[INFO] fetching crate tfe 0.1.2...
[INFO] testing tfe-0.1.2 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate tfe 0.1.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate tfe 0.1.2 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 crates.io crate tfe 0.1.2
[INFO] finished tweaking crates.io crate tfe 0.1.2
[INFO] tweaked toml for crates.io crate tfe 0.1.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 257cba9db584ddf0f4237809cd9a42f74ea0cb388a971ee49b78b03f9231fc60
[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" "257cba9db584ddf0f4237809cd9a42f74ea0cb388a971ee49b78b03f9231fc60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "257cba9db584ddf0f4237809cd9a42f74ea0cb388a971ee49b78b03f9231fc60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "257cba9db584ddf0f4237809cd9a42f74ea0cb388a971ee49b78b03f9231fc60", kill_on_drop: false }`
[INFO] [stdout] 257cba9db584ddf0f4237809cd9a42f74ea0cb388a971ee49b78b03f9231fc60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 022dae2cfd02d887bf63fe230b0e6b548d6791891cc868109c056da0729e9dc9
[INFO] running `Command { std: "docker" "start" "-a" "022dae2cfd02d887bf63fe230b0e6b548d6791891cc868109c056da0729e9dc9", kill_on_drop: false }`
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling tfe v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.07s
[INFO] running `Command { std: "docker" "inspect" "022dae2cfd02d887bf63fe230b0e6b548d6791891cc868109c056da0729e9dc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "022dae2cfd02d887bf63fe230b0e6b548d6791891cc868109c056da0729e9dc9", kill_on_drop: false }`
[INFO] [stdout] 022dae2cfd02d887bf63fe230b0e6b548d6791891cc868109c056da0729e9dc9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] 3f640ef78ce5087c3316e33cf8278f3df0e3f745156c9635ac87edc3765daba8
[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" "3f640ef78ce5087c3316e33cf8278f3df0e3f745156c9635ac87edc3765daba8", kill_on_drop: false }`
[INFO] [stderr]    Compiling tfe v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "3f640ef78ce5087c3316e33cf8278f3df0e3f745156c9635ac87edc3765daba8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f640ef78ce5087c3316e33cf8278f3df0e3f745156c9635ac87edc3765daba8", kill_on_drop: false }`
[INFO] [stdout] 3f640ef78ce5087c3316e33cf8278f3df0e3f745156c9635ac87edc3765daba8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] 53e73725acee8062b64567a01cf40312667ea8e31e9454bb33b5ac36df0aaffe
[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" "53e73725acee8062b64567a01cf40312667ea8e31e9454bb33b5ac36df0aaffe", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.41s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tfe-fbbc47ee6ed06f9c
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/2048-b8cf07a479474a5e
[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 tfe
[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 14 tests
[INFO] [stdout] test src/game.rs - game::Game::move_right (line 343) ... ok
[INFO] [stdout] test src/game.rs - game::Game::execute (line 229) ... ok
[INFO] [stdout] test src/direction.rs - direction::Direction::sample (line 27) ... ok
[INFO] [stdout] test src/game.rs - game::Game::move_down (line 313) ... ok
[INFO] [stdout] test src/game.rs - game::Game::move_up (line 283) ... ok
[INFO] [stdout] test src/game.rs - game::Game::new (line 157) ... ok
[INFO] [stdout] test src/game.rs - game::Game::count_empty (line 400) ... ok
[INFO] [stdout] test src/direction.rs - direction::Direction::sample_without (line 65) ... ok
[INFO] [stdout] test src/game.rs - game::Game::transpose (line 254) ... ok
[INFO] [stdout] test src/game.rs - game::Game::new (line 148) ... ok
[INFO] [stdout] test src/lib.rs - (line 13) ... ok
[INFO] [stdout] test src/game.rs - game::Game::play (line 183) ... ok
[INFO] [stdout] test src/game.rs - game::Game::move_left (line 372) ... ok
[INFO] [stdout] test src/direction.rs - direction::Direction::without (line 47) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.48s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "53e73725acee8062b64567a01cf40312667ea8e31e9454bb33b5ac36df0aaffe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53e73725acee8062b64567a01cf40312667ea8e31e9454bb33b5ac36df0aaffe", kill_on_drop: false }`
[INFO] [stdout] 53e73725acee8062b64567a01cf40312667ea8e31e9454bb33b5ac36df0aaffe