[INFO] cloning repository https://github.com/pudnax/rainbow-table
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pudnax/rainbow-table" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpudnax%2Frainbow-table", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpudnax%2Frainbow-table'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f4e336ab1c8078214e16b49537f4832174d2f3c2
[INFO] checking pudnax/rainbow-table against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpudnax%2Frainbow-table" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pudnax/rainbow-table on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pudnax/rainbow-table
[INFO] finished tweaking git repo https://github.com/pudnax/rainbow-table
[INFO] tweaked toml for git repo https://github.com/pudnax/rainbow-table written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/pudnax/rainbow-table already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6e3f3a547b00112fbc30034a8faaf47909689353b537dfad263ff58d8bd441a9
[INFO] running `Command { std: "docker" "start" "-a" "6e3f3a547b00112fbc30034a8faaf47909689353b537dfad263ff58d8bd441a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e3f3a547b00112fbc30034a8faaf47909689353b537dfad263ff58d8bd441a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e3f3a547b00112fbc30034a8faaf47909689353b537dfad263ff58d8bd441a9", kill_on_drop: false }`
[INFO] [stdout] 6e3f3a547b00112fbc30034a8faaf47909689353b537dfad263ff58d8bd441a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9166b6a0d558f549bdebbaaf0a71b4ff37888c47d39ddd15fec413c7381db342
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9166b6a0d558f549bdebbaaf0a71b4ff37888c47d39ddd15fec413c7381db342", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]    Compiling argh_shared v0.1.4
[INFO] [stderr]    Compiling snap v1.0.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking number_prefix v0.3.0
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking terminal_size v0.1.13
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking console v0.13.0
[INFO] [stderr]     Checking indicatif v0.15.0
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling argh_derive v0.1.4
[INFO] [stderr]     Checking argh v0.1.4
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking rainbow-table v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `RAINBOW_TABLE_FILE_NAME`
[INFO] [stdout]    --> src/commands.rs:207:1
[INFO] [stdout]     |
[INFO] [stdout] 207 | const RAINBOW_TABLE_FILE_NAME: &str = "rtable.db";
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `generate_initial_plaintexts`
[INFO] [stdout]    --> src/commands.rs:209:4
[INFO] [stdout]     |
[INFO] [stdout] 209 | fn generate_initial_plaintexts(tuples: &mut [RainbowTuple], charset: &Charset, item_len: usize) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create_rainbow_file`
[INFO] [stdout]    --> src/commands.rs:240:4
[INFO] [stdout]     |
[INFO] [stdout] 240 | fn create_rainbow_file<F, T>(header: &RainbowTableHeader, f: F) -> Result<T, Box<dyn Error>>
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `next_plaintext`
[INFO] [stdout]    --> src/commands.rs:280:4
[INFO] [stdout]     |
[INFO] [stdout] 280 | fn next_plaintext(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `generate_rainbow_chain`
[INFO] [stdout]    --> src/commands.rs:306:4
[INFO] [stdout]     |
[INFO] [stdout] 306 | fn generate_rainbow_chain(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gen_rtable`
[INFO] [stdout]    --> src/commands.rs:350:4
[INFO] [stdout]     |
[INFO] [stdout] 350 | fn gen_rtable() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `FindChainContext`
[INFO] [stdout]    --> src/commands.rs:393:8
[INFO] [stdout]     |
[INFO] [stdout] 393 | struct FindChainContext<'a> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `find_chain_match`
[INFO] [stdout]    --> src/commands.rs:402:8
[INFO] [stdout]     |
[INFO] [stdout] 402 |     fn find_chain_match(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_rainbow_file`
[INFO] [stdout]    --> src/commands.rs:477:4
[INFO] [stdout]     |
[INFO] [stdout] 477 | fn read_rainbow_file<F, T>(f: F) -> Result<T, Box<dyn Error>>
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `use_rtable`
[INFO] [stdout]    --> src/commands.rs:504:4
[INFO] [stdout]     |
[INFO] [stdout] 504 | fn use_rtable() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `format_num`
[INFO] [stdout]    --> src/commands.rs:598:4
[INFO] [stdout]     |
[INFO] [stdout] 598 | fn format_num<N: TryInto<u64, Error = E> + fmt::Display + fmt::Debug, E: fmt::Debug>(
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `RAINBOW_TABLE_FILE_NAME`
[INFO] [stdout]    --> src/commands.rs:207:1
[INFO] [stdout]     |
[INFO] [stdout] 207 | const RAINBOW_TABLE_FILE_NAME: &str = "rtable.db";
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `generate_initial_plaintexts`
[INFO] [stdout]    --> src/commands.rs:209:4
[INFO] [stdout]     |
[INFO] [stdout] 209 | fn generate_initial_plaintexts(tuples: &mut [RainbowTuple], charset: &Charset, item_len: usize) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create_rainbow_file`
[INFO] [stdout]    --> src/commands.rs:240:4
[INFO] [stdout]     |
[INFO] [stdout] 240 | fn create_rainbow_file<F, T>(header: &RainbowTableHeader, f: F) -> Result<T, Box<dyn Error>>
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `next_plaintext`
[INFO] [stdout]    --> src/commands.rs:280:4
[INFO] [stdout]     |
[INFO] [stdout] 280 | fn next_plaintext(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `generate_rainbow_chain`
[INFO] [stdout]    --> src/commands.rs:306:4
[INFO] [stdout]     |
[INFO] [stdout] 306 | fn generate_rainbow_chain(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gen_rtable`
[INFO] [stdout]    --> src/commands.rs:350:4
[INFO] [stdout]     |
[INFO] [stdout] 350 | fn gen_rtable() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `FindChainContext`
[INFO] [stdout]    --> src/commands.rs:393:8
[INFO] [stdout]     |
[INFO] [stdout] 393 | struct FindChainContext<'a> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `find_chain_match`
[INFO] [stdout]    --> src/commands.rs:402:8
[INFO] [stdout]     |
[INFO] [stdout] 402 |     fn find_chain_match(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_rainbow_file`
[INFO] [stdout]    --> src/commands.rs:477:4
[INFO] [stdout]     |
[INFO] [stdout] 477 | fn read_rainbow_file<F, T>(f: F) -> Result<T, Box<dyn Error>>
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `use_rtable`
[INFO] [stdout]    --> src/commands.rs:504:4
[INFO] [stdout]     |
[INFO] [stdout] 504 | fn use_rtable() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `format_num`
[INFO] [stdout]    --> src/commands.rs:598:4
[INFO] [stdout]     |
[INFO] [stdout] 598 | fn format_num<N: TryInto<u64, Error = E> + fmt::Display + fmt::Debug, E: fmt::Debug>(
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.31s
[INFO] running `Command { std: "docker" "inspect" "9166b6a0d558f549bdebbaaf0a71b4ff37888c47d39ddd15fec413c7381db342", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9166b6a0d558f549bdebbaaf0a71b4ff37888c47d39ddd15fec413c7381db342", kill_on_drop: false }`
[INFO] [stdout] 9166b6a0d558f549bdebbaaf0a71b4ff37888c47d39ddd15fec413c7381db342