_subtract_stuff ... ok
[INFO] [stderr]    Doc-tests speculate
[INFO] [stdout] test speculate_0::math::test_can_add_stuff ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - speculate (line 96) ... FAILED
[INFO] [stdout] test src/lib.rs - speculate (line 111) ... ok
[INFO] [stdout] test src/lib.rs - speculate (line 70) ... ok
[INFO] [stdout] test src/lib.rs - speculate (line 57) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - speculate (line 96) stdout ----
[INFO] [stdout] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]  --> src/lib.rs:100:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | bench "xor 1 to 1000" |b| {
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[deny(soft_unstable)]` on by default
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - speculate (line 96)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.85s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "7ceab0b5829b987b1e029edbe11048fbeac3a01025e2e998d3d1a37f0af6e044", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ceab0b5829b987b1e029edbe11048fbeac3a01025e2e998d3d1a37f0af6e044", kill_on_drop: false }`
[INFO] [stdout] 7ceab0b5829b987b1e029edbe11048fbeac3a01025e2e998d3d1a37f0af6e044