[INFO] cloning repository https://github.com/agarmu/reverse-polish-notation
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/agarmu/reverse-polish-notation" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagarmu%2Freverse-polish-notation", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagarmu%2Freverse-polish-notation'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b00a7520f1fc513a539beee394ec04b31843bd42
[INFO] testing agarmu/reverse-polish-notation against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagarmu%2Freverse-polish-notation" "/workspace/builds/worker-92/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-92/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/agarmu/reverse-polish-notation on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/agarmu/reverse-polish-notation
[INFO] finished tweaking git repo https://github.com/agarmu/reverse-polish-notation
[INFO] tweaked toml for git repo https://github.com/agarmu/reverse-polish-notation written to /workspace/builds/worker-92/source/Cargo.toml
[INFO] crate git repo https://github.com/agarmu/reverse-polish-notation already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f356814b7c9540f53f5e3fb74eff0027345b7750fc541585d29ed305c9fda4b
[INFO] running `Command { std: "docker" "start" "-a" "1f356814b7c9540f53f5e3fb74eff0027345b7750fc541585d29ed305c9fda4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f356814b7c9540f53f5e3fb74eff0027345b7750fc541585d29ed305c9fda4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f356814b7c9540f53f5e3fb74eff0027345b7750fc541585d29ed305c9fda4b", kill_on_drop: false }`
[INFO] [stdout] 1f356814b7c9540f53f5e3fb74eff0027345b7750fc541585d29ed305c9fda4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eab612fbf732fbe1cfbc1de709789b493979fa0ce8f0efc71b7040a2da37acc5
[INFO] running `Command { std: "docker" "start" "-a" "eab612fbf732fbe1cfbc1de709789b493979fa0ce8f0efc71b7040a2da37acc5", kill_on_drop: false }`
[INFO] [stderr]    Compiling polish-notation v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(exclusive_range_pattern)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `join` found for struct `Map` in the current scope
[INFO] [stdout]   --> src/main.rs:36:18
[INFO] [stdout]    |
[INFO] [stdout] 36 |                 .join(",")
[INFO] [stdout]    |                  ^^^^ method not found in `Map<std::slice::Iter<'_, f64>, [closure@src/main.rs:35:22: 35:39]>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `polish-notation` due to 3 previous errors
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "eab612fbf732fbe1cfbc1de709789b493979fa0ce8f0efc71b7040a2da37acc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eab612fbf732fbe1cfbc1de709789b493979fa0ce8f0efc71b7040a2da37acc5", kill_on_drop: false }`
[INFO] [stdout] eab612fbf732fbe1cfbc1de709789b493979fa0ce8f0efc71b7040a2da37acc5