[INFO] cloning repository https://github.com/KevinTheSome/rust_pass_gen [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KevinTheSome/rust_pass_gen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKevinTheSome%2Frust_pass_gen", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKevinTheSome%2Frust_pass_gen'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4a342f0d73e2e2f9ee0c075a5fd990f9b72222e1 [INFO] building KevinTheSome/rust_pass_gen against try#58b1b3c5342a414c161338871f8004258ccef2a7 for pr-149937 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKevinTheSome%2Frust_pass_gen" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/KevinTheSome/rust_pass_gen [INFO] finished tweaking git repo https://github.com/KevinTheSome/rust_pass_gen [INFO] tweaked toml for git repo https://github.com/KevinTheSome/rust_pass_gen written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/KevinTheSome/rust_pass_gen on toolchain 58b1b3c5342a414c161338871f8004258ccef2a7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+58b1b3c5342a414c161338871f8004258ccef2a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/KevinTheSome/rust_pass_gen 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" "+58b1b3c5342a414c161338871f8004258ccef2a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+58b1b3c5342a414c161338871f8004258ccef2a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dbd54b0450e5bff1062acd60eb3093dc3632d353a5f0669646f082c0d7bbd91d [INFO] running `Command { std: "docker" "start" "-a" "dbd54b0450e5bff1062acd60eb3093dc3632d353a5f0669646f082c0d7bbd91d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dbd54b0450e5bff1062acd60eb3093dc3632d353a5f0669646f082c0d7bbd91d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dbd54b0450e5bff1062acd60eb3093dc3632d353a5f0669646f082c0d7bbd91d", kill_on_drop: false }` [INFO] [stdout] dbd54b0450e5bff1062acd60eb3093dc3632d353a5f0669646f082c0d7bbd91d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+58b1b3c5342a414c161338871f8004258ccef2a7" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cd1c28f6e7ba1b873c0b8fe5a8893d8270045a3d88154643928291de7cdf25d2 [INFO] running `Command { std: "docker" "start" "-a" "cd1c28f6e7ba1b873c0b8fe5a8893d8270045a3d88154643928291de7cdf25d2", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.149 [INFO] [stderr] Compiling getrandom v0.2.10 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling rust_password_gen v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:96:25 [INFO] [stdout] | [INFO] [stdout] 96 | let mut temp:String = String::from(spec_char_gen()); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:109:25 [INFO] [stdout] | [INFO] [stdout] 109 | let mut temp:String = String::from(non_spec_char_gen()); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:125:25 [INFO] [stdout] | [INFO] [stdout] 125 | let mut temp:String = String::from(spec_char_gen()); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:139:25 [INFO] [stdout] | [INFO] [stdout] 139 | let mut temp:String = String::from(non_spec_char_gen()); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `how_long_clone` is never read [INFO] [stdout] --> src/main.rs:145:17 [INFO] [stdout] | [INFO] [stdout] 145 | how_long_clone = how_long; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `how_long_clone` is never read [INFO] [stdout] --> src/main.rs:131:17 [INFO] [stdout] | [INFO] [stdout] 131 | how_long_clone = how_long; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `how_long_clone` is never read [INFO] [stdout] --> src/main.rs:114:17 [INFO] [stdout] | [INFO] [stdout] 114 | how_long_clone = how_long; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `how_long_clone` is never read [INFO] [stdout] --> src/main.rs:101:17 [INFO] [stdout] | [INFO] [stdout] 101 | how_long_clone = how_long; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.83s [INFO] running `Command { std: "docker" "inspect" "cd1c28f6e7ba1b873c0b8fe5a8893d8270045a3d88154643928291de7cdf25d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cd1c28f6e7ba1b873c0b8fe5a8893d8270045a3d88154643928291de7cdf25d2", kill_on_drop: false }` [INFO] [stdout] cd1c28f6e7ba1b873c0b8fe5a8893d8270045a3d88154643928291de7cdf25d2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+58b1b3c5342a414c161338871f8004258ccef2a7" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a80bcf31004d35ad4a7d4ad7f9d373924d676b2c349fe7986dddb199169c8efa [INFO] running `Command { std: "docker" "start" "-a" "a80bcf31004d35ad4a7d4ad7f9d373924d676b2c349fe7986dddb199169c8efa", kill_on_drop: false }` [INFO] [stderr] Compiling rust_password_gen v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:96:25 [INFO] [stdout] | [INFO] [stdout] 96 | let mut temp:String = String::from(spec_char_gen()); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:109:25 [INFO] [stdout] | [INFO] [stdout] 109 | let mut temp:String = String::from(non_spec_char_gen()); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:125:25 [INFO] [stdout] | [INFO] [stdout] 125 | let mut temp:String = String::from(spec_char_gen()); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:139:25 [INFO] [stdout] | [INFO] [stdout] 139 | let mut temp:String = String::from(non_spec_char_gen()); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `how_long_clone` is never read [INFO] [stdout] --> src/main.rs:145:17 [INFO] [stdout] | [INFO] [stdout] 145 | how_long_clone = how_long; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `how_long_clone` is never read [INFO] [stdout] --> src/main.rs:131:17 [INFO] [stdout] | [INFO] [stdout] 131 | how_long_clone = how_long; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `how_long_clone` is never read [INFO] [stdout] --> src/main.rs:114:17 [INFO] [stdout] | [INFO] [stdout] 114 | how_long_clone = how_long; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `how_long_clone` is never read [INFO] [stdout] --> src/main.rs:101:17 [INFO] [stdout] | [INFO] [stdout] 101 | how_long_clone = how_long; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.55s [INFO] running `Command { std: "docker" "inspect" "a80bcf31004d35ad4a7d4ad7f9d373924d676b2c349fe7986dddb199169c8efa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a80bcf31004d35ad4a7d4ad7f9d373924d676b2c349fe7986dddb199169c8efa", kill_on_drop: false }` [INFO] [stdout] a80bcf31004d35ad4a7d4ad7f9d373924d676b2c349fe7986dddb199169c8efa