[INFO] cloning repository https://github.com/quells/cryptopals-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/quells/cryptopals-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquells%2Fcryptopals-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquells%2Fcryptopals-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7fc87bfbc8eb74ab068178aa4b1ff3a6f3b71927
[INFO] checking quells/cryptopals-rs against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquells%2Fcryptopals-rs" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/quells/cryptopals-rs on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/quells/cryptopals-rs
[INFO] finished tweaking git repo https://github.com/quells/cryptopals-rs
[INFO] tweaked toml for git repo https://github.com/quells/cryptopals-rs written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/quells/cryptopals-rs 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 511f6710c33687ab98f7a55413b5b28dc5719083d1749f90d66e0f6a9d734089
[INFO] running `Command { std: "docker" "start" "-a" "511f6710c33687ab98f7a55413b5b28dc5719083d1749f90d66e0f6a9d734089", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "511f6710c33687ab98f7a55413b5b28dc5719083d1749f90d66e0f6a9d734089", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "511f6710c33687ab98f7a55413b5b28dc5719083d1749f90d66e0f6a9d734089", kill_on_drop: false }`
[INFO] [stdout] 511f6710c33687ab98f7a55413b5b28dc5719083d1749f90d66e0f6a9d734089
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c0e6de3a9516018abbe10d2a81c96aa3477b088cf22fe6510bfa9f2494e68d7
[INFO] running `Command { std: "docker" "start" "-a" "1c0e6de3a9516018abbe10d2a81c96aa3477b088cf22fe6510bfa9f2494e68d7", kill_on_drop: false }`
[INFO] [stderr]     Checking cryptopals v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `std::slice::ExactChunks`
[INFO] [stdout]   --> src/utils.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | use std::slice::ExactChunks;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^ no `ExactChunks` in `slice`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::slice::ExactChunks`
[INFO] [stdout]   --> src/utils.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | use std::slice::ExactChunks;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^ no `ExactChunks` in `slice`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `exact_chunks`
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(exact_chunks)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `exact_chunks`
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(exact_chunks)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cryptopals` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0599]: no method named `exact_chunks` found for struct `Vec<u8>` in the current scope
[INFO] [stdout]    --> src/lib.rs:105:34
[INFO] [stdout]     |
[INFO] [stdout] 105 |                 let chunks = src.exact_chunks(key_size);
[INFO] [stdout]     |                                  ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `chunks` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 105 |                 let chunks = src.chunks(key_size);
[INFO] [stdout]     |                                  ~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cryptopals` (lib test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "1c0e6de3a9516018abbe10d2a81c96aa3477b088cf22fe6510bfa9f2494e68d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c0e6de3a9516018abbe10d2a81c96aa3477b088cf22fe6510bfa9f2494e68d7", kill_on_drop: false }`
[INFO] [stdout] 1c0e6de3a9516018abbe10d2a81c96aa3477b088cf22fe6510bfa9f2494e68d7