[INFO] cloning repository https://github.com/Darkdoughnut/advent_of_code_2018
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Darkdoughnut/advent_of_code_2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDarkdoughnut%2Fadvent_of_code_2018", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDarkdoughnut%2Fadvent_of_code_2018'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 47fe3c5477b8d8929f7cecb3bd9fa60caf68377a
[INFO] testing Darkdoughnut/advent_of_code_2018 against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDarkdoughnut%2Fadvent_of_code_2018" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Darkdoughnut/advent_of_code_2018 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Darkdoughnut/advent_of_code_2018
[INFO] finished tweaking git repo https://github.com/Darkdoughnut/advent_of_code_2018
[INFO] tweaked toml for git repo https://github.com/Darkdoughnut/advent_of_code_2018 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Darkdoughnut/advent_of_code_2018 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "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-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", 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] a1d73844f36b62260bae4c89ac64cca32450e2c7e17c892a8e4aa8a3a6de4a76
[INFO] running `Command { std: "docker" "start" "-a" "a1d73844f36b62260bae4c89ac64cca32450e2c7e17c892a8e4aa8a3a6de4a76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1d73844f36b62260bae4c89ac64cca32450e2c7e17c892a8e4aa8a3a6de4a76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1d73844f36b62260bae4c89ac64cca32450e2c7e17c892a8e4aa8a3a6de4a76", kill_on_drop: false }`
[INFO] [stdout] a1d73844f36b62260bae4c89ac64cca32450e2c7e17c892a8e4aa8a3a6de4a76
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a86ec9c79252f6b75f45c83968866072beeb9ea6fb0b7f7ec99563724e1cd37d
[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" "a86ec9c79252f6b75f45c83968866072beeb9ea6fb0b7f7ec99563724e1cd37d", kill_on_drop: false }`
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling nibble_vec v0.0.4
[INFO] [stderr]    Compiling radix_trie v0.1.4
[INFO] [stderr]    Compiling day-01 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/day3.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let mut line = line.expect("Err getting line");
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.09s
[INFO] running `Command { std: "docker" "inspect" "a86ec9c79252f6b75f45c83968866072beeb9ea6fb0b7f7ec99563724e1cd37d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a86ec9c79252f6b75f45c83968866072beeb9ea6fb0b7f7ec99563724e1cd37d", kill_on_drop: false }`
[INFO] [stdout] a86ec9c79252f6b75f45c83968866072beeb9ea6fb0b7f7ec99563724e1cd37d
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 132cee4edaa699a4e7d660efbb3a0a1765ccd2a5ac4efccb6251de9296f7e632
[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" "132cee4edaa699a4e7d660efbb3a0a1765ccd2a5ac4efccb6251de9296f7e632", kill_on_drop: false }`
[INFO] [stderr]    Compiling day-01 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/day3.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let mut line = line.expect("Err getting line");
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.99s
[INFO] running `Command { std: "docker" "inspect" "132cee4edaa699a4e7d660efbb3a0a1765ccd2a5ac4efccb6251de9296f7e632", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "132cee4edaa699a4e7d660efbb3a0a1765ccd2a5ac4efccb6251de9296f7e632", kill_on_drop: false }`
[INFO] [stdout] 132cee4edaa699a4e7d660efbb3a0a1765ccd2a5ac4efccb6251de9296f7e632
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 834b407e57e0abcf35aa659e8d49c79b7f4236a2ab09312b30445fa129e325a7
[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" "834b407e57e0abcf35aa659e8d49c79b7f4236a2ab09312b30445fa129e325a7", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/day3.rs:19:13
[INFO] [stderr]    |
[INFO] [stderr] 19 |         let mut line = line.expect("Err getting line");
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/day1-2e02e882b2a8ab0d
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_sum_lines ... ok
[INFO] [stdout] test test_first_rep_req ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/day2-a7bc68e062989cf3
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_scan_word_for_n ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/day3-3c9e29dd2e3893d0
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_convert_line_to_position ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/day4-17bd29babccf03de
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_string_to_date ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/day5-59bd764c7cb842f9
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/day6-bd214e8c2ec06967
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_parse_line_to_point ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/day7-9c922e1c331fcf11
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_parse_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "834b407e57e0abcf35aa659e8d49c79b7f4236a2ab09312b30445fa129e325a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "834b407e57e0abcf35aa659e8d49c79b7f4236a2ab09312b30445fa129e325a7", kill_on_drop: false }`
[INFO] [stdout] 834b407e57e0abcf35aa659e8d49c79b7f4236a2ab09312b30445fa129e325a7