[INFO] fetching crate speculate 0.1.2...
[INFO] testing speculate-0.1.2 against 1.59.0 for beta-1.60-1
[INFO] extracting crate speculate 0.1.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate speculate 0.1.2 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc0bbaec19daf0e858a1c241d3dba7dfada0becfe78c3f9194826b020c5faeef
[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" "cc0bbaec19daf0e858a1c241d3dba7dfada0becfe78c3f9194826b020c5faeef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc0bbaec19daf0e858a1c241d3dba7dfada0becfe78c3f9194826b020c5faeef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc0bbaec19daf0e858a1c241d3dba7dfada0becfe78c3f9194826b020c5faeef", kill_on_drop: false }`
[INFO] [stdout] cc0bbaec19daf0e858a1c241d3dba7dfada0becfe78c3f9194826b020c5faeef
[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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a92ee15fec3a61d00f1b226b4b3aef9ee30bcba795293c4d4eb8cb9ba24ff9f
[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" "0a92ee15fec3a61d00f1b226b4b3aef9ee30bcba795293c4d4eb8cb9ba24ff9f", kill_on_drop: false }`
[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 13.42s
[INFO] running `Command { std: "docker" "inspect" "0a92ee15fec3a61d00f1b226b4b3aef9ee30bcba795293c4d4eb8cb9ba24ff9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a92ee15fec3a61d00f1b226b4b3aef9ee30bcba795293c4d4eb8cb9ba24ff9f", kill_on_drop: false }`
[INFO] [stdout] 0a92ee15fec3a61d00f1b226b4b3aef9ee30bcba795293c4d4eb8cb9ba24ff9f
[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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e514085a3b6a1be6e4bb6658e37278e806030e49ec7f55b0f6818aa1bbcbc8dd
[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" "e514085a3b6a1be6e4bb6658e37278e806030e49ec7f55b0f6818aa1bbcbc8dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling speculate v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `Command { std: "docker" "inspect" "e514085a3b6a1be6e4bb6658e37278e806030e49ec7f55b0f6818aa1bbcbc8dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e514085a3b6a1be6e4bb6658e37278e806030e49ec7f55b0f6818aa1bbcbc8dd", kill_on_drop: false }`
[INFO] [stdout] e514085a3b6a1be6e4bb6658e37278e806030e49ec7f55b0f6818aa1bbcbc8dd
[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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7266f578d9b44ba23df5a47557c12c42cd2390d4d1515d1be199904faf35f2f6
[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" "7266f578d9b44ba23df5a47557c12c42cd2390d4d1515d1be199904faf35f2f6", 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-38fc649131e57516)
[INFO] [stdout] 
[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] [stderr]      Running tests/basic.rs (/opt/rustwide/target/debug/deps/basic-a5c391ba3b8aa6d5)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test attributes::speculate_7::test_ignore ... ignored
[INFO] [stdout] test ec2::speculate_2::test_works ... ok
[INFO] [stdout] test speculate_0::something::test_works_at_level_2_after_context ... ok
[INFO] [stdout] test speculate_0::something::test_works_at_level_2 ... ok
[INFO] [stdout] test speculate_0::test_works_at_level_1_after_describe ... ok
[INFO] [stdout] test ec5::speculate_6::test_foo ... ok
[INFO] [stdout] test ec3::speculate_4::test_foo ... ok
[INFO] [stdout] test speculate_0::something::nested::test_works_at_level_3 ... ok
[INFO] [stdout] test ec2::speculate_3::test_works_again ... ok
[INFO] [stdout] test speculate_0::test_works_at_level_1 ... ok
[INFO] [stderr]      Running tests/example.rs (/opt/rustwide/target/debug/deps/example-5ed254b5e4ce968b)
[INFO] [stdout] test attributes::speculate_7::test_should_panic - should panic ... ok
[INFO] [stdout] test attributes::speculate_7::test_should_panic_with_foo - 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] [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 56) ... ok
[INFO] [stdout] test src/lib.rs - speculate (line 93) ... FAILED
[INFO] [stdout] test src/lib.rs - speculate (line 108) ... ok
[INFO] [stdout] test src/lib.rs - speculate (line 68) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - speculate (line 93) 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:97:7
[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 93)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.06s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "7266f578d9b44ba23df5a47557c12c42cd2390d4d1515d1be199904faf35f2f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7266f578d9b44ba23df5a47557c12c42cd2390d4d1515d1be199904faf35f2f6", kill_on_drop: false }`
[INFO] [stdout] 7266f578d9b44ba23df5a47557c12c42cd2390d4d1515d1be199904faf35f2f6