[INFO] updating cached repository https://github.com/bantic/cryptopals [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f0958d66e32c4ca18ace0e3c208066514b769e6c [INFO] testing bantic/cryptopals against 1.45.2 for beta-1.46-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbantic%2Fcryptopals" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/bantic/cryptopals on toolchain 1.45.2 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/bantic/cryptopals [INFO] finished tweaking git repo https://github.com/bantic/cryptopals [INFO] tweaked toml for git repo https://github.com/bantic/cryptopals written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/bantic/cryptopals already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2e50562eede77638e774ea0e0ba5d9a545a5cafdab07f7fd00834e96cce0a384 [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" "2e50562eede77638e774ea0e0ba5d9a545a5cafdab07f7fd00834e96cce0a384", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2e50562eede77638e774ea0e0ba5d9a545a5cafdab07f7fd00834e96cce0a384", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2e50562eede77638e774ea0e0ba5d9a545a5cafdab07f7fd00834e96cce0a384", kill_on_drop: false }` [INFO] [stdout] 2e50562eede77638e774ea0e0ba5d9a545a5cafdab07f7fd00834e96cce0a384 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cf0b579ca07651bd16bb443bc6cf04a2f54c5d65dbde34ed2981f03294f9a92a [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" "cf0b579ca07651bd16bb443bc6cf04a2f54c5d65dbde34ed2981f03294f9a92a", kill_on_drop: false }` [INFO] [stderr] Compiling cryptopals v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/crypto/xor.rs:21:8 [INFO] [stdout] | [INFO] [stdout] 21 | if (score > best_score) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `letter_counts` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/crypto/xor.rs:76:7 [INFO] [stdout] | [INFO] [stdout] 75 | let v = letter_counts.get(&c).unwrap(); [INFO] [stdout] | ------------- immutable borrow occurs here [INFO] [stdout] 76 | letter_counts.insert(c, v + 1); [INFO] [stdout] | ^^^^^^^^^^^^^ - immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `hex_to_base64` [INFO] [stdout] --> src/crypto/hex_to_base64.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn hex_to_base64(hex: &str) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `pad_bits` [INFO] [stdout] --> src/crypto/hex_to_base64.rs:22:4 [INFO] [stdout] | [INFO] [stdout] 22 | fn pad_bits(bits: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `bits_to_base64` [INFO] [stdout] --> src/crypto/hex_to_base64.rs:31:4 [INFO] [stdout] | [INFO] [stdout] 31 | fn bits_to_base64(bits: Vec) -> char { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `xor` [INFO] [stdout] --> src/crypto/xor.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn xor(hexed_input: &str, c: char) -> String { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `decode_fixed_xor` [INFO] [stdout] --> src/crypto/xor.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn decode_fixed_xor(hexed_input: &str) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `get_char_freq` [INFO] [stdout] --> src/crypto/xor.rs:30:4 [INFO] [stdout] | [INFO] [stdout] 30 | fn get_char_freq(c: char) -> f32 { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `freq_score` [INFO] [stdout] --> src/crypto/xor.rs:62:4 [INFO] [stdout] | [INFO] [stdout] 62 | fn freq_score(str: &str) -> f32 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `xor_hex` [INFO] [stdout] --> src/crypto/xor_hex.