[INFO] cloning repository https://github.com/FirstTimeInForever/mygit
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FirstTimeInForever/mygit" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFirstTimeInForever%2Fmygit", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFirstTimeInForever%2Fmygit'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8e5d48faf09e720c609c2b6461ce599311a229f0
[INFO] checking FirstTimeInForever/mygit against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFirstTimeInForever%2Fmygit" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FirstTimeInForever/mygit on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/FirstTimeInForever/mygit
[INFO] finished tweaking git repo https://github.com/FirstTimeInForever/mygit
[INFO] tweaked toml for git repo https://github.com/FirstTimeInForever/mygit written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/FirstTimeInForever/mygit already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hex-literal-impl v0.2.2
[INFO] [stderr]   Downloaded pathdiff v0.2.0
[INFO] [stderr]   Downloaded block-buffer v0.8.0
[INFO] [stderr]   Downloaded sha2 v0.9.0
[INFO] [stderr]   Downloaded generic-array v0.14.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d82dbb6fb99301596ced2b65e2f49d03c3d92209bc30751c9ee577ba8eeba167
[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" "d82dbb6fb99301596ced2b65e2f49d03c3d92209bc30751c9ee577ba8eeba167", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d82dbb6fb99301596ced2b65e2f49d03c3d92209bc30751c9ee577ba8eeba167", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d82dbb6fb99301596ced2b65e2f49d03c3d92209bc30751c9ee577ba8eeba167", kill_on_drop: false }`
[INFO] [stdout] d82dbb6fb99301596ced2b65e2f49d03c3d92209bc30751c9ee577ba8eeba167
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8271ffcacde66e28023bcb19e8af5379b1880e880461ff7e310e7509631f9d4c
[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" "8271ffcacde66e28023bcb19e8af5379b1880e880461ff7e310e7509631f9d4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking pathdiff v0.2.0
[INFO] [stderr]    Compiling generic-array v0.14.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking block-buffer v0.8.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking sha2 v0.9.0
[INFO] [stderr]    Compiling hex-literal-impl v0.2.2
[INFO] [stderr]     Checking hex-literal v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking serde_json v1.0.55
[INFO] [stderr]     Checking mygit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `get_commit`
[INFO] [stdout]   --> src/mygit/repository.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn get_commit(&self, commit_hash: &str) -> io::Result<Commit> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `head_commit`
[INFO] [stdout]   --> src/mygit/repository.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn head_commit(&self) -> io::Result<Commit> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_commit`
[INFO] [stdout]   --> src/mygit/repository.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn get_commit(&self, commit_hash: &str) -> io::Result<Commit> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `head_commit`
[INFO] [stdout]   --> src/mygit/repository.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn head_commit(&self) -> io::Result<Commit> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.51s
[INFO] running `Command { std: "docker" "inspect" "8271ffcacde66e28023bcb19e8af5379b1880e880461ff7e310e7509631f9d4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8271ffcacde66e28023bcb19e8af5379b1880e880461ff7e310e7509631f9d4c", kill_on_drop: false }`
[INFO] [stdout] 8271ffcacde66e28023bcb19e8af5379b1880e880461ff7e310e7509631f9d4c