[INFO] cloning repository https://github.com/GregoryBL/cryptopals
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GregoryBL/cryptopals" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGregoryBL%2Fcryptopals", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGregoryBL%2Fcryptopals'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0bda165229343ed9cb8b369d2ad3534c0c6b8973
[INFO] testing GregoryBL/cryptopals against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGregoryBL%2Fcryptopals" "/workspace/builds/worker-48/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-48/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/GregoryBL/cryptopals on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/GregoryBL/cryptopals
[INFO] finished tweaking git repo https://github.com/GregoryBL/cryptopals
[INFO] tweaked toml for git repo https://github.com/GregoryBL/cryptopals written to /workspace/builds/worker-48/source/Cargo.toml
[INFO] crate git repo https://github.com/GregoryBL/cryptopals already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 585859b265267be8d0dcdf8b4efe54568df172229f6b7db199f397e5f0406ba8
[INFO] running `Command { std: "docker" "start" "-a" "585859b265267be8d0dcdf8b4efe54568df172229f6b7db199f397e5f0406ba8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "585859b265267be8d0dcdf8b4efe54568df172229f6b7db199f397e5f0406ba8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "585859b265267be8d0dcdf8b4efe54568df172229f6b7db199f397e5f0406ba8", kill_on_drop: false }`
[INFO] [stdout] 585859b265267be8d0dcdf8b4efe54568df172229f6b7db199f397e5f0406ba8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 783b8449a404e9646e68f0b18916678dd00fdb6dfb882e1a2531bd78fe957da5
[INFO] running `Command { std: "docker" "start" "-a" "783b8449a404e9646e68f0b18916678dd00fdb6dfb882e1a2531bd78fe957da5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling cryptopals v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `ind`
[INFO] [stdout]   --> src/utils.rs:28:10
[INFO] [stdout]    |
[INFO] [stdout] 28 |     for (ind, byte) in buf.into_iter().enumerate() {
[INFO] [stdout]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_ind`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::str::FromStr;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]   --> src/main.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 |     if let ans3 = challenge3() { println!("3 success: {}", ans3) } else { println!("Challenge3 fail") };
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]    = help: consider replacing the `if let` with a `let`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]   --> src/main.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 |     if let ans4 = challenge4() { println!("4 success: {}", ans4) } else { println!("Challenge4 fail") };
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]    = help: consider replacing the `if let` with a `let`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]   --> src/main.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     if let ans6 = challenge6() { println!("6 success: {}", ans6) } else { println!("Challenge6 fail") };
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]    = help: consider replacing the `if let` with a `let`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.21s
[INFO] running `Command { std: "docker" "inspect" "783b8449a404e9646e68f0b18916678dd00fdb6dfb882e1a2531bd78fe957da5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "783b8449a404e9646e68f0b18916678dd00fdb6dfb882e1a2531bd78fe957da5", kill_on_drop: false }`
[INFO] [stdout] 783b8449a404e9646e68f0b18916678dd00fdb6dfb882e1a2531bd78fe957da5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5b9cc215b3940809be6c2e9eb0dc885da730d2a9e34c19360281b713aff948c
[INFO] running `Command { std: "docker" "start" "-a" "d5b9cc215b3940809be6c2e9eb0dc885da730d2a9e34c19360281b713aff948c", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `ind`
[INFO] [stdout]   --> src/utils.rs:28:10
[INFO] [stdout]    |
[INFO] [stdout] 28 |     for (ind, byte) in buf.into_iter().enumerate() {
[INFO] [stdout]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_ind`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cryptopals v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::str::FromStr;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]   --> src/main.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 |     if let ans3 = challenge3() { println!("3 success: {}", ans3) } else { println!("Challenge3 fail") };
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]    = help: consider replacing the `if let` with a `let`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]   --> src/main.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 |     if let ans4 = challenge4() { println!("4 success: {}", ans4) } else { println!("Challenge4 fail") };
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]    = help: consider replacing the `if let` with a `let`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]   --> src/main.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     if let ans6 = challenge6() { println!("6 success: {}", ans6) } else { println!("Challenge6 fail") };
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]    = help: consider replacing the `if let` with a `let`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ind`
[INFO] [stdout]   --> src/utils.rs:28:10
[INFO] [stdout]    |
[INFO] [stdout] 28 |     for (ind, byte) in buf.into_iter().enumerate() {
[INFO] [stdout]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_ind`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "d5b9cc215b3940809be6c2e9eb0dc885da730d2a9e34c19360281b713aff948c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5b9cc215b3940809be6c2e9eb0dc885da730d2a9e34c19360281b713aff948c", kill_on_drop: false }`
[INFO] [stdout] d5b9cc215b3940809be6c2e9eb0dc885da730d2a9e34c19360281b713aff948c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f9b0345e4144c0893c9b528f8072a6998d291377013c5273ae4ce75cf0b875fa
[INFO] running `Command { std: "docker" "start" "-a" "f9b0345e4144c0893c9b528f8072a6998d291377013c5273ae4ce75cf0b875fa", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `ind`
[INFO] [stdout] running 1 test
[INFO] [stderr]   --> src/utils.rs:28:10
[INFO] [stdout] test utils::tests::test_make_col_bufs ... ok
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 28 |     for (ind, byte) in buf.into_iter().enumerate() {
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_ind`
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `cryptopals` (lib) generated 1 warning
[INFO] [stderr] warning: `cryptopals` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr] warning: unused import: `std::str::FromStr`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::str::FromStr;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: irrefutable `if let` pattern
[INFO] [stderr]   --> src/main.rs:24:8
[INFO] [stderr]    |
[INFO] [stderr] 24 |     if let ans3 = challenge3() { println!("3 success: {}", ans3) } else { println!("Challenge3 fail") };
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stderr]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stderr]    = help: consider replacing the `if let` with a `let`
[INFO] [stderr] 
[INFO] [stderr] warning: irrefutable `if let` pattern
[INFO] [stderr]   --> src/main.rs:27:8
[INFO] [stderr]    |
[INFO] [stderr] 27 |     if let ans4 = challenge4() { println!("4 success: {}", ans4) } else { println!("Challenge4 fail") };
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stderr]    = help: consider replacing the `if let` with a `let`
[INFO] [stderr] 
[INFO] [stderr] warning: irrefutable `if let` pattern
[INFO] [stderr]   --> src/main.rs:33:8
[INFO] [stderr]    |
[INFO] [stderr] 33 |     if let ans6 = challenge6() { println!("6 success: {}", ans6) } else { println!("Challenge6 fail") };
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stderr]    = help: consider replacing the `if let` with a `let`
[INFO] [stderr] 
[INFO] [stderr] warning: `cryptopals` (bin "cryptopals" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 12.61s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cryptopals-66d71849d61ac41b)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cryptopals-776ab89d190e4f03)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cryptopals
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f9b0345e4144c0893c9b528f8072a6998d291377013c5273ae4ce75cf0b875fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9b0345e4144c0893c9b528f8072a6998d291377013c5273ae4ce75cf0b875fa", kill_on_drop: false }`
[INFO] [stdout] f9b0345e4144c0893c9b528f8072a6998d291377013c5273ae4ce75cf0b875fa