[INFO] cloning repository https://github.com/caryssaperez/junction
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/caryssaperez/junction" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaryssaperez%2Fjunction", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaryssaperez%2Fjunction'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b03453180e0025ceb1ed6763592a9012bd211fe4
[INFO] checking caryssaperez/junction against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaryssaperez%2Fjunction" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/caryssaperez/junction on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/caryssaperez/junction
[INFO] finished tweaking git repo https://github.com/caryssaperez/junction
[INFO] tweaked toml for git repo https://github.com/caryssaperez/junction written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/caryssaperez/junction already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded git2 v0.8.0
[INFO] [stderr]   Downloaded libgit2-sys v0.7.11
[INFO] [stderr]   Downloaded curl-sys v0.4.18
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ff4aa491ee2138316765fcd9f151a14cd0efb5e8aa095b71c836e14f9bf283d
[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" "1ff4aa491ee2138316765fcd9f151a14cd0efb5e8aa095b71c836e14f9bf283d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ff4aa491ee2138316765fcd9f151a14cd0efb5e8aa095b71c836e14f9bf283d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ff4aa491ee2138316765fcd9f151a14cd0efb5e8aa095b71c836e14f9bf283d", kill_on_drop: false }`
[INFO] [stdout] 1ff4aa491ee2138316765fcd9f151a14cd0efb5e8aa095b71c836e14f9bf283d
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] a6b6f361e9e17ccdac4ce47c4e3e43b5b18580ddd69cc92acd613aee1cfeef33
[INFO] running `Command { std: "docker" "start" "-a" "a6b6f361e9e17ccdac4ce47c4e3e43b5b18580ddd69cc92acd613aee1cfeef33", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.35
[INFO] [stderr]    Compiling libc v0.2.53
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling openssl-sys v0.9.43
[INFO] [stderr]    Compiling curl-sys v0.4.18
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]    Compiling libgit2-sys v0.7.11
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking git2 v0.8.0
[INFO] [stderr]     Checking junction v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `diff`
[INFO] [stdout]  --> src/main.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let diff = FileDiff::new("fd");
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_diff`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `repo`
[INFO] [stdout]  --> src/utils/diff.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     repo: Repository,
[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: `get_diff`
[INFO] [stdout]   --> src/utils/diff.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn get_diff(&self) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `diff`
[INFO] [stdout]  --> src/main.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let diff = FileDiff::new("fd");
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_diff`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `repo`
[INFO] [stdout]  --> src/utils/diff.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     repo: Repository,
[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: `get_diff`
[INFO] [stdout]   --> src/utils/diff.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn get_diff(&self) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 59.26s
[INFO] running `Command { std: "docker" "inspect" "a6b6f361e9e17ccdac4ce47c4e3e43b5b18580ddd69cc92acd613aee1cfeef33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6b6f361e9e17ccdac4ce47c4e3e43b5b18580ddd69cc92acd613aee1cfeef33", kill_on_drop: false }`
[INFO] [stdout] a6b6f361e9e17ccdac4ce47c4e3e43b5b18580ddd69cc92acd613aee1cfeef33