[INFO] cloning repository https://github.com/rfrazier716/rust_101
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rfrazier716/rust_101" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frfrazier716%2Frust_101", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frfrazier716%2Frust_101'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eaba1c314ea9247d1d683ca2d0d6b64b6b0714eb
[INFO] checking rfrazier716/rust_101 against try#438eb4c1a1c3841523d7f672601e8adbe04cff28 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frfrazier716%2Frust_101" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rfrazier716/rust_101
[INFO] finished tweaking git repo https://github.com/rfrazier716/rust_101
[INFO] tweaked toml for git repo https://github.com/rfrazier716/rust_101 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rfrazier716/rust_101 on toolchain 438eb4c1a1c3841523d7f672601e8adbe04cff28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rfrazier716/rust_101 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" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking rfrazier716/rust_101 against try#438eb4c1a1c3841523d7f672601e8adbe04cff28 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frfrazier716%2Frust_101" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rfrazier716/rust_101
[INFO] finished tweaking git repo https://github.com/rfrazier716/rust_101
[INFO] tweaked toml for git repo https://github.com/rfrazier716/rust_101 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rfrazier716/rust_101 on toolchain 438eb4c1a1c3841523d7f672601e8adbe04cff28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rfrazier716/rust_101 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" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f15bfd5f65d952b1ca27663bcc801114e710c1493089e145460ae6a62e1da65e
[INFO] running `Command { std: "docker" "start" "-a" "f15bfd5f65d952b1ca27663bcc801114e710c1493089e145460ae6a62e1da65e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f15bfd5f65d952b1ca27663bcc801114e710c1493089e145460ae6a62e1da65e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f15bfd5f65d952b1ca27663bcc801114e710c1493089e145460ae6a62e1da65e", kill_on_drop: false }`
[INFO] [stdout] f15bfd5f65d952b1ca27663bcc801114e710c1493089e145460ae6a62e1da65e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46880a0e4ba12fa78b59bf23e4e05e792998910d4a2d7cf6266524caf2719999
[INFO] running `Command { std: "docker" "start" "-a" "46880a0e4ba12fa78b59bf23e4e05e792998910d4a2d7cf6266524caf2719999", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rectangles v0.1.0 (/opt/rustwide/workdir/rectangles)
[INFO] [stderr]     Checking variables v0.1.0 (/opt/rustwide/workdir/variables)
[INFO] [stderr]     Checking fizzbuzz v0.1.0 (/opt/rustwide/workdir/fizzbuzz)
[INFO] [stdout] error[E0502]: cannot borrow `s` as mutable because it is also borrowed as immutable
[INFO] [stdout]   --> variables/src/main.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let test = bad_substring(&s, 2);
[INFO] [stdout]    |                              -- immutable borrow occurs here
[INFO] [stdout] 20 |     append(&mut s, &to_append);
[INFO] [stdout]    |            ^^^^^^ mutable borrow occurs here
[INFO] [stdout] 21 |     println!("{test}");
[INFO] [stdout]    |                ---- immutable borrow later used here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_tuple` is never used
[INFO] [stdout]   --> rectangles/src/main.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl EquilateralPolygon {
[INFO] [stdout]    | ----------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 21 |     fn to_tuple(self) -> (u32, f64) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0502`.
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `s` as mutable because it is also borrowed as immutable
[INFO] [stdout]   --> variables/src/main.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let test = bad_substring(&s, 2);
[INFO] [stdout]    |                              -- immutable borrow occurs here
[INFO] [stdout] 20 |     append(&mut s, &to_append);
[INFO] [stdout]    |            ^^^^^^ mutable borrow occurs here
[INFO] [stdout] 21 |     println!("{test}");
[INFO] [stdout]    |                ---- immutable borrow later used here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_tuple` is never used
[INFO] [stdout]   --> rectangles/src/main.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl EquilateralPolygon {
[INFO] [stdout]    | ----------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 21 |     fn to_tuple(self) -> (u32, f64) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0502`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `variables` (bin "variables") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `variables` (bin "variables" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "46880a0e4ba12fa78b59bf23e4e05e792998910d4a2d7cf6266524caf2719999", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46880a0e4ba12fa78b59bf23e4e05e792998910d4a2d7cf6266524caf2719999", kill_on_drop: false }`
[INFO] [stdout] 46880a0e4ba12fa78b59bf23e4e05e792998910d4a2d7cf6266524caf2719999