[INFO] cloning repository https://github.com/idol-bbq-utils/linkura-cli
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/idol-bbq-utils/linkura-cli" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fidol-bbq-utils%2Flinkura-cli", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fidol-bbq-utils%2Flinkura-cli'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ce6bf1c915fd70226eb3005a6096273d84b38ec2
[INFO] building idol-bbq-utils/linkura-cli against try#8b8eff55bd72abbb57167bc42222a7f91d41cb0d for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fidol-bbq-utils%2Flinkura-cli" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/idol-bbq-utils/linkura-cli on toolchain 8b8eff55bd72abbb57167bc42222a7f91d41cb0d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/idol-bbq-utils/linkura-cli
[INFO] finished tweaking git repo https://github.com/idol-bbq-utils/linkura-cli
[INFO] tweaked toml for git repo https://github.com/idol-bbq-utils/linkura-cli written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/idol-bbq-utils/linkura-cli 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" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "fab1045b698d54e83e26e23643007ece2b1a2b9e74d42419b605aee9627ec4a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fab1045b698d54e83e26e23643007ece2b1a2b9e74d42419b605aee9627ec4a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fab1045b698d54e83e26e23643007ece2b1a2b9e74d42419b605aee9627ec4a5", kill_on_drop: false }`
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[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8da87ed0c33284485bc0f706494d7d0c7c015952c62198ebe7651e832416be56
[INFO] running `Command { std: "docker" "start" "-a" "8da87ed0c33284485bc0f706494d7d0c7c015952c62198ebe7651e832416be56", kill_on_drop: false }`
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[INFO] [stderr]    Compiling linkura-cli v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `home` is never read
[INFO] [stdout]   --> src/config/mod.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub struct ConfigManager {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 64 |     home: Option<PathBuf>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ConfigManager` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `args` is never read
[INFO] [stdout]    --> src/config/mod.rs:164:9
[INFO] [stdout]     |
[INFO] [stdout] 160 | pub struct Global {
[INFO] [stdout]     |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 164 |     pub args: Args,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Global` 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 57.67s
[INFO] running `Command { std: "docker" "inspect" "8da87ed0c33284485bc0f706494d7d0c7c015952c62198ebe7651e832416be56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8da87ed0c33284485bc0f706494d7d0c7c015952c62198ebe7651e832416be56", kill_on_drop: false }`
[INFO] [stdout] 8da87ed0c33284485bc0f706494d7d0c7c015952c62198ebe7651e832416be56
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71fd71def2c2ba365d6172482a751b21fe85af8c0cc9fa2c05a30148f9915109
[INFO] running `Command { std: "docker" "start" "-a" "71fd71def2c2ba365d6172482a751b21fe85af8c0cc9fa2c05a30148f9915109", kill_on_drop: false }`
[INFO] [stderr]    Compiling linkura-cli v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `home` is never read
[INFO] [stdout]   --> src/config/mod.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub struct ConfigManager {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 64 |     home: Option<PathBuf>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ConfigManager` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `args` is never read
[INFO] [stdout]    --> src/config/mod.rs:164:9
[INFO] [stdout]     |
[INFO] [stdout] 160 | pub struct Global {
[INFO] [stdout]     |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 164 |     pub args: Args,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Global` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "71fd71def2c2ba365d6172482a751b21fe85af8c0cc9fa2c05a30148f9915109", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71fd71def2c2ba365d6172482a751b21fe85af8c0cc9fa2c05a30148f9915109", kill_on_drop: false }`
[INFO] [stdout] 71fd71def2c2ba365d6172482a751b21fe85af8c0cc9fa2c05a30148f9915109