[INFO] cloning repository https://github.com/steven-omaha/enigma
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/steven-omaha/enigma" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsteven-omaha%2Fenigma", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsteven-omaha%2Fenigma'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5d546ce5c6a4d267547232346ca8cb7fa05bdf5b
[INFO] checking steven-omaha/enigma against master#023084804e5e8ea42877451c2b3030e7050281cc for pr-123909
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsteven-omaha%2Fenigma" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/steven-omaha/enigma on toolchain 023084804e5e8ea42877451c2b3030e7050281cc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+023084804e5e8ea42877451c2b3030e7050281cc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/steven-omaha/enigma
[INFO] finished tweaking git repo https://github.com/steven-omaha/enigma
[INFO] tweaked toml for git repo https://github.com/steven-omaha/enigma written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/steven-omaha/enigma already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+023084804e5e8ea42877451c2b3030e7050281cc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking steven-omaha/enigma against try#3b6ef522ec6da5b39fa0cf004b820c15884319db for pr-123909
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsteven-omaha%2Fenigma" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/steven-omaha/enigma on toolchain 3b6ef522ec6da5b39fa0cf004b820c15884319db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3b6ef522ec6da5b39fa0cf004b820c15884319db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/steven-omaha/enigma
[INFO] finished tweaking git repo https://github.com/steven-omaha/enigma
[INFO] tweaked toml for git repo https://github.com/steven-omaha/enigma written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/steven-omaha/enigma already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3b6ef522ec6da5b39fa0cf004b820c15884319db" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+3b6ef522ec6da5b39fa0cf004b820c15884319db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46f2f5424b8132e45b00f568a49b250edc5446cba7145a9f49fdfec50d514f11
[INFO] running `Command { std: "docker" "start" "-a" "46f2f5424b8132e45b00f568a49b250edc5446cba7145a9f49fdfec50d514f11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46f2f5424b8132e45b00f568a49b250edc5446cba7145a9f49fdfec50d514f11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46f2f5424b8132e45b00f568a49b250edc5446cba7145a9f49fdfec50d514f11", kill_on_drop: false }`
[INFO] [stdout] 46f2f5424b8132e45b00f568a49b250edc5446cba7145a9f49fdfec50d514f11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+3b6ef522ec6da5b39fa0cf004b820c15884319db" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f7f8084cdf313fdbf8a3878e91ee4be3362977b2741dc59da0243d107645e88
[INFO] running `Command { std: "docker" "start" "-a" "3f7f8084cdf313fdbf8a3878e91ee4be3362977b2741dc59da0243d107645e88", kill_on_drop: false }`
[INFO] [stderr]     Checking enigma v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/enigma.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 136 |         todo!();
[INFO] [stdout]     |         ------- any code following this expression is unreachable
[INFO] [stdout] 137 |
[INFO] [stdout] 138 |         let mut enigma = new_default();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `decrypt` is never used
[INFO] [stdout]   --> src/enigma.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Enigma {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 13 |     pub fn decrypt(&mut self, message: Message) -> Message {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Decrypt` is never constructed
[INFO] [stdout]  --> src/mode.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum Mode {
[INFO] [stdout]   |          ---- variant in this enum
[INFO] [stdout] 2 |     Encrypt,
[INFO] [stdout] 3 |     Decrypt,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `add_pair` is never used
[INFO] [stdout]   --> src/plugboard.rs:89:12
[INFO] [stdout]    |
[INFO] [stdout] 43 | impl Plugboard {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 89 |     pub fn add_pair(&mut self, pair: Pair) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Reverse` is never constructed
[INFO] [stdout]   --> src/rotor.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | enum ShiftDirection {
[INFO] [stdout]    |      -------------- variant in this enum
[INFO] [stdout] 18 |     Forward,
[INFO] [stdout] 19 |     Reverse,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `reverse` is never read
[INFO] [stdout]   --> src/rotor.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct Rotor {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 23 |     forward: HashMap<char, char>,
[INFO] [stdout] 24 |     reverse: HashMap<char, char>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `decrypt` is never used
[INFO] [stdout]   --> src/enigma.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Enigma {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 13 |     pub fn decrypt(&mut self, message: Message) -> Message {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Decrypt` is never constructed
[INFO] [stdout]  --> src/mode.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum Mode {
[INFO] [stdout]   |          ---- variant in this enum
[INFO] [stdout] 2 |     Encrypt,
[INFO] [stdout] 3 |     Decrypt,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `add_pair` is never used
[INFO] [stdout]   --> src/plugboard.rs:89:12
[INFO] [stdout]    |
[INFO] [stdout] 43 | impl Plugboard {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 89 |     pub fn add_pair(&mut self, pair: Pair) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `reverse` is never read
[INFO] [stdout]   --> src/rotor.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct Rotor {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 23 |     forward: HashMap<char, char>,
[INFO] [stdout] 24 |     reverse: HashMap<char, char>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "3f7f8084cdf313fdbf8a3878e91ee4be3362977b2741dc59da0243d107645e88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f7f8084cdf313fdbf8a3878e91ee4be3362977b2741dc59da0243d107645e88", kill_on_drop: false }`
[INFO] [stdout] 3f7f8084cdf313fdbf8a3878e91ee4be3362977b2741dc59da0243d107645e88