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn xor_hex(a: &str, b: &str) -> String { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `hex_to_vecu8` [INFO] [stdout] --> src/crypto/mod.rs:9:10 [INFO] [stdout] | [INFO] [stdout] 9 | pub fn hex_to_vecu8(hex: &str) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `hex_to_u8` [INFO] [stdout] --> src/crypto/mod.rs:19:6 [INFO] [stdout] | [INFO] [stdout] 19 | fn hex_to_u8(hex: &str) -> u8 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `hex_to_decimal` [INFO] [stdout] --> src/crypto/mod.rs:33:10 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn hex_to_decimal(hex: &str) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `decimal_to_bits` [INFO] [stdout] --> src/crypto/mod.rs:37:6 [INFO] [stdout] | [INFO] [stdout] 37 | fn decimal_to_bits(d: i32) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `hex_to_bits` [INFO] [stdout] --> src/crypto/mod.rs:42:10 [INFO] [stdout] | [INFO] [stdout] 42 | pub fn hex_to_bits(hex: &str) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `bits_to_hex` [INFO] [stdout] --> src/crypto/mod.rs:53:10 [INFO] [stdout] | [INFO] [stdout] 53 | pub fn bits_to_hex(bits: Vec) -> String { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `bits_to_decimal` [INFO] [stdout] --> src/crypto/mod.rs:62:10 [INFO] [stdout] | [INFO] [stdout] 62 | pub fn bits_to_decimal(bits: Vec) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 17 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.51s [INFO] running `Command { std: "docker" "inspect" "cf0b579ca07651bd16bb443bc6cf04a2f54c5d65dbde34ed2981f03294f9a92a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cf0b579ca07651bd16bb443bc6cf04a2f54c5d65dbde34ed2981f03294f9a92a", kill_on_drop: false }` [INFO] [stdout] cf0b579ca07651bd16bb443bc6cf04a2f54c5d65dbde34ed2981f03294f9a92a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 18555250eeaab1f09ea392342ff08a92345fa53a3a0caba5a4162fcf93af524e [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" "18555250eeaab1f09ea392342ff08a92345fa53a3a0caba5a4162fcf93af524e", kill_on_drop: false }` [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/crypto/xor.rs:21:8 [INFO] [stdout] | [INFO] [stdout] 21 | if (score > best_score) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling cryptopals v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: cannot borrow `letter_counts` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/crypto/xor.rs:76:7 [INFO] [stdout] | [INFO] [stdout] 75 | let v = letter_counts.get(&c).unwrap(); [INFO] [stdout] | ------------- immutable borrow occurs here [INFO] [stdout] 76 | letter_counts.insert(c, v + 1); [INFO] [stdout] | ^^^^^^^^^^^^^ - immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `hex_to_base64` [INFO] [stdout] --> src/crypto/hex_to_base64.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn hex_to_base64(hex: &str) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `pad_bits` [INFO] [stdout] --> src/crypto/hex_to_base64.rs:22:4 [INFO] [stdout] | [INFO] [stdout] 22 | fn pad_bits(bits: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `bits_to_base64` [INFO] [stdout] --> src/crypto/hex_to_base64.rs:31:4 [INFO] [stdout] | [INFO] [stdout] 31 | fn bits_to_base64(bits: Vec) -> char { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `xor` [INFO] [stdout] --> src/crypto/xor.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn xor(hexed_input: &str, c: char) -> String { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `decode_fixed_xor` [INFO] [stdout] --> src/crypto/xor.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn decode_fixed_xor(hexed_input: &str) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `get_char_freq` [INFO] [stdout] --> src/crypto/xor.rs:30:4 [INFO] [stdout] | [INFO] [stdout] 30 | fn get_char_freq(c: char) -> f32 { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `freq_score` [INFO] [stdout] --> src/crypto/xor.rs:62:4 [INFO] [stdout] | [INFO] [stdout] 62 | fn freq_score(str: &str) -> f32 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `xor_hex` [INFO] [stdout] --> src/crypto/xor_hex.