[INFO] cloning repository https://github.com/tomyamkum/rust-shell
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tomyamkum/rust-shell" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomyamkum%2Frust-shell", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomyamkum%2Frust-shell'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1a655ad4e1d9bb3d8884d0472665eed1da8e41f2
[INFO] checking tomyamkum/rust-shell against try#6757d700f93f6d16c8b39cf79e96b019bd570e7d for pr-155299-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomyamkum%2Frust-shell" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tomyamkum/rust-shell
[INFO] finished tweaking git repo https://github.com/tomyamkum/rust-shell
[INFO] tweaked toml for git repo https://github.com/tomyamkum/rust-shell written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tomyamkum/rust-shell on toolchain 6757d700f93f6d16c8b39cf79e96b019bd570e7d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6757d700f93f6d16c8b39cf79e96b019bd570e7d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tomyamkum/rust-shell 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" "+6757d700f93f6d16c8b39cf79e96b019bd570e7d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+6757d700f93f6d16c8b39cf79e96b019bd570e7d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6dd56ec6cc650c9b26947b7ffd0fd8b74731b1060192b587e3534947b1d0167d
[INFO] running `Command { std: "docker" "start" "-a" "6dd56ec6cc650c9b26947b7ffd0fd8b74731b1060192b587e3534947b1d0167d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6dd56ec6cc650c9b26947b7ffd0fd8b74731b1060192b587e3534947b1d0167d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dd56ec6cc650c9b26947b7ffd0fd8b74731b1060192b587e3534947b1d0167d", kill_on_drop: false }`
[INFO] [stdout] 6dd56ec6cc650c9b26947b7ffd0fd8b74731b1060192b587e3534947b1d0167d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+6757d700f93f6d16c8b39cf79e96b019bd570e7d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6fd3b85ddbd3aa033c14e53190876084fc195fc728767ae5b0e235bea73bfc95
[INFO] running `Command { std: "docker" "start" "-a" "6fd3b85ddbd3aa033c14e53190876084fc195fc728767ae5b0e235bea73bfc95", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling winapi v0.3.8
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]     Checking rgb v0.8.14
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking winconsole v0.10.0
[INFO] [stderr]     Checking colored v1.8.0
[INFO] [stderr]     Checking shell v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/main.rs:188:30
[INFO] [stdout]     |
[INFO] [stdout] 182 | /                         execv(
[INFO] [stdout] 183 | |                             &path,
[INFO] [stdout] 184 | |                             &[
[INFO] [stdout] 185 | |                                 path.clone(),
[INFO] [stdout] 186 | |                                 args,
[INFO] [stdout] 187 | |                             ],
[INFO] [stdout] 188 | |                         ).expect("textプログラム失敗");
[INFO] [stdout]     | |                                                      -^ unreachable expression
[INFO] [stdout]     | |______________________________________________________|
[INFO] [stdout]     |                                                        any code following this expression is unreachable
[INFO] [stdout]     |
[INFO] [stdout] note: this expression has type `void::Void`, which is uninhabited
[INFO] [stdout]    --> src/main.rs:182:7
[INFO] [stdout]     |
[INFO] [stdout] 182 | /                         execv(
[INFO] [stdout] 183 | |                             &path,
[INFO] [stdout] 184 | |                             &[
[INFO] [stdout] 185 | |                                 path.clone(),
[INFO] [stdout] 186 | |                                 args,
[INFO] [stdout] 187 | |                             ],
[INFO] [stdout] 188 | |                         ).expect("textプログラム失敗");
[INFO] [stdout]     | |______________________________________________________^
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/main.rs:215:30
[INFO] [stdout]     |
[INFO] [stdout] 209 | /                         execv(
[INFO] [stdout] 210 | |                             &path,
[INFO] [stdout] 211 | |                             &[
[INFO] [stdout] 212 | |                                 path.clone(),
[INFO] [stdout] 213 | |                                 args,
[INFO] [stdout] 214 | |                             ],
[INFO] [stdout] 215 | |                         ).expect("textプログラム失敗");
[INFO] [stdout]     | |                                                      -^ unreachable expression
[INFO] [stdout]     | |______________________________________________________|
[INFO] [stdout]     |                                                        any code following this expression is unreachable
[INFO] [stdout]     |
[INFO] [stdout] note: this expression has type `void::Void`, which is uninhabited
[INFO] [stdout]    --> src/main.rs:209:7
[INFO] [stdout]     |
[INFO] [stdout] 209 | /                         execv(
[INFO] [stdout] 210 | |                             &path,
[INFO] [stdout] 211 | |                             &[
[INFO] [stdout] 212 | |                                 path.clone(),
[INFO] [stdout] 213 | |                                 args,
[INFO] [stdout] 214 | |                             ],
[INFO] [stdout] 215 | |                         ).expect("textプログラム失敗");
[INFO] [stdout]     | |______________________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/main.rs:241:28
[INFO] [stdout]     |
[INFO] [stdout] 235 | / ...                   execv(
[INFO] [stdout] 236 | | ...                       &path, 
[INFO] [stdout] 237 | | ...                       &[
[INFO] [stdout] 238 | | ...                           path.clone(),
[INFO] [stdout] 239 | | ...                           args,
[INFO] [stdout] 240 | | ...                       ],
[INFO] [stdout] 241 | | ...                   ).expect("子プロセス失敗");
