[INFO] cloning repository https://github.com/graydot/rust-cryptopals
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/graydot/rust-cryptopals" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgraydot%2Frust-cryptopals", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgraydot%2Frust-cryptopals'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0ad28eca8393b4e9d62f5811f00be0fba3a13484
[INFO] documenting graydot/rust-cryptopals against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgraydot%2Frust-cryptopals" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/graydot/rust-cryptopals on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/graydot/rust-cryptopals
[INFO] finished tweaking git repo https://github.com/graydot/rust-cryptopals
[INFO] tweaked toml for git repo https://github.com/graydot/rust-cryptopals written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/graydot/rust-cryptopals already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded openssl-sys v0.9.51
[INFO] [stderr]   Downloaded bit v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fedb8cc6b168d9b897418c128149c5d112bd4818d30054815695c3607bbcf2c2
[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" "fedb8cc6b168d9b897418c128149c5d112bd4818d30054815695c3607bbcf2c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fedb8cc6b168d9b897418c128149c5d112bd4818d30054815695c3607bbcf2c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fedb8cc6b168d9b897418c128149c5d112bd4818d30054815695c3607bbcf2c2", kill_on_drop: false }`
[INFO] [stdout] fedb8cc6b168d9b897418c128149c5d112bd4818d30054815695c3607bbcf2c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9fa74512c2e2ac565c482a66061f74a627e04c3e22a688f5ff9aeed585ae7f86
[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" "9fa74512c2e2ac565c482a66061f74a627e04c3e22a688f5ff9aeed585ae7f86", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling bitflags v1.2.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling openssl v0.10.25
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking bit v0.1.1
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]    Compiling openssl-sys v0.9.51
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking block-cipher-trait v0.6.2
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking aes v0.3.2
[INFO] [stderr]     Checking cryptopals v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting cryptopals v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/utils.rs:124:5
[INFO] [stdout]     |
[INFO] [stdout] 124 |     (text ^ code)
[INFO] [stdout]     |     ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/utils.rs:182:59
[INFO] [stdout]     |
[INFO] [stdout] 182 | pub fn get_file_lines(file_name: &str) -> std::io::Result<(Vec<String>)> {
[INFO] [stdout]     |                                                           ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/oracle.rs:41:14
[INFO] [stdout]    |
[INFO] [stdout] 41 |     for i in (start..end) {
[INFO] [stdout]    |              ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/oracle.rs:45:18
[INFO] [stdout]    |
[INFO] [stdout] 45 |         for j in (0 as usize..block_length as usize){
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/utils.rs:124:5
[INFO] [stdout]     |
[INFO] [stdout] 124 |     (text ^ code)
[INFO] [stdout]     |     ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/utils.rs:182:59
[INFO] [stdout]     |
[INFO] [stdout] 182 | pub fn get_file_lines(file_name: &str) -> std::io::Result<(Vec<String>)> {
[INFO] [stdout]     |                                                           ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::utils::*`
[INFO] [stdout]  --> src/aes.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::utils::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::pk7::*`
[INFO] [stdout]  --> src/aes.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::pk7::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/oracle.rs:41:14
[INFO] [stdout]    |
[INFO] [stdout] 41 |     for i in (start..end) {
[INFO] [stdout]    |              ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/oracle.rs:45:18
[INFO] [stdout]    |
[INFO] [stdout] 45 |         for j in (0 as usize..block_length as usize){
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `iv`
[INFO] [stdout]   --> src/aes.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let iv: Option<&[u8]> = None;
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_iv`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `iv`
[INFO] [stdout]   --> src/aes.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let iv: Option<&[u8]> = None;
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_iv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `padding`
[INFO] [stdout]   --> src/aes.rs:81:27
[INFO] [stdout]    |
[INFO] [stdout] 81 |     let (decrypted_bytes, padding) = decrypted_bytes.split_at(values_len);
[INFO] [stdout]    |                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_padding`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/utils.rs:185:5
[INFO] [stdout]     |
[INFO] [stdout] 185 |     f.read_to_string(&mut contents);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/bin/c12.rs:22:19
[INFO] [stdout]    |
[INFO] [stdout] 22 |     for length in (1..MAX_KEY_LENGTH+1) { // change this to infinite
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `cryptopals`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name set1_c5 src/bin/set1_c5.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern aes=/opt/rustwide/target/debug/deps/libaes-6b8df5e850272784.rmeta --extern bit=/opt/rustwide/target/debug/deps/libbit-6f7c6d420ad92b70.rmeta --extern cryptopals=/opt/rustwide/target/debug/deps/libcryptopals-683d5b721adf372a.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-d317d4d8cc9ecda0.rmeta --extern openssl=/opt/rustwide/target/debug/deps/libopenssl-6bec87d13f2adc3e.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-ce61c6cf9a823f58.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "9fa74512c2e2ac565c482a66061f74a627e04c3e22a688f5ff9aeed585ae7f86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fa74512c2e2ac565c482a66061f74a627e04c3e22a688f5ff9aeed585ae7f86", kill_on_drop: false }`
[INFO] [stdout] 9fa74512c2e2ac565c482a66061f74a627e04c3e22a688f5ff9aeed585ae7f86