[INFO] cloning repository https://github.com/yvan-sraka/base64decode
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yvan-sraka/base64decode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyvan-sraka%2Fbase64decode", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyvan-sraka%2Fbase64decode'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 488b4395eccdf399d41b1ede9d5e33207c404882
[INFO] checking yvan-sraka/base64decode against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyvan-sraka%2Fbase64decode" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yvan-sraka/base64decode on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yvan-sraka/base64decode
[INFO] finished tweaking git repo https://github.com/yvan-sraka/base64decode
[INFO] tweaked toml for git repo https://github.com/yvan-sraka/base64decode written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/yvan-sraka/base64decode already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dbd2cf9217d4ff3b1862ff5cea09345258d6cc6cd3d9b2fb8a3c5ecb3f62e959
[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" "dbd2cf9217d4ff3b1862ff5cea09345258d6cc6cd3d9b2fb8a3c5ecb3f62e959", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbd2cf9217d4ff3b1862ff5cea09345258d6cc6cd3d9b2fb8a3c5ecb3f62e959", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbd2cf9217d4ff3b1862ff5cea09345258d6cc6cd3d9b2fb8a3c5ecb3f62e959", kill_on_drop: false }`
[INFO] [stdout] dbd2cf9217d4ff3b1862ff5cea09345258d6cc6cd3d9b2fb8a3c5ecb3f62e959
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 7b9f412a3e86a7bfe01415f037beaf4fcf8188455f964934d6143e4f9686a56c
[INFO] running `Command { std: "docker" "start" "-a" "7b9f412a3e86a7bfe01415f037beaf4fcf8188455f964934d6143e4f9686a56c", kill_on_drop: false }`
[INFO] [stderr]     Checking base64decode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0004]: non-exhaustive patterns: `'\u{0}'..='*'`, `','..='.'`, `':'..='@'` and 3 more not covered
[INFO] [stdout]   --> src/main.rs:12:33
[INFO] [stdout]    |
[INFO] [stdout] 12 |             let convert = match ch {
[INFO] [stdout]    |                                 ^^ patterns `'\u{0}'..='*'`, `','..='.'`, `':'..='@'` and 3 more not covered
[INFO] [stdout]    |
[INFO] [stdout]    = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms
[INFO] [stdout]    = note: the matched value is of type `char`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `input` as mutable, as it is not declared as mutable
[INFO] [stdout]   --> src/main.rs:37:32
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let input = String::new();
[INFO] [stdout]    |         ----- help: consider changing this to be mutable: `mut input`
[INFO] [stdout] 37 |     std::io::stdin().read_line(&mut input).unwrap();
[INFO] [stdout]    |                                ^^^^^^^^^^ cannot borrow as mutable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `base64decode`
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] Some errors have detailed explanations: E0004, E0596.
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stdout] For more information about an error, try `rustc --explain E0004`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0004]: non-exhaustive patterns: `'\u{0}'..='*'`, `','..='.'`, `':'..='@'` and 3 more not covered
[INFO] [stdout]   --> src/main.rs:12:33
[INFO] [stdout]    |
[INFO] [stdout] 12 |             let convert = match ch {
[INFO] [stdout]    |                                 ^^ patterns `'\u{0}'..='*'`, `','..='.'`, `':'..='@'` and 3 more not covered
[INFO] [stdout]    |
[INFO] [stdout]    = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms
[INFO] [stdout]    = note: the matched value is of type `char`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `input` as mutable, as it is not declared as mutable
[INFO] [stdout]   --> src/main.rs:37:32
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let input = String::new();
[INFO] [stdout]    |         ----- help: consider changing this to be mutable: `mut input`
[INFO] [stdout] 37 |     std::io::stdin().read_line(&mut input).unwrap();
[INFO] [stdout]    |                                ^^^^^^^^^^ cannot borrow as mutable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0004, E0596.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0004`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7b9f412a3e86a7bfe01415f037beaf4fcf8188455f964934d6143e4f9686a56c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b9f412a3e86a7bfe01415f037beaf4fcf8188455f964934d6143e4f9686a56c", kill_on_drop: false }`
[INFO] [stdout] 7b9f412a3e86a7bfe01415f037beaf4fcf8188455f964934d6143e4f9686a56c