[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 try#16fbf98f22730e073c09e7b03f0eafb87a295545 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-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/OshinoShinobu-Chan/shell-shell on toolchain 16fbf98f22730e073c09e7b03f0eafb87a295545
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "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" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2be969a3733fd0ac2335dc2eb6d9eff54468b8ef08c47c9cab3b17fdf63f7db4
[INFO] running `Command { std: "docker" "start" "-a" "2be969a3733fd0ac2335dc2eb6d9eff54468b8ef08c47c9cab3b17fdf63f7db4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2be969a3733fd0ac2335dc2eb6d9eff54468b8ef08c47c9cab3b17fdf63f7db4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2be969a3733fd0ac2335dc2eb6d9eff54468b8ef08c47c9cab3b17fdf63f7db4", kill_on_drop: false }`
[INFO] [stdout] 2be969a3733fd0ac2335dc2eb6d9eff54468b8ef08c47c9cab3b17fdf63f7db4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73592db60fff5c52a4104ec2faebaacaa72987eeb2da305b4dae83dd20b6bccf
[INFO] running `Command { std: "docker" "start" "-a" "73592db60fff5c52a4104ec2faebaacaa72987eeb2da305b4dae83dd20b6bccf", 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 signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling errno v0.1.8
[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 2.93s
[INFO] running `Command { std: "docker" "inspect" "73592db60fff5c52a4104ec2faebaacaa72987eeb2da305b4dae83dd20b6bccf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73592db60fff5c52a4104ec2faebaacaa72987eeb2da305b4dae83dd20b6bccf", kill_on_drop: false }`
[INFO] [stdout] 73592db60fff5c52a4104ec2faebaacaa72987eeb2da305b4dae83dd20b6bccf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ff4753b15f96149e118536d2f87b8fd6cc52424e9b5d48b0408e693ee5c0f7a
[INFO] running `Command { std: "docker" "start" "-a" "4ff4753b15f96149e118536d2f87b8fd6cc52424e9b5d48b0408e693ee5c0f7a", 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 0.39s
[INFO] running `Command { std: "docker" "inspect" "4ff4753b15f96149e118536d2f87b8fd6cc52424e9b5d48b0408e693ee5c0f7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ff4753b15f96149e118536d2f87b8fd6cc52424e9b5d48b0408e693ee5c0f7a", kill_on_drop: false }`
[INFO] [stdout] 4ff4753b15f96149e118536d2f87b8fd6cc52424e9b5d48b0408e693ee5c0f7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5c412b01a6d7afbf06cf2e0b076b0cabdebdd09e66f21f83e40e7f62bfd56b8d
[INFO] running `Command { std: "docker" "start" "-a" "5c412b01a6d7afbf06cf2e0b076b0cabdebdd09e66f21f83e40e7f62bfd56b8d", 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 0.06s
[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" "5c412b01a6d7afbf06cf2e0b076b0cabdebdd09e66f21f83e40e7f62bfd56b8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c412b01a6d7afbf06cf2e0b076b0cabdebdd09e66f21f83e40e7f62bfd56b8d", kill_on_drop: false }`
[INFO] [stdout] 5c412b01a6d7afbf06cf2e0b076b0cabdebdd09e66f21f83e40e7f62bfd56b8d