[INFO] cloning repository https://github.com/daogangtang/cryptopals
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/daogangtang/cryptopals" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaogangtang%2Fcryptopals", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaogangtang%2Fcryptopals'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 06bf9e3c72cedfb831dfc5e6fffe74c61c5b873b
[INFO] checking daogangtang/cryptopals against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaogangtang%2Fcryptopals" "/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/daogangtang/cryptopals on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/daogangtang/cryptopals
[INFO] finished tweaking git repo https://github.com/daogangtang/cryptopals
[INFO] tweaked toml for git repo https://github.com/daogangtang/cryptopals written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/daogangtang/cryptopals already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4164ed0aafac2657494065e02789e8133761faf78eeab9c4687a18b3ded7c039
[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" "4164ed0aafac2657494065e02789e8133761faf78eeab9c4687a18b3ded7c039", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4164ed0aafac2657494065e02789e8133761faf78eeab9c4687a18b3ded7c039", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4164ed0aafac2657494065e02789e8133761faf78eeab9c4687a18b3ded7c039", kill_on_drop: false }`
[INFO] [stdout] 4164ed0aafac2657494065e02789e8133761faf78eeab9c4687a18b3ded7c039
[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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8dc542f7ed975813750662b9d402dd5aed4dbb4fdda68270f7004f43c0063526
[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" "8dc542f7ed975813750662b9d402dd5aed4dbb4fdda68270f7004f43c0063526", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking hamming v0.1.3
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking cryptopals v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `hex`
[INFO] [stdout]  --> src/break-repeating-key-xor.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use hex;
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hex`
[INFO] [stdout]  --> src/helper.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use hex;
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hex`
[INFO] [stdout]  --> src/break-repeating-key-xor.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use hex;
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hex`
[INFO] [stdout]  --> src/helper.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use hex;
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `target_msg` is assigned to, but never used
[INFO] [stdout]   --> src/helper.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let mut target_msg: Vec<u8> = vec![];
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_target_msg` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `target_msg` is never read
[INFO] [stdout]   --> src/helper.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |             target_msg = decrypted_bytes;
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `target_msg` is assigned to, but never used
[INFO] [stdout]   --> src/helper.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let mut target_msg: Vec<u8> = vec![];
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_target_msg` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `target_msg` is never read
[INFO] [stdout]   --> src/helper.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |             target_msg = decrypted_bytes;
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.01s
[INFO] running `Command { std: "docker" "inspect" "8dc542f7ed975813750662b9d402dd5aed4dbb4fdda68270f7004f43c0063526", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dc542f7ed975813750662b9d402dd5aed4dbb4fdda68270f7004f43c0063526", kill_on_drop: false }`
[INFO] [stdout] 8dc542f7ed975813750662b9d402dd5aed4dbb4fdda68270f7004f43c0063526