[INFO] fetching crate probably 0.3.1...
[INFO] checking probably-0.3.1 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] extracting crate probably 0.3.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate probably 0.3.1 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate probably 0.3.1
[INFO] finished tweaking crates.io crate probably 0.3.1
[INFO] tweaked toml for crates.io crate probably 0.3.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c74590c9c1a012605ce3c8b5b47277abe3afe3d5f8beac1e36751afeaf067a0
[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" "3c74590c9c1a012605ce3c8b5b47277abe3afe3d5f8beac1e36751afeaf067a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c74590c9c1a012605ce3c8b5b47277abe3afe3d5f8beac1e36751afeaf067a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c74590c9c1a012605ce3c8b5b47277abe3afe3d5f8beac1e36751afeaf067a0", kill_on_drop: false }`
[INFO] [stdout] 3c74590c9c1a012605ce3c8b5b47277abe3afe3d5f8beac1e36751afeaf067a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--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] b87b1429ca6d15555b7126e5c68c2efcf47ce944a77df4e85f8ebbd1efffa9a7
[INFO] running `Command { std: "docker" "start" "-a" "b87b1429ca6d15555b7126e5c68c2efcf47ce944a77df4e85f8ebbd1efffa9a7", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking siphasher v0.3.3
[INFO] [stderr]     Checking bytecount v0.6.2
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking probably v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/membership/cuckoo/mod.rs:103:14
[INFO] [stdout]     |
[INFO] [stdout] 103 |     _hasher: std::marker::PhantomData<H>,
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:2:55
[INFO] [stdout]     |
[INFO] [stdout] 2   | #![warn(non_camel_case_types, non_upper_case_globals, unused_qualifications)]
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]   --> src/quantile/histogram.rs:32:15
[INFO] [stdout]    |
[INFO] [stdout] 32 |     T: Copy + cmp::PartialOrd,
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]   --> src/quantile/histogram.rs:50:15
[INFO] [stdout]    |
[INFO] [stdout] 50 |     T: Copy + cmp::PartialEq,
[INFO] [stdout]    |               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]   --> src/quantile/histogram.rs:68:15
[INFO] [stdout]    |
[INFO] [stdout] 68 |     T: Copy + cmp::PartialOrd + fmt::Debug + ops::Add<Output = T>,
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/quantile/histogram.rs:139:8
[INFO] [stdout]     |
[INFO] [stdout] 139 |     T: cmp::PartialOrd + fmt::Debug,
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/quantile/histogram.rs:162:15
[INFO] [stdout]     |
[INFO] [stdout] 162 |     T: Copy + cmp::PartialOrd + fmt::Debug,
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stderr]     Checking quickcheck v0.5.0
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/membership/cuckoo/mod.rs:103:14
[INFO] [stdout]     |
[INFO] [stdout] 103 |     _hasher: std::marker::PhantomData<H>,
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:2:55
[INFO] [stdout]     |
[INFO] [stdout] 2   | #![warn(non_camel_case_types, non_upper_case_globals, unused_qualifications)]
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]   --> src/quantile/histogram.rs:32:15
[INFO] [stdout]    |
[INFO] [stdout] 32 |     T: Copy + cmp::PartialOrd,
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]   --> src/quantile/histogram.rs:50:15
[INFO] [stdout]    |
[INFO] [stdout] 50 |     T: Copy + cmp::PartialEq,
[INFO] [stdout]    |               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]   --> src/quantile/histogram.rs:68:15
[INFO] [stdout]    |
[INFO] [stdout] 68 |     T: Copy + cmp::PartialOrd + fmt::Debug + ops::Add<Output = T>,
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/quantile/histogram.rs:139:8
[INFO] [stdout]     |
[INFO] [stdout] 139 |     T: cmp::PartialOrd + fmt::Debug,
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/quantile/histogram.rs:162:15
[INFO] [stdout]     |
[INFO] [stdout] 162 |     T: Copy + cmp::PartialOrd + fmt::Debug,
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.87s
[INFO] running `Command { std: "docker" "inspect" "b87b1429ca6d15555b7126e5c68c2efcf47ce944a77df4e85f8ebbd1efffa9a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b87b1429ca6d15555b7126e5c68c2efcf47ce944a77df4e85f8ebbd1efffa9a7", kill_on_drop: false }`
[INFO] [stdout] b87b1429ca6d15555b7126e5c68c2efcf47ce944a77df4e85f8ebbd1efffa9a7