[INFO] cloning repository https://github.com/nsmryan/Accountant
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nsmryan/Accountant" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnsmryan%2FAccountant", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnsmryan%2FAccountant'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cd9d573c8cdce9b39f551f7a35159341cd1182f1
[INFO] testing nsmryan/Accountant against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnsmryan%2FAccountant" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nsmryan/Accountant on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nsmryan/Accountant
[INFO] finished tweaking git repo https://github.com/nsmryan/Accountant
[INFO] tweaked toml for git repo https://github.com/nsmryan/Accountant written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/nsmryan/Accountant already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2b59ece31c918f78acf5991c0fb59c96dd7dcd4ce7f64b62d610d8659c8617c
[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" "f2b59ece31c918f78acf5991c0fb59c96dd7dcd4ce7f64b62d610d8659c8617c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2b59ece31c918f78acf5991c0fb59c96dd7dcd4ce7f64b62d610d8659c8617c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2b59ece31c918f78acf5991c0fb59c96dd7dcd4ce7f64b62d610d8659c8617c", kill_on_drop: false }`
[INFO] [stdout] f2b59ece31c918f78acf5991c0fb59c96dd7dcd4ce7f64b62d610d8659c8617c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ebfd6a381774f44c7138c69f38e5984a9a46726805c5f464047527e50b59f041
[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" "ebfd6a381774f44c7138c69f38e5984a9a46726805c5f464047527e50b59f041", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.54
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]    Compiling csv-core v0.1.5
[INFO] [stderr]    Compiling csv v1.0.7
[INFO] [stderr]    Compiling accountant v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `rollover`
[INFO] [stdout]    --> src/main.rs:160:9
[INFO] [stdout]     |
[INFO] [stdout] 160 |     let mut rollover = 10;
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rollover`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pattern_state`
[INFO] [stdout]    --> src/main.rs:171:9
[INFO] [stdout]     |
[INFO] [stdout] 171 |     let pattern_state =
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pattern_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:160:9
[INFO] [stdout]     |
[INFO] [stdout] 160 |     let mut rollover = 10;
[INFO] [stdout]     |         ----^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.60s
[INFO] running `Command { std: "docker" "inspect" "ebfd6a381774f44c7138c69f38e5984a9a46726805c5f464047527e50b59f041", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebfd6a381774f44c7138c69f38e5984a9a46726805c5f464047527e50b59f041", kill_on_drop: false }`
[INFO] [stdout] ebfd6a381774f44c7138c69f38e5984a9a46726805c5f464047527e50b59f041
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 0db972e358bcc5d27bff2c795fc330695b222b49b69b16043bde98ebeb5220f0
[INFO] running `Command { std: "docker" "start" "-a" "0db972e358bcc5d27bff2c795fc330695b222b49b69b16043bde98ebeb5220f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling accountant v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `rollover`
[INFO] [stdout]    --> src/main.rs:160:9
[INFO] [stdout]     |
[INFO] [stdout] 160 |     let mut rollover = 10;
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rollover`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pattern_state`
[INFO] [stdout]    --> src/main.rs:171:9
[INFO] [stdout]     |
[INFO] [stdout] 171 |     let pattern_state =
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pattern_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:160:9
[INFO] [stdout]     |
[INFO] [stdout] 160 |     let mut rollover = 10;
[INFO] [stdout]     |         ----^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "0db972e358bcc5d27bff2c795fc330695b222b49b69b16043bde98ebeb5220f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0db972e358bcc5d27bff2c795fc330695b222b49b69b16043bde98ebeb5220f0", kill_on_drop: false }`
[INFO] [stdout] 0db972e358bcc5d27bff2c795fc330695b222b49b69b16043bde98ebeb5220f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 36c5acd727adb4ed41c11db4a3bd1bc09960900172b25409abfb20e8277a8407
[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" "36c5acd727adb4ed41c11db4a3bd1bc09960900172b25409abfb20e8277a8407", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `rollover`
[INFO] [stdout] running 0 tests
[INFO] [stderr]    --> src/main.rs:160:9
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 160 |     let mut rollover = 10;
[INFO] [stdout] 
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rollover`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pattern_state`
[INFO] [stderr]    --> src/main.rs:171:9
[INFO] [stderr]     |
[INFO] [stderr] 171 |     let pattern_state =
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pattern_state`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:160:9
[INFO] [stderr]     |
[INFO] [stderr] 160 |     let mut rollover = 10;
[INFO] [stderr]     |         ----^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/accountant-5cf07f83f60c63c1
[INFO] running `Command { std: "docker" "inspect" "36c5acd727adb4ed41c11db4a3bd1bc09960900172b25409abfb20e8277a8407", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36c5acd727adb4ed41c11db4a3bd1bc09960900172b25409abfb20e8277a8407", kill_on_drop: false }`
[INFO] [stdout] 36c5acd727adb4ed41c11db4a3bd1bc09960900172b25409abfb20e8277a8407