[INFO] fetching crate argser 0.2.3...
[INFO] checking argser-0.2.3 against master#4d1bd0db7f489b22c6d8aa2385937a95412c015b for pr-114682
[INFO] extracting crate argser 0.2.3 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate argser 0.2.3 on toolchain 4d1bd0db7f489b22c6d8aa2385937a95412c015b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate argser 0.2.3
[INFO] finished tweaking crates.io crate argser 0.2.3
[INFO] tweaked toml for crates.io crate argser 0.2.3 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate argser 0.2.3 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" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.28
[INFO] [stderr]   Downloaded argser-macros v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a3440c0d6cc5e9615c1899ec9715d62487fab2c6a21e89eea0164b08a204aaf
[INFO] running `Command { std: "docker" "start" "-a" "9a3440c0d6cc5e9615c1899ec9715d62487fab2c6a21e89eea0164b08a204aaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a3440c0d6cc5e9615c1899ec9715d62487fab2c6a21e89eea0164b08a204aaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a3440c0d6cc5e9615c1899ec9715d62487fab2c6a21e89eea0164b08a204aaf", kill_on_drop: false }`
[INFO] [stdout] 9a3440c0d6cc5e9615c1899ec9715d62487fab2c6a21e89eea0164b08a204aaf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10a96df530358dea649e73064b7a7dc49811e7bdedb432ea75568f29328b5898
[INFO] running `Command { std: "docker" "start" "-a" "10a96df530358dea649e73064b7a7dc49811e7bdedb432ea75568f29328b5898", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling argser-macros v0.2.2
[INFO] [stderr]     Checking argser v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `other` is never read
[INFO] [stdout]   --> examples/simple_ci.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct SubCategory {
[INFO] [stdout]    |        ----------- field in this struct
[INFO] [stdout] 20 |     other: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SubCategory` 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.81s
[INFO] running `Command { std: "docker" "inspect" "10a96df530358dea649e73064b7a7dc49811e7bdedb432ea75568f29328b5898", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10a96df530358dea649e73064b7a7dc49811e7bdedb432ea75568f29328b5898", kill_on_drop: false }`
[INFO] [stdout] 10a96df530358dea649e73064b7a7dc49811e7bdedb432ea75568f29328b5898
[INFO] checking argser-0.2.3 against try#785364c7e5e0804473a3fddfb579798ea14e3493 for pr-114682
[INFO] extracting crate argser 0.2.3 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate argser 0.2.3 on toolchain 785364c7e5e0804473a3fddfb579798ea14e3493
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate argser 0.2.3
[INFO] finished tweaking crates.io crate argser 0.2.3
[INFO] tweaked toml for crates.io crate argser 0.2.3 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate argser 0.2.3 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" "+785364c7e5e0804473a3fddfb579798ea14e3493" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 525063fb18fcdb0b92be70f86adde4f2977105836d500634c3dfdd9ec7289a7f
[INFO] running `Command { std: "docker" "start" "-a" "525063fb18fcdb0b92be70f86adde4f2977105836d500634c3dfdd9ec7289a7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "525063fb18fcdb0b92be70f86adde4f2977105836d500634c3dfdd9ec7289a7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "525063fb18fcdb0b92be70f86adde4f2977105836d500634c3dfdd9ec7289a7f", kill_on_drop: false }`
[INFO] [stdout] 525063fb18fcdb0b92be70f86adde4f2977105836d500634c3dfdd9ec7289a7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f652006f31cb3c86ab4d6468b2d23d35f457916e8fc67f1ee438480ec5d21af
[INFO] running `Command { std: "docker" "start" "-a" "3f652006f31cb3c86ab4d6468b2d23d35f457916e8fc67f1ee438480ec5d21af", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling argser-macros v0.2.2
[INFO] [stderr]     Checking argser v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `other` is never read
[INFO] [stdout]   --> examples/simple_ci.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct SubCategory {
[INFO] [stdout]    |        ----------- field in this struct
[INFO] [stdout] 20 |     other: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SubCategory` 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.39s
[INFO] running `Command { std: "docker" "inspect" "3f652006f31cb3c86ab4d6468b2d23d35f457916e8fc67f1ee438480ec5d21af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f652006f31cb3c86ab4d6468b2d23d35f457916e8fc67f1ee438480ec5d21af", kill_on_drop: false }`
[INFO] [stdout] 3f652006f31cb3c86ab4d6468b2d23d35f457916e8fc67f1ee438480ec5d21af
