[INFO] cloning repository https://github.com/kalyan63/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/kalyan63/Rust-shell" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkalyan63%2FRust-shell", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkalyan63%2FRust-shell'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0ba2de2445badf490cb9332a87f8ed025392de2c
[INFO] testing kalyan63/Rust-shell against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkalyan63%2FRust-shell" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  64% (785/1211)
Updating files:  65% (788/1211)
Updating files:  66% (800/1211)
Updating files:  67% (812/1211)
Updating files:  68% (824/1211)
Updating files:  69% (836/1211)
Updating files:  70% (848/1211)
Updating files:  71% (860/1211)
Updating files:  72% (872/1211)
Updating files:  73% (885/1211)
Updating files:  74% (897/1211)
Updating files:  75% (909/1211)
Updating files:  76% (921/1211)
Updating files:  77% (933/1211)
Updating files:  78% (945/1211)
Updating files:  79% (957/1211)
Updating files:  80% (969/1211)
Updating files:  81% (981/1211)
Updating files:  82% (994/1211)
Updating files:  83% (1006/1211)
Updating files:  84% (1018/1211)
Updating files:  85% (1030/1211)
Updating files:  86% (1042/1211)
Updating files:  87% (1054/1211)
Updating files:  88% (1066/1211)
Updating files:  89% (1078/1211)
Updating files:  90% (1090/1211)
Updating files:  91% (1103/1211)
Updating files:  92% (1115/1211)
Updating files:  93% (1127/1211)
Updating files:  94% (1139/1211)
Updating files:  95% (1151/1211)
Updating files:  96% (1163/1211)
Updating files:  97% (1175/1211)
Updating files:  98% (1187/1211)
Updating files:  99% (1199/1211)
Updating files: 100% (1211/1211)
Updating files: 100% (1211/1211), done.
[INFO] validating manifest of git repo https://github.com/kalyan63/Rust-shell on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kalyan63/Rust-shell
[INFO] finished tweaking git repo https://github.com/kalyan63/Rust-shell
[INFO] tweaked toml for git repo https://github.com/kalyan63/Rust-shell written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/kalyan63/Rust-shell already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9088766cfde64a8885eb3e1b80aad318d03abeb9b027aa16d204193453ec541b
[INFO] running `Command { std: "docker" "start" "-a" "9088766cfde64a8885eb3e1b80aad318d03abeb9b027aa16d204193453ec541b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9088766cfde64a8885eb3e1b80aad318d03abeb9b027aa16d204193453ec541b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9088766cfde64a8885eb3e1b80aad318d03abeb9b027aa16d204193453ec541b", kill_on_drop: false }`
[INFO] [stdout] 9088766cfde64a8885eb3e1b80aad318d03abeb9b027aa16d204193453ec541b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b93232ad9310e244abb084bf9b8ffb2db1580933abf74a4828cc0454314f83b7
[INFO] running `Command { std: "docker" "start" "-a" "b93232ad9310e244abb084bf9b8ffb2db1580933abf74a4828cc0454314f83b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling shell v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::Command`
[INFO] [stdout]  --> src/script.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::process::Command;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `cmd` is never read
[INFO] [stdout]   --> src/execute.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let mut cmd=String::new();
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `argument` is never read
[INFO] [stdout]   --> src/execute.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let mut argument=Vec::new();
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/ls.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn run(dir: &Path) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "b93232ad9310e244abb084bf9b8ffb2db1580933abf74a4828cc0454314f83b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b93232ad9310e244abb084bf9b8ffb2db1580933abf74a4828cc0454314f83b7", kill_on_drop: false }`
[INFO] [stdout] b93232ad9310e244abb084bf9b8ffb2db1580933abf74a4828cc0454314f83b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52ca89f904f022e0aeb644278aa1d88aaafd3a164499294c2af02a225d7bbd10
[INFO] running `Command { std: "docker" "start" "-a" "52ca89f904f022e0aeb644278aa1d88aaafd3a164499294c2af02a225d7bbd10", kill_on_drop: false }`
[INFO] [stderr]    Compiling shell v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::Command`
[INFO] [stdout]  --> src/script.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::process::Command;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `cmd` is never read
[INFO] [stdout]   --> src/execute.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let mut cmd=String::new();
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `argument` is never read
[INFO] [stdout]   --> src/execute.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let mut argument=Vec::new();
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/ls.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn run(dir: &Path) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "52ca89f904f022e0aeb644278aa1d88aaafd3a164499294c2af02a225d7bbd10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52ca89f904f022e0aeb644278aa1d88aaafd3a164499294c2af02a225d7bbd10", kill_on_drop: false }`
[INFO] [stdout] 52ca89f904f022e0aeb644278aa1d88aaafd3a164499294c2af02a225d7bbd10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a782e3efb08f06f4c190837f7eab8e7a716d15afcfdd6e373f9aec60aa89c134
[INFO] running `Command { std: "docker" "start" "-a" "a782e3efb08f06f4c190837f7eab8e7a716d15afcfdd6e373f9aec60aa89c134", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 3 | use std::path::Path;
[INFO] [stdout] 
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::process::Command`
[INFO] [stderr]  --> src/script.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::process::Command;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `cmd` is never read
[INFO] [stderr]   --> src/execute.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 |     let mut cmd=String::new();
[INFO] [stderr]    |             ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `argument` is never read
[INFO] [stderr]   --> src/execute.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let mut argument=Vec::new();
[INFO] [stderr]    |             ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/ls.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn run(dir: &Path) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stderr]   |        ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `shell` (bin "shell" test) generated 5 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.44s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/shell-d096709fc0fb0d9c)
[INFO] running `Command { std: "docker" "inspect" "a782e3efb08f06f4c190837f7eab8e7a716d15afcfdd6e373f9aec60aa89c134", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a782e3efb08f06f4c190837f7eab8e7a716d15afcfdd6e373f9aec60aa89c134", kill_on_drop: false }`
[INFO] [stdout] a782e3efb08f06f4c190837f7eab8e7a716d15afcfdd6e373f9aec60aa89c134