[INFO] cloning repository https://github.com/iyud/git_pull
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iyud/git_pull" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiyud%2Fgit_pull", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiyud%2Fgit_pull'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 172d460e7204132cc973111deedc24df193cf807
[INFO] testing iyud/git_pull against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiyud%2Fgit_pull" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iyud/git_pull on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/iyud/git_pull
[INFO] finished tweaking git repo https://github.com/iyud/git_pull
[INFO] tweaked toml for git repo https://github.com/iyud/git_pull written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/iyud/git_pull already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 409121c6f2de6e1bdedf1a86c7b5779e045bf4afb50a629a903afbb607e5ed28
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "409121c6f2de6e1bdedf1a86c7b5779e045bf4afb50a629a903afbb607e5ed28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "409121c6f2de6e1bdedf1a86c7b5779e045bf4afb50a629a903afbb607e5ed28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "409121c6f2de6e1bdedf1a86c7b5779e045bf4afb50a629a903afbb607e5ed28", kill_on_drop: false }`
[INFO] [stdout] 409121c6f2de6e1bdedf1a86c7b5779e045bf4afb50a629a903afbb607e5ed28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a70b59dfb638ec879cba149ddf3a92340488c1989569e1afc7e0ea4b00f6b116
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a70b59dfb638ec879cba149ddf3a92340488c1989569e1afc7e0ea4b00f6b116", kill_on_drop: false }`
[INFO] [stderr]    Compiling git_update v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Output`
[INFO] [stdout]  --> src/main.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::process::{Command, Output};
[INFO] [stdout]   |                             ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `time`
[INFO] [stdout]  --> src/main.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{thread, time};
[INFO] [stdout]   |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pull`
[INFO] [stdout]  --> src/main.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let pull = Command::new("git")
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_pull`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:27:6
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let mut output = Command::new("git")
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "a70b59dfb638ec879cba149ddf3a92340488c1989569e1afc7e0ea4b00f6b116", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a70b59dfb638ec879cba149ddf3a92340488c1989569e1afc7e0ea4b00f6b116", kill_on_drop: false }`
[INFO] [stdout] a70b59dfb638ec879cba149ddf3a92340488c1989569e1afc7e0ea4b00f6b116
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e17a4b817460f454a04227f288c0800630c66bf9019aa7207c02b53a93738189
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e17a4b817460f454a04227f288c0800630c66bf9019aa7207c02b53a93738189", kill_on_drop: false }`
[INFO] [stderr]    Compiling git_update v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Output`
[INFO] [stdout]  --> src/main.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::process::{Command, Output};
[INFO] [stdout]   |                             ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `time`
[INFO] [stdout]  --> src/main.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{thread, time};
[INFO] [stdout]   |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pull`
[INFO] [stdout]  --> src/main.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let pull = Command::new("git")
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_pull`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:27:6
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let mut output = Command::new("git")
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "e17a4b817460f454a04227f288c0800630c66bf9019aa7207c02b53a93738189", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e17a4b817460f454a04227f288c0800630c66bf9019aa7207c02b53a93738189", kill_on_drop: false }`
[INFO] [stdout] e17a4b817460f454a04227f288c0800630c66bf9019aa7207c02b53a93738189
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8fcf483b936407aaff634adf11a70d98c634e69bffde17cb233c0f7286dd2cd6
[INFO] running `Command { std: "docker" "start" "-a" "8fcf483b936407aaff634adf11a70d98c634e69bffde17cb233c0f7286dd2cd6", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Output`
[INFO] [stderr]  --> src/main.rs:1:29
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::process::{Command, Output};
[INFO] [stderr]   |                             ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `time`
[INFO] [stderr]  --> src/main.rs:5:19
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::{thread, time};
[INFO] [stderr]   |                   ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pull`
[INFO] [stderr]  --> src/main.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let pull = Command::new("git")
[INFO] [stderr]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_pull`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:27:6
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let mut output = Command::new("git")
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `git_update` (bin "git_update" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/git_update-3e6bdf01ddb0c46b)
[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" "8fcf483b936407aaff634adf11a70d98c634e69bffde17cb233c0f7286dd2cd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fcf483b936407aaff634adf11a70d98c634e69bffde17cb233c0f7286dd2cd6", kill_on_drop: false }`
[INFO] [stdout] 8fcf483b936407aaff634adf11a70d98c634e69bffde17cb233c0f7286dd2cd6