[INFO] cloning repository https://github.com/Lapz/tox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Lapz/tox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLapz%2Ftox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLapz%2Ftox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0c298ab5dc7534f4aa81cac69abf652bdfb39fbf
[INFO] testing Lapz/tox against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLapz%2Ftox" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Lapz/tox on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Lapz/tox
[INFO] finished tweaking git repo https://github.com/Lapz/tox
[INFO] tweaked toml for git repo https://github.com/Lapz/tox written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/Lapz/tox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cargo_metadata v0.2.3
[INFO] [stderr]   Downloaded itertools v0.6.5
[INFO] [stderr]   Downloaded pulldown-cmark v0.0.15
[INFO] [stderr]   Downloaded clippy v0.0.186
[INFO] [stderr]   Downloaded clippy_lints v0.0.186
[INFO] [stderr]   Downloaded if_chain v0.1.2
[INFO] [stderr]   Downloaded pretty_assertions v0.4.1
[INFO] [stderr]   Downloaded itertools v0.7.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dca99abd3538684ea7f7e198a7f0d3ffcfead2ca9611f57a1f28c37a9d42f8d2
[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" "dca99abd3538684ea7f7e198a7f0d3ffcfead2ca9611f57a1f28c37a9d42f8d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dca99abd3538684ea7f7e198a7f0d3ffcfead2ca9611f57a1f28c37a9d42f8d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dca99abd3538684ea7f7e198a7f0d3ffcfead2ca9611f57a1f28c37a9d42f8d2", kill_on_drop: false }`
[INFO] [stdout] dca99abd3538684ea7f7e198a7f0d3ffcfead2ca9611f57a1f28c37a9d42f8d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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] b826571200d6431332b8c9ee394e59e0065fc899b140d1b2dead3dc97d8fb8e7
[INFO] running `Command { std: "docker" "start" "-a" "b826571200d6431332b8c9ee394e59e0065fc899b140d1b2dead3dc97d8fb8e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.36
[INFO] [stderr]    Compiling either v1.4.0
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling bitflags v1.0.1
[INFO] [stderr]    Compiling vec_map v0.8.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.0
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling itertools v0.7.9
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling atty v0.2.6
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling clap v2.30.0
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling util v0.1.0 (/opt/rustwide/workdir/util)
[INFO] [stderr]    Compiling opcode v0.1.0 (/opt/rustwide/workdir/opcode)
[INFO] [stderr]    Compiling syntax v0.1.0 (/opt/rustwide/workdir/syntax)
[INFO] [stderr]    Compiling structopt-derive v0.1.6
[INFO] [stderr]    Compiling vm v0.1.0 (/opt/rustwide/workdir/vm)
[INFO] [stderr]    Compiling frontend v0.1.0 (/opt/rustwide/workdir/frontend)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> frontend/src/infer/function/expressions/call.rs:68:30
[INFO] [stdout]    |
[INFO] [stdout] 68 | ...                   };
[INFO] [stdout]    |                        ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> frontend/src/infer/function/expressions/call.rs:151:30
[INFO] [stdout]     |
[INFO] [stdout] 151 | ...                   };
[INFO] [stdout]     |                        ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling structopt v0.1.7
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tox v0.2.0 (/opt/rustwide/workdir/tox)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.60s
[INFO] running `Command { std: "docker" "inspect" "b826571200d6431332b8c9ee394e59e0065fc899b140d1b2dead3dc97d8fb8e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b826571200d6431332b8c9ee394e59e0065fc899b140d1b2dead3dc97d8fb8e7", kill_on_drop: false }`
[INFO] [stdout] b826571200d6431332b8c9ee394e59e0065fc899b140d1b2dead3dc97d8fb8e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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] 9f63e9e13dd5991bc45d12f965022c62761aa510ca302865b270ccd1e8b292d9
[INFO] running `Command { std: "docker" "start" "-a" "9f63e9e13dd5991bc45d12f965022c62761aa510ca302865b270ccd1e8b292d9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling difference v1.0.0
[INFO] [stderr]    Compiling util v0.1.0 (/opt/rustwide/workdir/util)
[INFO] [stderr]    Compiling opcode v0.1.0 (/opt/rustwide/workdir/opcode)
[INFO] [stderr]    Compiling tempfile v3.0.5
[INFO] [stderr]    Compiling vm v0.1.0 (/opt/rustwide/workdir/vm)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> frontend/src/infer/function/expressions/call.rs:68:30
