[INFO] fetching crate passwd_gen 0.1.1...
[INFO] building passwd_gen-0.1.1 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate passwd_gen 0.1.1 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate passwd_gen 0.1.1
[INFO] finished tweaking crates.io crate passwd_gen 0.1.1
[INFO] tweaked toml for crates.io crate passwd_gen 0.1.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate passwd_gen 0.1.1 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate passwd_gen 0.1.1 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded str-buf v1.0.5
[INFO] [stderr]   Downloaded gethostname v0.2.2
[INFO] [stderr]   Downloaded clipboard-win v4.4.1
[INFO] [stderr]   Downloaded arboard v2.0.1
[INFO] [stderr]   Downloaded nix v0.20.2
[INFO] [stderr]   Downloaded x11rb v0.8.1
[INFO] [stderr]   Downloaded tiff v0.6.1
[INFO] [stderr]   Downloaded syn v1.0.86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 496a34f528ba6a208e849ea4668556292b09df4759180a9f283b1923a8896a32
[INFO] running `Command { std: "docker" "start" "-a" "496a34f528ba6a208e849ea4668556292b09df4759180a9f283b1923a8896a32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "496a34f528ba6a208e849ea4668556292b09df4759180a9f283b1923a8896a32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "496a34f528ba6a208e849ea4668556292b09df4759180a9f283b1923a8896a32", kill_on_drop: false }`
[INFO] [stdout] 496a34f528ba6a208e849ea4668556292b09df4759180a9f283b1923a8896a32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ecd4430ae406504730f6f01d0b701c7adea3b1edad7a2bbf150cd2885322c9c0
[INFO] running `Command { std: "docker" "start" "-a" "ecd4430ae406504730f6f01d0b701c7adea3b1edad7a2bbf150cd2885322c9c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling getrandom v0.2.4
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling gethostname v0.2.2
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[INFO] [stderr]    Compiling rand_core v0.6.3
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[INFO] [stderr]    Compiling passwd_gen v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/args.rs:23:17
[INFO] [stdout]    |
[INFO] [stdout] 23 |     OutputFound(String),
[INFO] [stdout]    |     ----------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ArgError` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 23 -     OutputFound(String),
[INFO] [stdout] 23 +     OutputFound(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.47s
[INFO] running `Command { std: "docker" "inspect" "ecd4430ae406504730f6f01d0b701c7adea3b1edad7a2bbf150cd2885322c9c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecd4430ae406504730f6f01d0b701c7adea3b1edad7a2bbf150cd2885322c9c0", kill_on_drop: false }`
[INFO] [stdout] ecd4430ae406504730f6f01d0b701c7adea3b1edad7a2bbf150cd2885322c9c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e615626caef547e39afcb9fe81a7f9697d844d7890b4427a8058b1e2bc6061e5
[INFO] running `Command { std: "docker" "start" "-a" "e615626caef547e39afcb9fe81a7f9697d844d7890b4427a8058b1e2bc6061e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling passwd_gen v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/args.rs:23:17
[INFO] [stdout]    |
[INFO] [stdout] 23 |     OutputFound(String),
[INFO] [stdout]    |     ----------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ArgError` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 23 -     OutputFound(String),
[INFO] [stdout] 23 +     OutputFound(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "e615626caef547e39afcb9fe81a7f9697d844d7890b4427a8058b1e2bc6061e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e615626caef547e39afcb9fe81a7f9697d844d7890b4427a8058b1e2bc6061e5", kill_on_drop: false }`
[INFO] [stdout] e615626caef547e39afcb9fe81a7f9697d844d7890b4427a8058b1e2bc6061e5