[INFO] cloning repository https://github.com/yvan-sraka/base64decode
[INFO] running `"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"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyvan-sraka%2Fbase64decode'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 488b4395eccdf399d41b1ede9d5e33207c404882
[INFO] testing yvan-sraka/base64decode against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyvan-sraka%2Fbase64decode" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yvan-sraka/base64decode on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-5/source/Cargo.toml
[INFO] crate git repo https://github.com/yvan-sraka/base64decode already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1a8fbab8bfce649f71710d6cfc834fc9cee247e7ed65f94be0dec722ca1083e7
[INFO] running `"docker" "start" "-a" "1a8fbab8bfce649f71710d6cfc834fc9cee247e7ed65f94be0dec722ca1083e7"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling base64decode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0004]: non-exhaustive patterns: `'\u{0}'..='*'`, `','..='.'`, `':'..='@'` and 3 more not covered
[INFO] [stderr]   --> src/main.rs:12:33
[INFO] [stderr]    |
[INFO] [stderr] 12 |             let convert = match ch {
[INFO] [stderr]    |                                 ^^ patterns `'\u{0}'..='*'`, `','..='.'`, `':'..='@'` and 3 more not covered
[INFO] [stderr]    |
[INFO] [stderr]    = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms
[INFO] [stderr]    = note: the matched value is of type `char`
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow `input` as mutable, as it is not declared as mutable
[INFO] [stderr]   --> src/main.rs:37:32
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let input = String::new();
[INFO] [stderr]    |         ----- help: consider changing this to be mutable: `mut input`
[INFO] [stderr] 37 |     std::io::stdin().read_line(&mut input).unwrap();
[INFO] [stderr]    |                                ^^^^^^^^^^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0004, E0596.
[INFO] [stderr] For more information about an error, try `rustc --explain E0004`.
[INFO] [stderr] error: could not compile `base64decode`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "1a8fbab8bfce649f71710d6cfc834fc9cee247e7ed65f94be0dec722ca1083e7"`
[INFO] running `"docker" "rm" "-f" "1a8fbab8bfce649f71710d6cfc834fc9cee247e7ed65f94be0dec722ca1083e7"`
[INFO] [stdout] 1a8fbab8bfce649f71710d6cfc834fc9cee247e7ed65f94be0dec722ca1083e7