[INFO] updating cached repository https://github.com/dwallach1/Spell-Checker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 21ceaec76b202443107aa3787e18957b7ecd6908
[INFO] testing dwallach1/Spell-Checker against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdwallach1%2FSpell-Checker" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dwallach1/Spell-Checker on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dwallach1/Spell-Checker
[INFO] finished tweaking git repo https://github.com/dwallach1/Spell-Checker
[INFO] tweaked toml for git repo https://github.com/dwallach1/Spell-Checker written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/dwallach1/Spell-Checker already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5d2c0f18b87e46ed9a453f320d8630e5565561f14d25d89aa3191a75ae88d95
[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" "d5d2c0f18b87e46ed9a453f320d8630e5565561f14d25d89aa3191a75ae88d95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5d2c0f18b87e46ed9a453f320d8630e5565561f14d25d89aa3191a75ae88d95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5d2c0f18b87e46ed9a453f320d8630e5565561f14d25d89aa3191a75ae88d95", kill_on_drop: false }`
[INFO] [stdout] d5d2c0f18b87e46ed9a453f320d8630e5565561f14d25d89aa3191a75ae88d95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=forbid" "-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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce20465ccf90dcf17f024055f09c4ac3e8555ebd200586b1638c0544547be6cb
[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" "ce20465ccf90dcf17f024055f09c4ac3e8555ebd200586b1638c0544547be6cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling hw2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Write`, `stdin`, `stdout`
[INFO] [stdout]  --> src/spell_checker.rs:3:41
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{Read, BufReader, BufRead, stdin, Write, stdout};
[INFO] [stdout]   |                                         ^^^^^  ^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `printer`
[INFO] [stdout]   --> src/spell_checker.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn printer(cache: &Trie, level: usize) {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.59s
[INFO] running `Command { std: "docker" "inspect" "ce20465ccf90dcf17f024055f09c4ac3e8555ebd200586b1638c0544547be6cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce20465ccf90dcf17f024055f09c4ac3e8555ebd200586b1638c0544547be6cb", kill_on_drop: false }`
[INFO] [stdout] ce20465ccf90dcf17f024055f09c4ac3e8555ebd200586b1638c0544547be6cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=forbid" "-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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a4d3a5b4b790c02fcc43e7250adb38472b725d43555eaeb53fdc8874177cb7a
[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" "7a4d3a5b4b790c02fcc43e7250adb38472b725d43555eaeb53fdc8874177cb7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling hw2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Write`, `stdin`, `stdout`
[INFO] [stdout]  --> src/spell_checker.rs:3:41
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{Read, BufReader, BufRead, stdin, Write, stdout};
[INFO] [stdout]   |                                         ^^^^^  ^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `printer`
[INFO] [stdout]   --> src/spell_checker.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn printer(cache: &Trie, level: usize) {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.87s
[INFO] running `Command { std: "docker" "inspect" "7a4d3a5b4b790c02fcc43e7250adb38472b725d43555eaeb53fdc8874177cb7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a4d3a5b4b790c02fcc43e7250adb38472b725d43555eaeb53fdc8874177cb7a", kill_on_drop: false }`
[INFO] [stdout] 7a4d3a5b4b790c02fcc43e7250adb38472b725d43555eaeb53fdc8874177cb7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=forbid" "-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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b44c3813719f8b27afb04f52d65e0abbf2360f9787b5f3b2820ee15a0333eecf
[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" "b44c3813719f8b27afb04f52d65e0abbf2360f9787b5f3b2820ee15a0333eecf", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `Write`, `stdin`, `stdout`
[INFO] [stderr]  --> src/spell_checker.rs:3:41
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::{Read, BufReader, BufRead, stdin, Write, stdout};
[INFO] [stderr]   |                                         ^^^^^  ^^^^^  ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `printer`
[INFO] [stderr]   --> src/spell_checker.rs:31:4
[INFO] [stderr]    |
[INFO] [stderr] 31 | fn printer(cache: &Trie, level: usize) {
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hw2-e6c2fff57a6755a3
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test spell_checker::dict_tests::assert_candidates ... ok
[INFO] [stdout] test spell_checker::dict_tests::assert_probability ... ok
[INFO] [stdout] test spell_checker::dict_tests::assert_slices ... ok
[INFO] [stdout] test spell_checker::dict_tests::assert_wordp ... ok
[INFO] [stdout] test spell_checker::dict_tests::assert_correct_choice ... ok
[INFO] [stdout] test spell_checker::dict_tests::assert_correct ... ok
[INFO] [stdout] test spell_checker::dict_tests::assert_counts ... ok
[INFO] [stdout] test file_loading_tests::assert_load ... ok
[INFO] [stdout] test file_loading_tests::assert_panic_bad_file ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b44c3813719f8b27afb04f52d65e0abbf2360f9787b5f3b2820ee15a0333eecf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b44c3813719f8b27afb04f52d65e0abbf2360f9787b5f3b2820ee15a0333eecf", kill_on_drop: false }`
[INFO] [stdout] b44c3813719f8b27afb04f52d65e0abbf2360f9787b5f3b2820ee15a0333eecf