[INFO] cloning repository https://github.com/Timmmm/diffs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Timmmm/diffs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTimmmm%2Fdiffs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTimmmm%2Fdiffs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c96320b825ab5e80745ef7f35aa5f9be5da0d0f1
[INFO] checking Timmmm/diffs against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTimmmm%2Fdiffs" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Timmmm/diffs
[INFO] finished tweaking git repo https://github.com/Timmmm/diffs
[INFO] tweaked toml for git repo https://github.com/Timmmm/diffs written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Timmmm/diffs on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Timmmm/diffs 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 596b4fe697c244160c640f0d852a883368355420bb48fbb953cc057ee3129544
[INFO] running `Command { std: "docker" "start" "-a" "596b4fe697c244160c640f0d852a883368355420bb48fbb953cc057ee3129544", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "596b4fe697c244160c640f0d852a883368355420bb48fbb953cc057ee3129544", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "596b4fe697c244160c640f0d852a883368355420bb48fbb953cc057ee3129544", kill_on_drop: false }`
[INFO] [stdout] 596b4fe697c244160c640f0d852a883368355420bb48fbb953cc057ee3129544
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7fd11dd48ea45c4f8f3ad5847a3a7bf2d7d9234da531d6fa31e1415c2fda2825
[INFO] running `Command { std: "docker" "start" "-a" "7fd11dd48ea45c4f8f3ad5847a3a7bf2d7d9234da531d6fa31e1415c2fda2825", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking tinyvec v1.3.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking git_commands v0.2.0 (/opt/rustwide/workdir/git_commands)
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]    Compiling argh_derive v0.1.5
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking argh v0.1.5
[INFO] [stderr]     Checking diffs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `exists` and `summary` are never read
[INFO] [stdout]   --> src/main.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 67 | struct ArcInfo {
[INFO] [stdout]    |        ------- fields in this struct
[INFO] [stdout] 68 |     // Not sure what this means.
[INFO] [stdout] 69 |     exists: bool,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |     summary: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ArcInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `upstream` is never read
[INFO] [stdout]    --> src/main.rs:137:5
[INFO] [stdout]     |
[INFO] [stdout] 135 | struct BranchInfo {
[INFO] [stdout]     |        ---------- field in this struct
[INFO] [stdout] 136 |     branch: String,
[INFO] [stdout] 137 |     upstream: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `BranchInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `exists` and `summary` are never read
[INFO] [stdout]   --> src/main.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 67 | struct ArcInfo {
[INFO] [stdout]    |        ------- fields in this struct
[INFO] [stdout] 68 |     // Not sure what this means.
[INFO] [stdout] 69 |     exists: bool,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |     summary: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ArcInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `upstream` is never read
[INFO] [stdout]    --> src/main.rs:137:5
[INFO] [stdout]     |
[INFO] [stdout] 135 | struct BranchInfo {
[INFO] [stdout]     |        ---------- field in this struct
[INFO] [stdout] 136 |     branch: String,
[INFO] [stdout] 137 |     upstream: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `BranchInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.16s
[INFO] running `Command { std: "docker" "inspect" "7fd11dd48ea45c4f8f3ad5847a3a7bf2d7d9234da531d6fa31e1415c2fda2825", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fd11dd48ea45c4f8f3ad5847a3a7bf2d7d9234da531d6fa31e1415c2fda2825", kill_on_drop: false }`
[INFO] [stdout] 7fd11dd48ea45c4f8f3ad5847a3a7bf2d7d9234da531d6fa31e1415c2fda2825