[INFO] cloning repository https://github.com/Rafael-monte/shell-handler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Rafael-monte/shell-handler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRafael-monte%2Fshell-handler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRafael-monte%2Fshell-handler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 248ad1b3a67c0095f952caf06db8bbba38bd3768
[INFO] checking Rafael-monte/shell-handler against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRafael-monte%2Fshell-handler" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Rafael-monte/shell-handler
[INFO] finished tweaking git repo https://github.com/Rafael-monte/shell-handler
[INFO] tweaked toml for git repo https://github.com/Rafael-monte/shell-handler written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Rafael-monte/shell-handler on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Rafael-monte/shell-handler 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ff2e44877326417aeb8831c349c6b93fa933ecd535f732a2c4ecd0cd3408529
[INFO] running `Command { std: "docker" "start" "-a" "7ff2e44877326417aeb8831c349c6b93fa933ecd535f732a2c4ecd0cd3408529", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ff2e44877326417aeb8831c349c6b93fa933ecd535f732a2c4ecd0cd3408529", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ff2e44877326417aeb8831c349c6b93fa933ecd535f732a2c4ecd0cd3408529", kill_on_drop: false }`
[INFO] [stdout] 7ff2e44877326417aeb8831c349c6b93fa933ecd535f732a2c4ecd0cd3408529
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa73d887fb8eebabfac94a4e89da54151c4b626b69aaefbb875e63da42f65842
[INFO] running `Command { std: "docker" "start" "-a" "aa73d887fb8eebabfac94a4e89da54151c4b626b69aaefbb875e63da42f65842", kill_on_drop: false }`
[INFO] [stderr]     Checking shell-handler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `add_new_alias` is never used
[INFO] [stdout]  --> src/model/abs_config_file_handler.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait AbstractConfigFileHandler {
[INFO] [stdout]   |           ------------------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 6 |     fn add_new_alias(&mut self, alias_name: &str, command: &str) -> (); 
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<OsString, Infallible>
[INFO] [stdout]   --> src/model/bash_config_file.rs:14:39
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let mut file_path: OsString = OsString::from_str(config::DEFAULT_SHELL_LOCATION).unwrap();
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<OsString, Infallible>
[INFO] [stdout]   --> src/model/bash_config_file.rs:16:25
[INFO] [stdout]    |
[INFO] [stdout] 16 |             file_path = OsString::from_str(bash_file_path.unwrap()).unwrap();
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `shell-handler` (bin "shell-handler") due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: method `add_new_alias` is never used
[INFO] [stdout]  --> src/model/abs_config_file_handler.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait AbstractConfigFileHandler {
[INFO] [stdout]   |           ------------------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 6 |     fn add_new_alias(&mut self, alias_name: &str, command: &str) -> (); 
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<OsString, Infallible>
[INFO] [stdout]   --> src/model/bash_config_file.rs:14:39
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let mut file_path: OsString = OsString::from_str(config::DEFAULT_SHELL_LOCATION).unwrap();
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<OsString, Infallible>
[INFO] [stdout]   --> src/model/bash_config_file.rs:16:25
[INFO] [stdout]    |
[INFO] [stdout] 16 |             file_path = OsString::from_str(bash_file_path.unwrap()).unwrap();
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `shell-handler` (bin "shell-handler" test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "aa73d887fb8eebabfac94a4e89da54151c4b626b69aaefbb875e63da42f65842", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa73d887fb8eebabfac94a4e89da54151c4b626b69aaefbb875e63da42f65842", kill_on_drop: false }`
[INFO] [stdout] aa73d887fb8eebabfac94a4e89da54151c4b626b69aaefbb875e63da42f65842