[INFO] cloning repository https://github.com/Narsil/rosalind
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Narsil/rosalind" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNarsil%2Frosalind", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNarsil%2Frosalind'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5153633a923673da62dbf4a3db9f1cd2c9238611
[INFO] testing Narsil/rosalind against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNarsil%2Frosalind" "/workspace/builds/worker-43/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-43/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Narsil/rosalind on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Narsil/rosalind
[INFO] finished tweaking git repo https://github.com/Narsil/rosalind
[INFO] tweaked toml for git repo https://github.com/Narsil/rosalind written to /workspace/builds/worker-43/source/Cargo.toml
[INFO] crate git repo https://github.com/Narsil/rosalind already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ureq v2.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4a02b6dc4b89372dd636e9f8708d6a14ab7d1f929fa3ae98a4b0e5af959e1fe
[INFO] running `Command { std: "docker" "start" "-a" "c4a02b6dc4b89372dd636e9f8708d6a14ab7d1f929fa3ae98a4b0e5af959e1fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4a02b6dc4b89372dd636e9f8708d6a14ab7d1f929fa3ae98a4b0e5af959e1fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4a02b6dc4b89372dd636e9f8708d6a14ab7d1f929fa3ae98a4b0e5af959e1fe", kill_on_drop: false }`
[INFO] [stdout] c4a02b6dc4b89372dd636e9f8708d6a14ab7d1f929fa3ae98a4b0e5af959e1fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac6441fc6eb6c6a97eea148af7207148eada8edbe11076e8d988bdf4fa03a483
[INFO] running `Command { std: "docker" "start" "-a" "ac6441fc6eb6c6a97eea148af7207148eada8edbe11076e8d988bdf4fa03a483", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling cc v1.0.71
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling unicode-bidi v0.3.7
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling chunked_transfer v1.4.0
[INFO] [stderr]    Compiling tinyvec v1.5.0
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.2
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling webpki v0.21.4
[INFO] [stderr]    Compiling sct v0.6.1
[INFO] [stderr]    Compiling webpki-roots v0.21.1
[INFO] [stderr]    Compiling rustls v0.19.1
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling ureq v2.2.0
[INFO] [stderr]    Compiling rosalind v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `T: From<u8>` is not satisfied
[INFO] [stdout]   --> src/bin/patch.rs:19:25
[INFO] [stdout]    |
[INFO] [stdout] 19 |             c => Some(c.try_into().map_err(|_| MutationError)?),
[INFO] [stdout]    |                         ^^^^^^^^ the trait `From<u8>` is not implemented for `T`
[INFO] [stdout]    |
[INFO] [stdout]    = note: required because of the requirements on the impl of `Into<T>` for `u8`
[INFO] [stdout]    = note: required because of the requirements on the impl of `TryFrom<u8>` for `T`
[INFO] [stdout]    = note: required because of the requirements on the impl of `TryInto<T>` for `u8`
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl<T: Base + std::convert::From<u8>> Mutation<T> {
[INFO] [stdout]    |              ++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `T: From<u8>` is not satisfied
[INFO] [stdout]   --> src/bin/patch.rs:23:25
[INFO] [stdout]    |
[INFO] [stdout] 23 |             c => Some(c.try_into().map_err(|_| MutationError)?),
[INFO] [stdout]    |                         ^^^^^^^^ the trait `From<u8>` is not implemented for `T`
[INFO] [stdout]    |
[INFO] [stdout]    = note: required because of the requirements on the impl of `Into<T>` for `u8`
[INFO] [stdout]    = note: required because of the requirements on the impl of `TryFrom<u8>` for `T`
[INFO] [stdout]    = note: required because of the requirements on the impl of `TryInto<T>` for `u8`
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl<T: Base + std::convert::From<u8>> Mutation<T> {
[INFO] [stdout]    |              ++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rosalind` due to 3 previous errors
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ac6441fc6eb6c6a97eea148af7207148eada8edbe11076e8d988bdf4fa03a483", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac6441fc6eb6c6a97eea148af7207148eada8edbe11076e8d988bdf4fa03a483", kill_on_drop: false }`
[INFO] [stdout] ac6441fc6eb6c6a97eea148af7207148eada8edbe11076e8d988bdf4fa03a483