[INFO] cloning repository https://github.com/keriwarr/cryptopals
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/keriwarr/cryptopals" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeriwarr%2Fcryptopals", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeriwarr%2Fcryptopals'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 02b47662db7489b7ae65c74af37ca4ea2af46c6e
[INFO] checking keriwarr/cryptopals against master#d902752866cbbdb331e3cf28ff6bba86ab0f6c62 for pr-77271
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeriwarr%2Fcryptopals" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/keriwarr/cryptopals on toolchain d902752866cbbdb331e3cf28ff6bba86ab0f6c62
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/keriwarr/cryptopals
[INFO] finished tweaking git repo https://github.com/keriwarr/cryptopals
[INFO] tweaked toml for git repo https://github.com/keriwarr/cryptopals written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/keriwarr/cryptopals already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "metadata" "--no-deps" "--format-version=1", 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] 926c58bd70dbfc0c1f42fd411d6f10b7e913687ca0b7db669d33cf14c943349c
[INFO] running `Command { std: "docker" "start" "-a" "926c58bd70dbfc0c1f42fd411d6f10b7e913687ca0b7db669d33cf14c943349c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "926c58bd70dbfc0c1f42fd411d6f10b7e913687ca0b7db669d33cf14c943349c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "926c58bd70dbfc0c1f42fd411d6f10b7e913687ca0b7db669d33cf14c943349c", kill_on_drop: false }`
[INFO] [stdout] 926c58bd70dbfc0c1f42fd411d6f10b7e913687ca0b7db669d33cf14c943349c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84da41bee7e160f3958277960d0660f0b5facc48a58ad8f9f6e0511b5f2407ed
[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" "84da41bee7e160f3958277960d0660f0b5facc48a58ad8f9f6e0511b5f2407ed", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking cryptopals v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/byte_stream.rs:654:5
[INFO] [stdout]     |
[INFO] [stdout] 654 | /     (if c >= 'A' && c <= 'Z' {
[INFO] [stdout] 655 | |         Some(c as u8 - 65)
[INFO] [stdout] 656 | |     } else if c >= 'a' && c <= 'z' {
[INFO] [stdout] 657 | |         Some(c as u8 - 71)
[INFO] [stdout] ...   |
[INFO] [stdout] 665 | |         None
[INFO] [stdout] 666 | |     })
[INFO] [stdout]     | |______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 654 |     if c >= 'A' && c <= 'Z' {
[INFO] [stdout] 655 |         Some(c as u8 - 65)
[INFO] [stdout] 656 |     } else if c >= 'a' && c <= 'z' {
[INFO] [stdout] 657 |         Some(c as u8 - 71)
[INFO] [stdout] 658 |     } else if c >= '0' && c <= '9' {
[INFO] [stdout] 659 |         Some(c as u8 + 4)
[INFO] [stdout]   ...
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/byte_stream.rs:654:5
[INFO] [stdout]     |
[INFO] [stdout] 654 | /     (if c >= 'A' && c <= 'Z' {
[INFO] [stdout] 655 | |         Some(c as u8 - 65)
[INFO] [stdout] 656 | |     } else if c >= 'a' && c <= 'z' {
[INFO] [stdout] 657 | |         Some(c as u8 - 71)
[INFO] [stdout] ...   |
[INFO] [stdout] 665 | |         None
[INFO] [stdout] 666 | |     })
[INFO] [stdout]     | |______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 654 |     if c >= 'A' && c <= 'Z' {
[INFO] [stdout] 655 |         Some(c as u8 - 65)
[INFO] [stdout] 656 |     } else if c >= 'a' && c <= 'z' {
[INFO] [stdout] 657 |         Some(c as u8 - 71)
[INFO] [stdout] 658 |     } else if c >= '0' && c <= '9' {
[INFO] [stdout] 659 |         Some(c as u8 + 4)
[INFO] [stdout]   ...
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/byte_stream.rs:300:13
[INFO] [stdout]     |
[INFO] [stdout] 300 |         let mut s = String::from_utf8_lossy(&self.data).into_owned();
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `str_escape` has been stable since 1.34.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(str_escape)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/byte_stream.rs:300:13
[INFO] [stdout]     |
[INFO] [stdout] 300 |         let mut s = String::from_utf8_lossy(&self.data).into_owned();
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `str_escape` has been stable since 1.34.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(str_escape)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "84da41bee7e160f3958277960d0660f0b5facc48a58ad8f9f6e0511b5f2407ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84da41bee7e160f3958277960d0660f0b5facc48a58ad8f9f6e0511b5f2407ed", kill_on_drop: false }`
[INFO] [stdout] 84da41bee7e160f3958277960d0660f0b5facc48a58ad8f9f6e0511b5f2407ed