[INFO] cloning repository https://github.com/stickynotememo/chem-balancing
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stickynotememo/chem-balancing" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstickynotememo%2Fchem-balancing", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstickynotememo%2Fchem-balancing'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 54add3f57ddf537ec1a7cc76b7959960df5c10ee
[INFO] testing stickynotememo/chem-balancing against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstickynotememo%2Fchem-balancing" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/stickynotememo/chem-balancing
[INFO] finished tweaking git repo https://github.com/stickynotememo/chem-balancing
[INFO] tweaked toml for git repo https://github.com/stickynotememo/chem-balancing written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/stickynotememo/chem-balancing on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/stickynotememo/chem-balancing already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26785900de7b19e74d22daa5f168bc363c3b3ec2c91d877b65c7d1b556277558
[INFO] running `Command { std: "docker" "start" "-a" "26785900de7b19e74d22daa5f168bc363c3b3ec2c91d877b65c7d1b556277558", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26785900de7b19e74d22daa5f168bc363c3b3ec2c91d877b65c7d1b556277558", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26785900de7b19e74d22daa5f168bc363c3b3ec2c91d877b65c7d1b556277558", kill_on_drop: false }`
[INFO] [stdout] 26785900de7b19e74d22daa5f168bc363c3b3ec2c91d877b65c7d1b556277558
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 722efb4e5801f674d2c847c3fce0a6b8c0d7ae91a8b342437a8c7892d333b16c
[INFO] running `Command { std: "docker" "start" "-a" "722efb4e5801f674d2c847c3fce0a6b8c0d7ae91a8b342437a8c7892d333b16c", kill_on_drop: false }`
[INFO] [stderr]    Compiling balancing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: unexpected token: `)`
[INFO] [stdout]   --> src/main.rs:38:54
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 output.push_str(String::from(atom.1).);
[INFO] [stdout]    |                                                      ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `input` in this scope
[INFO] [stdout]    --> src/main.rs:153:25
[INFO] [stdout]     |
[INFO] [stdout] 153 |     while !is_balanced(&input) {
[INFO] [stdout]     |                         ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `String: From<&u64>` is not satisfied
[INFO] [stdout]   --> src/main.rs:38:33
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 output.push_str(String::from(atom.1).);
[INFO] [stdout]    |                                 ^^^^^^ the trait `From<&u64>` is not implemented for `String`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following other types implement trait `From<T>`:
[INFO] [stdout]              `String` implements `From<&String>`
[INFO] [stdout]              `String` implements `From<&mut str>`
[INFO] [stdout]              `String` implements `From<&str>`
[INFO] [stdout]              `String` implements `From<Box<str>>`
[INFO] [stdout]              `String` implements `From<Cow<'_, str>>`
[INFO] [stdout]              `String` implements `From<char>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:38:33
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 output.push_str(String::from(atom.1).);
[INFO] [stdout]    |                        -------- ^^^^^^^^^^^^^^^^^^^^ expected `&str`, found `String`
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        arguments to this method are incorrect
[INFO] [stdout]    |
[INFO] [stdout] note: method defined here
[INFO] [stdout]   --> /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/alloc/src/string.rs:1112:12
[INFO] [stdout] help: consider borrowing here
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 output.push_str(&String::from(atom.1).);
[INFO] [stdout]    |                                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308, E0425.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `balancing` (bin "balancing") due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "722efb4e5801f674d2c847c3fce0a6b8c0d7ae91a8b342437a8c7892d333b16c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "722efb4e5801f674d2c847c3fce0a6b8c0d7ae91a8b342437a8c7892d333b16c", kill_on_drop: false }`
[INFO] [stdout] 722efb4e5801f674d2c847c3fce0a6b8c0d7ae91a8b342437a8c7892d333b16c