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn xor_hex(a: &str, b: &str) -> String { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `hex_to_vecu8` [INFO] [stdout] --> src/crypto/mod.rs:9:10 [INFO] [stdout] | [INFO] [stdout] 9 | pub fn hex_to_vecu8(hex: &str) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `hex_to_u8` [INFO] [stdout] --> src/crypto/mod.rs:19:6 [INFO] [stdout] | [INFO] [stdout] 19 | fn hex_to_u8(hex: &str) -> u8 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `hex_to_decimal` [INFO] [stdout] --> src/crypto/mod.rs:33:10 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn hex_to_decimal(hex: &str) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `decimal_to_bits` [INFO] [stdout] --> src/crypto/mod.rs:37:6 [INFO] [stdout] | [INFO] [stdout] 37 | fn decimal_to_bits(d: i32) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `hex_to_bits` [INFO] [stdout] --> src/crypto/mod.rs:42:10 [INFO] [stdout] | [INFO] [stdout] 42 | pub fn hex_to_bits(hex: &str) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `bits_to_hex` [INFO] [stdout] --> src/crypto/mod.rs:53:10 [INFO] [stdout] | [INFO] [stdout] 53 | pub fn bits_to_hex(bits: Vec) -> String { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `bits_to_decimal` [INFO] [stdout] --> src/crypto/mod.rs:62:10 [INFO] [stdout] | [INFO] [stdout] 62 | pub fn bits_to_decimal(bits: Vec) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 17 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/crypto/xor.rs:21:8 [INFO] [stdout] | [INFO] [stdout] 21 | if (score > best_score) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `xor` [INFO] [stdout] --> src/lib.rs:6:38 [INFO] [stdout] | [INFO] [stdout] 6 | use crate::crypto::{hex_to_base64, xor, xor_hex}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `letter_counts` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/crypto/xor.rs:76:7 [INFO] [stdout] | [INFO] [stdout] 75 | let v = letter_counts.get(&c).unwrap(); [INFO] [stdout] | ------------- immutable borrow occurs here [INFO] [stdout] 76 | letter_counts.insert(c, v + 1); [INFO] [stdout] | ^^^^^^^^^^^^^ - immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.68s [INFO] running `Command { std: "docker" "inspect" "18555250eeaab1f09ea392342ff08a92345fa53a3a0caba5a4162fcf93af524e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "18555250eeaab1f09ea392342ff08a92345fa53a3a0caba5a4162fcf93af524e", kill_on_drop: false }` [INFO] [stdout] 18555250eeaab1f09ea392342ff08a92345fa53a3a0caba5a4162fcf93af524e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", 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] e6c5b87077bc865c6d08737b009d18cd26e32bbce5a0bd05e3bc9c0b12522e24 [INFO] running `Command { std: "docker" "start" "-a" "e6c5b87077bc865c6d08737b009d18cd26e32bbce5a0bd05e3bc9c0b12522e24", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/crypto/xor.rs:21:8 [INFO] [stderr] | [INFO] [stderr] 21 | if (score > best_score) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `letter_counts` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/crypto/xor.rs:76:7 [INFO] [stderr] | [INFO] [stderr] 75 | let v = letter_counts.get(&c).unwrap(); [INFO] [stderr] | ------------- immutable borrow occurs here [INFO] [stderr] 76 | letter_counts.insert(c, v + 1); [INFO] [stderr] | ^^^^^^^^^^^^^ - immutable borrow later used here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: function is never used: `hex_to_base64` [INFO] [stderr] --> src/crypto/hex_to_base64.rs:4:8 [INFO] [stderr] | [INFO] [stderr] 4 | pub fn hex_to_base64(hex: &str) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `pad_bits` [INFO] [stderr] --> src/crypto/hex_to_base64.rs:22:4 [INFO] [stderr] | [INFO] [stderr] 22 | fn pad_bits(bits: Vec) -> Vec { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `bits_to_base64` [INFO] [stderr] --> src/crypto/hex_to_base64.rs:31:4 [INFO] [stderr] | [INFO] [stderr] 31 | fn bits_to_base64(bits: Vec) -> char { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `xor` [INFO] [stderr] --> src/crypto/xor.rs:4:8 [INFO] [stderr] | [INFO] [stderr] 4 | pub fn xor(hexed_input: &str, c: char) -> String { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `decode_fixed_xor` [INFO] [stderr] --> src/crypto/xor.rs:14:8 [INFO] [stderr] | [INFO] [stderr] 14 | pub fn decode_fixed_xor(hexed_input: &str) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `get_char_freq` [INFO] [stderr] --> src/crypto/xor.rs:30:4 [INFO] [stderr] | [INFO] [stderr] 30 | fn get_char_freq(c: char) -> f32 { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `freq_score` [INFO] [stderr] --> src/crypto/xor.rs:62:4 [INFO] [stderr] | [INFO] [stderr] 62 | fn freq_score(str: &str) -> f32 { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `xor_hex` [INFO] [stderr] --> src/crypto/xor_hex.rs:4:8 [INFO] [stderr] | [INFO] [stderr] 4 | pub fn xor_hex(a: &str, b: &str) -> String { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `hex_to_vecu8` [INFO] [stderr] --> src/crypto/mod.rs:9:10 [INFO] [stderr] | [INFO] [stderr] 9 | pub fn hex_to_vecu8(hex: &str) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `hex_to_u8` [INFO] [stderr] --> src/crypto/mod.rs:19:6 [INFO] [stderr] | [INFO] [stderr] 19 | fn hex_to_u8(hex: &str) -> u8 { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `hex_to_decimal` [INFO] [stderr] --> src/crypto/mod.rs:33:10 [INFO] [stderr] | [INFO] [stderr] 33 | pub fn hex_to_decimal(hex: &str) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `decimal_to_bits` [INFO] [stderr] --> src/crypto/mod.rs:37:6 [INFO] [stderr] | [INFO] [stderr] 37 | fn decimal_to_bits(d: i32) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `hex_to_bits` [INFO] [stderr] --> src/crypto/mod.rs:42:10 [INFO] [stderr] | [INFO] [stderr] 42 | pub fn hex_to_bits(hex: &str) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `bits_to_hex` [INFO] [stderr] --> src/crypto/mod.rs:53:10 [INFO] [stderr] | [INFO] [stderr] 53 | pub fn bits_to_hex(bits: Vec) -> String { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `bits_to_decimal` [INFO] [stderr] --> src/crypto/mod.rs:62:10 [INFO] [stderr] | [INFO] [stderr] 62 | pub fn bits_to_decimal(bits: Vec) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 17 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/crypto/xor.rs:21:8 [INFO] [stderr] | [INFO] [stderr] 21 | if (score > best_score) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `xor` [INFO] [stderr] --> src/lib.rs:6:38 [INFO] [stderr] | [INFO] [stderr] 6 | use crate::crypto::{hex_to_base64, xor, xor_hex}; [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `letter_counts` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/crypto/xor.rs:76:7 [INFO] [stderr] | [INFO] [stderr] 75 | let v = letter_counts.get(&c).unwrap(); [INFO] [stderr] | ------------- immutable borrow occurs here [INFO] [stderr] 76 | letter_counts.insert(c, v + 1); [INFO] [stderr] | ^^^^^^^^^^^^^ - immutable borrow later used here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.90s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/cryptopals-4eaec0e93f8c42cd [INFO] [stdout] [INFO] [stdout] running 10 tests [INFO] [stdout] test crypto::hex_to_base64::tests::test_hex_to_bits ... ok [INFO] [stdout] test tests::test_hex_to_vecu8 ... ok [INFO] [stdout] test tests::test_hex_to_base64_simple ... ok [INFO] [stdout] test crypto::tests::test_bits_to_decimal_6 ... ok [INFO] [stdout] test crypto::tests::test_hex_to_decimal ... ok [INFO] [stdout] test crypto::tests::test_bits_to_decimal_8 ... ok [INFO] [stdout] test tests::test_xor_hex ... ok [INFO] [stdout] test tests::test_hex_to_base64 ... ok [INFO] [stdout] test crypto::hex_to_base64::tests::test_pad_bits ... ok [INFO] [stdout] test crypto::xor::tests::test_decode ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests cryptopals [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 [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "e6c5b87077bc865c6d08737b009d18cd26e32bbce5a0bd05e3bc9c0b12522e24", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e6c5b87077bc865c6d08737b009d18cd26e32bbce5a0bd05e3bc9c0b12522e24", kill_on_drop: false }` [INFO] [stdout] e6c5b87077bc865c6d08737b009d18cd26e32bbce5a0bd05e3bc9c0b12522e24