[INFO] [stdout]     | |                                                -^ unreachable expression
[INFO] [stdout]     | |________________________________________________|
[INFO] [stdout]     |                                                  any code following this expression is unreachable
[INFO] [stdout]     |
[INFO] [stdout] note: this expression has type `void::Void`, which is uninhabited
[INFO] [stdout]    --> src/main.rs:235:9
[INFO] [stdout]     |
[INFO] [stdout] 235 | / ...                   execv(
[INFO] [stdout] 236 | | ...                       &path, 
[INFO] [stdout] 237 | | ...                       &[
[INFO] [stdout] 238 | | ...                           path.clone(),
[INFO] [stdout] 239 | | ...                           args,
[INFO] [stdout] 240 | | ...                       ],
[INFO] [stdout] 241 | | ...                   ).expect("子プロセス失敗");
[INFO] [stdout]     | |________________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 let mut target: String;
[INFO] [stdout]    |                     ----^^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/main.rs:188:30
[INFO] [stdout]     |
[INFO] [stdout] 182 | /                         execv(
[INFO] [stdout] 183 | |                             &path,
[INFO] [stdout] 184 | |                             &[
[INFO] [stdout] 185 | |                                 path.clone(),
[INFO] [stdout] 186 | |                                 args,
[INFO] [stdout] 187 | |                             ],
[INFO] [stdout] 188 | |                         ).expect("textプログラム失敗");
[INFO] [stdout]     | |                                                      -^ unreachable expression
[INFO] [stdout]     | |______________________________________________________|
[INFO] [stdout]     |                                                        any code following this expression is unreachable
[INFO] [stdout]     |
[INFO] [stdout] note: this expression has type `void::Void`, which is uninhabited
[INFO] [stdout]    --> src/main.rs:182:7
[INFO] [stdout]     |
[INFO] [stdout] 182 | /                         execv(
[INFO] [stdout] 183 | |                             &path,
[INFO] [stdout] 184 | |                             &[
[INFO] [stdout] 185 | |                                 path.clone(),
[INFO] [stdout] 186 | |                                 args,
[INFO] [stdout] 187 | |                             ],
[INFO] [stdout] 188 | |                         ).expect("textプログラム失敗");
[INFO] [stdout]     | |______________________________________________________^
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/main.rs:215:30
[INFO] [stdout]     |
[INFO] [stdout] 209 | /                         execv(
[INFO] [stdout] 210 | |                             &path,
[INFO] [stdout] 211 | |                             &[
[INFO] [stdout] 212 | |                                 path.clone(),
[INFO] [stdout] 213 | |                                 args,
[INFO] [stdout] 214 | |                             ],
[INFO] [stdout] 215 | |                         ).expect("textプログラム失敗");
[INFO] [stdout]     | |                                                      -^ unreachable expression
[INFO] [stdout]     | |______________________________________________________|
[INFO] [stdout]     |                                                        any code following this expression is unreachable
[INFO] [stdout]     |
[INFO] [stdout] note: this expression has type `void::Void`, which is uninhabited
[INFO] [stdout]    --> src/main.rs:209:7
[INFO] [stdout]     |
[INFO] [stdout] 209 | /                         execv(
[INFO] [stdout] 210 | |                             &path,
[INFO] [stdout] 211 | |                             &[
[INFO] [stdout] 212 | |                                 path.clone(),
[INFO] [stdout] 213 | |                                 args,
[INFO] [stdout] 214 | |                             ],
[INFO] [stdout] 215 | |                         ).expect("textプログラム失敗");
[INFO] [stdout]     | |______________________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/main.rs:241:28
[INFO] [stdout]     |
[INFO] [stdout] 235 | / ...                   execv(
[INFO] [stdout] 236 | | ...                       &path, 
[INFO] [stdout] 237 | | ...                       &[
[INFO] [stdout] 238 | | ...                           path.clone(),
[INFO] [stdout] 239 | | ...                           args,
[INFO] [stdout] 240 | | ...                       ],
[INFO] [stdout] 241 | | ...                   ).expect("子プロセス失敗");
[INFO] [stdout]     | |                                                -^ unreachable expression
[INFO] [stdout]     | |________________________________________________|
[INFO] [stdout]     |                                                  any code following this expression is unreachable
[INFO] [stdout]     |
[INFO] [stdout] note: this expression has type `void::Void`, which is uninhabited
[INFO] [stdout]    --> src/main.rs:235:9
[INFO] [stdout]     |
[INFO] [stdout] 235 | / ...                   execv(
[INFO] [stdout] 236 | | ...                       &path, 
[INFO] [stdout] 237 | | ...                       &[
[INFO] [stdout] 238 | | ...                           path.clone(),
[INFO] [stdout] 239 | | ...                           args,
[INFO] [stdout] 240 | | ...                       ],
[INFO] [stdout] 241 | | ...                   ).expect("子プロセス失敗");
[INFO] [stdout]     | |________________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 let mut target: String;
[INFO] [stdout]    |                     ----^^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.68s
[INFO] running `Command { std: "docker" "inspect" "6fd3b85ddbd3aa033c14e53190876084fc195fc728767ae5b0e235bea73bfc95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fd3b85ddbd3aa033c14e53190876084fc195fc728767ae5b0e235bea73bfc95", kill_on_drop: false }`
[INFO] [stdout] 6fd3b85ddbd3aa033c14e53190876084fc195fc728767ae5b0e235bea73bfc95
