[INFO] cloning 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" "clone" "--bare" "https://github.com/dwallach1/Spell-Checker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdwallach1%2FSpell-Checker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdwallach1%2FSpell-Checker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 21ceaec76b202443107aa3787e18957b7ecd6908
[INFO] testing dwallach1/Spell-Checker against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdwallach1%2FSpell-Checker" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dwallach1/Spell-Checker on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-14/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f94c205516981870593b5b028b6f96519f96fe2baf70a6301961fc048280cbc4
[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" "f94c205516981870593b5b028b6f96519f96fe2baf70a6301961fc048280cbc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f94c205516981870593b5b028b6f96519f96fe2baf70a6301961fc048280cbc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f94c205516981870593b5b028b6f96519f96fe2baf70a6301961fc048280cbc4", kill_on_drop: false }`
[INFO] [stdout] f94c205516981870593b5b028b6f96519f96fe2baf70a6301961fc048280cbc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c57593fe696289ce2985491343e6714ff44d5e7700e167dbdea34a3a23c438e3
[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" "c57593fe696289ce2985491343e6714ff44d5e7700e167dbdea34a3a23c438e3", 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 2.01s
[INFO] running `Command { std: "docker" "inspect" "c57593fe696289ce2985491343e6714ff44d5e7700e167dbdea34a3a23c438e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c57593fe696289ce2985491343e6714ff44d5e7700e167dbdea34a3a23c438e3", kill_on_drop: false }`
[INFO] [stdout] c57593fe696289ce2985491343e6714ff44d5e7700e167dbdea34a3a23c438e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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] eb55b2fe8a8aea1f5a4dcfc5445f1ee257d20d1934c704421e1f2f25c49a38e2
[INFO] running `Command { std: "docker" "start" "-a" "eb55b2fe8a8aea1f5a4dcfc5445f1ee257d20d1934c704421e1f2f25c49a38e2", 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 1.97s
[INFO] running `Command { std: "docker" "inspect" "eb55b2fe8a8aea1f5a4dcfc5445f1ee257d20d1934c704421e1f2f25c49a38e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb55b2fe8a8aea1f5a4dcfc5445f1ee257d20d1934c704421e1f2f25c49a38e2", kill_on_drop: false }`
[INFO] [stdout] eb55b2fe8a8aea1f5a4dcfc5445f1ee257d20d1934c704421e1f2f25c49a38e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] be76ec449854d6f8fab3fab6ed850f0103d65f6beb5e483d856fb53be8696cd3
[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" "be76ec449854d6f8fab3fab6ed850f0103d65f6beb5e483d856fb53be8696cd3", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused imports: `Write`, `stdin`, `stdout`
[INFO] [stdout] running 9 tests
[INFO] [stderr]  --> src/spell_checker.rs:3:41
[INFO] [stdout] test file_loading_tests::assert_load ... ok
[INFO] [stderr]   |
[INFO] [stdout] test spell_checker::dict_tests::assert_probability ... ok
[INFO] [stderr] 3 | use std::io::{Read, BufReader, BufRead, stdin, Write, stdout};
[INFO] [stdout] test spell_checker::dict_tests::assert_slices ... ok
[INFO] [stderr]   |                                         ^^^^^  ^^^^^  ^^^^^^
[INFO] [stdout] test spell_checker::dict_tests::assert_counts ... ok
[INFO] [stderr]   |
[INFO] [stdout] test spell_checker::dict_tests::assert_candidates ... ok
[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: `hw2` (bin "hw2" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hw2-ec8312b7750b9865)
[INFO] [stdout] test spell_checker::dict_tests::assert_correct ... ok
[INFO] [stdout] test spell_checker::dict_tests::assert_correct_choice ... ok
[INFO] [stdout] test spell_checker::dict_tests::assert_wordp ... ok
[INFO] [stdout] test file_loading_tests::assert_panic_bad_file - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "be76ec449854d6f8fab3fab6ed850f0103d65f6beb5e483d856fb53be8696cd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be76ec449854d6f8fab3fab6ed850f0103d65f6beb5e483d856fb53be8696cd3", kill_on_drop: false }`
[INFO] [stdout] be76ec449854d6f8fab3fab6ed850f0103d65f6beb5e483d856fb53be8696cd3