[INFO] [stdout]    |
[INFO] [stdout] 68 | ...                   };
[INFO] [stdout]    |                        ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> frontend/src/infer/function/expressions/call.rs:151:30
[INFO] [stdout]     |
[INFO] [stdout] 151 | ...                   };
[INFO] [stdout]     |                        ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling pretty_assertions v0.4.1
[INFO] [stderr]    Compiling syntax v0.1.0 (/opt/rustwide/workdir/syntax)
[INFO] [stderr]    Compiling frontend v0.1.0 (/opt/rustwide/workdir/frontend)
[INFO] [stderr]    Compiling tox v0.2.0 (/opt/rustwide/workdir/tox)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> frontend/src/infer/function/expressions/call.rs:68:30
[INFO] [stdout]    |
[INFO] [stdout] 68 | ...                   };
[INFO] [stdout]    |                        ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> frontend/src/infer/function/expressions/call.rs:151:30
[INFO] [stdout]     |
[INFO] [stdout] 151 | ...                   };
[INFO] [stdout]     |                        ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.32s
[INFO] running `Command { std: "docker" "inspect" "9f63e9e13dd5991bc45d12f965022c62761aa510ca302865b270ccd1e8b292d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f63e9e13dd5991bc45d12f965022c62761aa510ca302865b270ccd1e8b292d9", kill_on_drop: false }`
[INFO] [stdout] 9f63e9e13dd5991bc45d12f965022c62761aa510ca302865b270ccd1e8b292d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0a4d1ecb6fbb02971613919f978e81de25bbc77ab1b0ccfd2fe88c1145d822d3
[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" "0a4d1ecb6fbb02971613919f978e81de25bbc77ab1b0ccfd2fe88c1145d822d3", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> frontend/src/infer/function/expressions/call.rs:68:30
[INFO] [stderr]    |
[INFO] [stderr] 68 | ...                   };
[INFO] [stderr]    |                        ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> frontend/src/infer/function/expressions/call.rs:151:30
[INFO] [stderr]     |
[INFO] [stderr] 151 | ...                   };
[INFO] [stderr]     |                        ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: `frontend` (lib) generated 2 warnings
[INFO] [stderr] warning: `frontend` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/frontend-fb4794dac8f917b6)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/opcode-fc28d60385483844)
[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 unittests (/opt/rustwide/target/debug/deps/syntax-16c12a4b85c63fa5)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tox-61616926bec6faeb)
[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 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 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/test_runner.rs (/opt/rustwide/target/debug/deps/test_runner-3240d52e751ba6d3)
[INFO] [stdout] Pass:37 Fail:0
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/util-754893ff6e04f587)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/vm-d9e9fc50d95ad3f2)
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests frontend
[INFO] [stdout] test symbol::test::test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[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] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> /opt/rustwide/workdir/frontend/src/infer/function/expressions/call.rs:68:30
[INFO] [stderr]    |
[INFO] [stderr] 68 | ...                   };
[INFO] [stderr]    |                        ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> /opt/rustwide/workdir/frontend/src/infer/function/expressions/call.rs:151:30
[INFO] [stderr]     |
[INFO] [stderr] 151 | ...                   };
[INFO] [stderr]     |                        ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/infer/types.rs - infer::types::Variant (line 41) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests opcode
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests syntax
[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 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]    Doc-tests util
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests vm
[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 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] running `Command { std: "docker" "inspect" "0a4d1ecb6fbb02971613919f978e81de25bbc77ab1b0ccfd2fe88c1145d822d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a4d1ecb6fbb02971613919f978e81de25bbc77ab1b0ccfd2fe88c1145d822d3", kill_on_drop: false }`
[INFO] [stdout] 0a4d1ecb6fbb02971613919f978e81de25bbc77ab1b0ccfd2fe88c1145d822d3