[INFO] cloning repository https://github.com/OshinoShinobu-Chan/shell-shell
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/OshinoShinobu-Chan/shell-shell" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOshinoShinobu-Chan%2Fshell-shell", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOshinoShinobu-Chan%2Fshell-shell'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c97871b7357d64a6675c44b246d67897a171de85
[INFO] testing OshinoShinobu-Chan/shell-shell against master#160e7623e8cbbf1feab2b6e2a24733a98c7bde9c for pr-145628-retry-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOshinoShinobu-Chan%2Fshell-shell" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/OshinoShinobu-Chan/shell-shell
[INFO] finished tweaking git repo https://github.com/OshinoShinobu-Chan/shell-shell
[INFO] tweaked toml for git repo https://github.com/OshinoShinobu-Chan/shell-shell written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/OshinoShinobu-Chan/shell-shell on toolchain 160e7623e8cbbf1feab2b6e2a24733a98c7bde9c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/OshinoShinobu-Chan/shell-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" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fern v0.7.1
[INFO] [stderr]   Downloaded pty v0.2.2
[INFO] [stderr]   Downloaded errno v0.1.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 41f6c9ab1c1eb1e312811f656d6e71fbb4d5e303905dceb539d816e6fd60ffbe
[INFO] running `Command { std: "docker" "start" "-a" "41f6c9ab1c1eb1e312811f656d6e71fbb4d5e303905dceb539d816e6fd60ffbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41f6c9ab1c1eb1e312811f656d6e71fbb4d5e303905dceb539d816e6fd60ffbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41f6c9ab1c1eb1e312811f656d6e71fbb4d5e303905dceb539d816e6fd60ffbe", kill_on_drop: false }`
[INFO] [stdout] 41f6c9ab1c1eb1e312811f656d6e71fbb4d5e303905dceb539d816e6fd60ffbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ea88c6fc89c2274740848ee3877af7bd5dd3614138a962e1bf4ed80cc4e360f
[INFO] running `Command { std: "docker" "start" "-a" "6ea88c6fc89c2274740848ee3877af7bd5dd3614138a962e1bf4ed80cc4e360f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling log v0.4.25
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling fern v0.7.1
[INFO] [stderr]    Compiling errno v0.1.8
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling termios v0.3.3
[INFO] [stderr]    Compiling pty v0.2.2
[INFO] [stderr]    Compiling shell-shell v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/pre.rs:25:21
[INFO] [stdout]    |
[INFO] [stdout] 25 |                 let mut len = n;
[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: enum `PluginInvokeMode` is never used
[INFO] [stdout]   --> src/plugin.rs:32:10
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub enum PluginInvokeMode {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `PluginErrorMode` is never used
[INFO] [stdout]   --> src/plugin.rs:43:10
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub enum PluginErrorMode {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PluginConfig` is never constructed
[INFO] [stdout]   --> src/plugin.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub struct PluginConfig {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Plugin` is never constructed
[INFO] [stdout]   --> src/plugin.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct Plugin {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.46s
[INFO] running `Command { std: "docker" "inspect" "6ea88c6fc89c2274740848ee3877af7bd5dd3614138a962e1bf4ed80cc4e360f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ea88c6fc89c2274740848ee3877af7bd5dd3614138a962e1bf4ed80cc4e360f", kill_on_drop: false }`
[INFO] [stdout] 6ea88c6fc89c2274740848ee3877af7bd5dd3614138a962e1bf4ed80cc4e360f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e89a8d59b77c6be3f2e966de8906eb0de1ceeae2e90749ba9f9cfb403ffad19
[INFO] running `Command { std: "docker" "start" "-a" "1e89a8d59b77c6be3f2e966de8906eb0de1ceeae2e90749ba9f9cfb403ffad19", kill_on_drop: false }`
[INFO] [stderr]    Compiling shell-shell v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/pre.rs:25:21
[INFO] [stdout]    |
[INFO] [stdout] 25 |                 let mut len = n;
[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: enum `PluginInvokeMode` is never used
[INFO] [stdout]   --> src/plugin.rs:32:10
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub enum PluginInvokeMode {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `PluginErrorMode` is never used
[INFO] [stdout]   --> src/plugin.rs:43:10
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub enum PluginErrorMode {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PluginConfig` is never constructed
[INFO] [stdout]   --> src/plugin.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub struct PluginConfig {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Plugin` is never constructed
[INFO] [stdout]   --> src/plugin.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct Plugin {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "1e89a8d59b77c6be3f2e966de8906eb0de1ceeae2e90749ba9f9cfb403ffad19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e89a8d59b77c6be3f2e966de8906eb0de1ceeae2e90749ba9f9cfb403ffad19", kill_on_drop: false }`
[INFO] [stdout] 1e89a8d59b77c6be3f2e966de8906eb0de1ceeae2e90749ba9f9cfb403ffad19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c279a0dee62627d6e1e9d827df19d14b457de2afcb70a85fcb6348ca6ac03f53
[INFO] running `Command { std: "docker" "start" "-a" "c279a0dee62627d6e1e9d827df19d14b457de2afcb70a85fcb6348ca6ac03f53", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/pre.rs:25:21
[INFO] [stderr]    |
[INFO] [stderr] 25 |                 let mut len = n;
[INFO] [stderr]    |                     ----^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum `PluginInvokeMode` is never used
[INFO] [stderr]   --> src/plugin.rs:32:10
[INFO] [stderr]    |
[INFO] [stderr] 32 | pub enum PluginInvokeMode {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum `PluginErrorMode` is never used
[INFO] [stderr]   --> src/plugin.rs:43:10
[INFO] [stderr]    |
[INFO] [stderr] 43 | pub enum PluginErrorMode {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `PluginConfig` is never constructed
[INFO] [stderr]   --> src/plugin.rs:50:12
[INFO] [stderr]    |
[INFO] [stderr] 50 | pub struct PluginConfig {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Plugin` is never constructed
[INFO] [stderr]   --> src/plugin.rs:56:12
[INFO] [stderr]    |
[INFO] [stderr] 56 | pub struct Plugin {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `shell-shell` (bin "shell-shell" test) generated 5 warnings (run `cargo fix --bin "shell-shell" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/shell_shell-9802a949c89cd03a)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c279a0dee62627d6e1e9d827df19d14b457de2afcb70a85fcb6348ca6ac03f53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c279a0dee62627d6e1e9d827df19d14b457de2afcb70a85fcb6348ca6ac03f53", kill_on_drop: false }`
[INFO] [stdout] c279a0dee62627d6e1e9d827df19d14b457de2afcb70a85fcb6348ca6ac03f53