[INFO] cloning repository https://github.com/jaysonsantos/bad-encryption-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jaysonsantos/bad-encryption-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaysonsantos%2Fbad-encryption-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaysonsantos%2Fbad-encryption-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 175f0ca058de91bc3052b66c3406f861ea64bf65
[INFO] checking jaysonsantos/bad-encryption-example against master#fc81ad22c453776de16acf9938976930cf8c9401 for pr-77325
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaysonsantos%2Fbad-encryption-example" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jaysonsantos/bad-encryption-example on toolchain fc81ad22c453776de16acf9938976930cf8c9401
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jaysonsantos/bad-encryption-example
[INFO] finished tweaking git repo https://github.com/jaysonsantos/bad-encryption-example
[INFO] tweaked toml for git repo https://github.com/jaysonsantos/bad-encryption-example written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/jaysonsantos/bad-encryption-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d76f4c2cbd0d89f86719400ffdedad7d62e90cd05102dabe47f901837181411b
[INFO] running `Command { std: "docker" "start" "-a" "d76f4c2cbd0d89f86719400ffdedad7d62e90cd05102dabe47f901837181411b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d76f4c2cbd0d89f86719400ffdedad7d62e90cd05102dabe47f901837181411b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d76f4c2cbd0d89f86719400ffdedad7d62e90cd05102dabe47f901837181411b", kill_on_drop: false }`
[INFO] [stdout] d76f4c2cbd0d89f86719400ffdedad7d62e90cd05102dabe47f901837181411b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 762e9d88ce1a5c857a466888d46edb908cff14c2f85d3dfca5cfb4a965cfb40c
[INFO] running `Command { std: "docker" "start" "-a" "762e9d88ce1a5c857a466888d46edb908cff14c2f85d3dfca5cfb4a965cfb40c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rayon-core v1.0.0
[INFO] [stderr]    Compiling libc v0.2.21
[INFO] [stderr]    Compiling deque v0.3.2
[INFO] [stderr]    Compiling lazy_static v0.2.8
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking byteorder v1.0.0
[INFO] [stderr]    Compiling gcc v0.3.45
[INFO] [stderr]     Checking adler32 v1.0.0
[INFO] [stderr]     Checking color_quant v1.0.0
[INFO] [stderr]     Checking inflate v0.1.1
[INFO] [stderr]     Checking scoped_threadpool v0.1.7
[INFO] [stderr]     Checking untrusted v0.3.2
[INFO] [stderr]     Checking num_cpus v1.4.0
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking gif v0.9.1
[INFO] [stderr]     Checking deflate v0.7.7
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]     Checking rayon v0.7.0
[INFO] [stderr]     Checking png v0.6.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.12
[INFO] [stderr]     Checking num-bigint v0.1.37
[INFO] [stderr]     Checking num-complex v0.1.37
[INFO] [stderr]    Compiling ring v0.7.5
[INFO] [stderr]     Checking num-rational v0.1.36
[INFO] [stderr]     Checking image v0.12.4
[INFO] [stderr]     Checking num v0.1.37
[INFO] [stderr]     Checking bad-encryption-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:64:17
[INFO] [stdout]    |
[INFO] [stdout] 64 |             let mut imgbuf = img.as_mut_rgb8().unwrap();
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:70:21
[INFO] [stdout]    |
[INFO] [stdout] 70 |                 let mut channels = pixel.channels_mut();
[INFO] [stdout]    |                     ----^^^^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:64:17
[INFO] [stdout]    |
[INFO] [stdout] 64 |             let mut imgbuf = img.as_mut_rgb8().unwrap();
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:70:21
[INFO] [stdout]    |
[INFO] [stdout] 70 |                 let mut channels = pixel.channels_mut();
[INFO] [stdout]    |                     ----^^^^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.48s
[INFO] running `Command { std: "docker" "inspect" "762e9d88ce1a5c857a466888d46edb908cff14c2f85d3dfca5cfb4a965cfb40c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "762e9d88ce1a5c857a466888d46edb908cff14c2f85d3dfca5cfb4a965cfb40c", kill_on_drop: false }`
[INFO] [stdout] 762e9d88ce1a5c857a466888d46edb908cff14c2f85d3dfca5cfb4a965cfb40c