[INFO] cloning repository https://github.com/andygrn/flock
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andygrn/flock" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandygrn%2Fflock", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandygrn%2Fflock'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 88b50285043c1d832908068be18cf00c0a14d8cd
[INFO] testing andygrn/flock against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandygrn%2Fflock" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andygrn/flock on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/andygrn/flock
[INFO] finished tweaking git repo https://github.com/andygrn/flock
[INFO] tweaked toml for git repo https://github.com/andygrn/flock written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/andygrn/flock already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded either v1.4.0
[INFO] [stderr]   Downloaded odds v0.2.26
[INFO] [stderr]   Downloaded shred v0.5.0
[INFO] [stderr]   Downloaded pulse v0.5.3
[INFO] [stderr]   Downloaded hibitset v0.3.2
[INFO] [stderr]   Downloaded tuple_utils v0.2.0
[INFO] [stderr]   Downloaded noise v0.4.1
[INFO] [stderr]   Downloaded atom v0.3.4
[INFO] [stderr]   Downloaded shred-derive v0.3.0
[INFO] [stderr]   Downloaded specs v0.10.0
[INFO] [stderr]   Downloaded arrayvec v0.3.24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d1a0855044e96d4993abcf5422ed471d27977073500e3f3de4cc64ff050ed15
[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" "7d1a0855044e96d4993abcf5422ed471d27977073500e3f3de4cc64ff050ed15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d1a0855044e96d4993abcf5422ed471d27977073500e3f3de4cc64ff050ed15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d1a0855044e96d4993abcf5422ed471d27977073500e3f3de4cc64ff050ed15", kill_on_drop: false }`
[INFO] [stdout] 7d1a0855044e96d4993abcf5422ed471d27977073500e3f3de4cc64ff050ed15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f55b07db710ed41af0a1eabafd72effc9bce81efbeb5dc79e665f8b37664bc1a
[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" "f55b07db710ed41af0a1eabafd72effc9bce81efbeb5dc79e665f8b37664bc1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.4.0
[INFO] [stderr]    Compiling rayon-core v1.3.0
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling atom v0.3.4
[INFO] [stderr]    Compiling odds v0.2.26
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling smallvec v0.4.4
[INFO] [stderr]    Compiling mopa v0.2.2
[INFO] [stderr]    Compiling num-traits v0.1.41
[INFO] [stderr]    Compiling tuple_utils v0.2.0
[INFO] [stderr]    Compiling crossbeam v0.3.0
[INFO] [stderr]    Compiling num_cpus v1.7.0
[INFO] [stderr]    Compiling time v0.1.38
[INFO] [stderr]    Compiling termion v1.5.1
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stderr]    Compiling shred-derive v0.3.0
[INFO] [stderr]    Compiling coco v0.1.1
[INFO] [stderr]    Compiling itertools v0.5.10
[INFO] [stderr]    Compiling arrayvec v0.3.24
[INFO] [stderr]    Compiling pulse v0.5.3
[INFO] [stderr]    Compiling noise v0.4.1
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]    Compiling shred v0.5.0
[INFO] [stderr]    Compiling hibitset v0.3.2
[INFO] [stderr]    Compiling derivative v1.0.0
[INFO] [stderr]    Compiling specs v0.10.0
[INFO] [stderr]    Compiling flock v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/terminal_renderer.rs:24:19
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub char_gen: (fn(f32, f32) -> char),
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/terminal_renderer.rs:31:19
[INFO] [stdout]    |
[INFO] [stdout] 31 |         char_gen: (fn(f32, f32) -> char),
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.88s
[INFO] running `Command { std: "docker" "inspect" "f55b07db710ed41af0a1eabafd72effc9bce81efbeb5dc79e665f8b37664bc1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f55b07db710ed41af0a1eabafd72effc9bce81efbeb5dc79e665f8b37664bc1a", kill_on_drop: false }`
[INFO] [stdout] f55b07db710ed41af0a1eabafd72effc9bce81efbeb5dc79e665f8b37664bc1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] a23ed0c48112a4a03d74990ff4dd5cc832ec8ec3464ac2a59306d0042ce419d5
[INFO] running `Command { std: "docker" "start" "-a" "a23ed0c48112a4a03d74990ff4dd5cc832ec8ec3464ac2a59306d0042ce419d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling flock v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/terminal_renderer.rs:24:19
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub char_gen: (fn(f32, f32) -> char),
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/terminal_renderer.rs:31:19
[INFO] [stdout]    |
[INFO] [stdout] 31 |         char_gen: (fn(f32, f32) -> char),
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "a23ed0c48112a4a03d74990ff4dd5cc832ec8ec3464ac2a59306d0042ce419d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a23ed0c48112a4a03d74990ff4dd5cc832ec8ec3464ac2a59306d0042ce419d5", kill_on_drop: false }`
[INFO] [stdout] a23ed0c48112a4a03d74990ff4dd5cc832ec8ec3464ac2a59306d0042ce419d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", 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] 826ae9b5140cd7503a1c322308bdf676fa53c41858c9b17a2dfbff0a72563ac6
[INFO] running `Command { std: "docker" "start" "-a" "826ae9b5140cd7503a1c322308bdf676fa53c41858c9b17a2dfbff0a72563ac6", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/terminal_renderer.rs:24:19
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub char_gen: (fn(f32, f32) -> char),
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/terminal_renderer.rs:31:19
[INFO] [stderr]    |
[INFO] [stderr] 31 |         char_gen: (fn(f32, f32) -> char),
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/flock-d221cae133b18a81
[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" "826ae9b5140cd7503a1c322308bdf676fa53c41858c9b17a2dfbff0a72563ac6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "826ae9b5140cd7503a1c322308bdf676fa53c41858c9b17a2dfbff0a72563ac6", kill_on_drop: false }`
[INFO] [stdout] 826ae9b5140cd7503a1c322308bdf676fa53c41858c9b17a2dfbff0a72563ac6