[INFO] cloning repository https://github.com/uroborosq/uq-tools-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/uroborosq/uq-tools-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Furoborosq%2Fuq-tools-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Furoborosq%2Fuq-tools-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5d56bc0d5af5d0480740cf43551690a8441b51e1
[INFO] checking uroborosq/uq-tools-rust against try#f77b5bc6c7c84df104f86b0dd01d9490e3923fa8 for pr-147834
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Furoborosq%2Fuq-tools-rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/uroborosq/uq-tools-rust
[INFO] finished tweaking git repo https://github.com/uroborosq/uq-tools-rust
[INFO] tweaked toml for git repo https://github.com/uroborosq/uq-tools-rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/uroborosq/uq-tools-rust on toolchain f77b5bc6c7c84df104f86b0dd01d9490e3923fa8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/uroborosq/uq-tools-rust 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" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 642bcdfe6fb7b3321c093e1279d46e7eb41b7c48acfc452bd735b5a277c5f3c9
[INFO] running `Command { std: "docker" "start" "-a" "642bcdfe6fb7b3321c093e1279d46e7eb41b7c48acfc452bd735b5a277c5f3c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "642bcdfe6fb7b3321c093e1279d46e7eb41b7c48acfc452bd735b5a277c5f3c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "642bcdfe6fb7b3321c093e1279d46e7eb41b7c48acfc452bd735b5a277c5f3c9", kill_on_drop: false }`
[INFO] [stdout] 642bcdfe6fb7b3321c093e1279d46e7eb41b7c48acfc452bd735b5a277c5f3c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c67f9d2d10c2298ea37302ea50fa2190d977eecfd6c63d0c07a01af25606a97
[INFO] running `Command { std: "docker" "start" "-a" "9c67f9d2d10c2298ea37302ea50fa2190d977eecfd6c63d0c07a01af25606a97", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.173
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]     Checking slab v0.4.10
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling syn v2.0.103
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking parking_lot_core v0.9.11
[INFO] [stderr]     Checking signal-hook-registry v1.4.5
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]     Checking socket2 v0.5.10
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]     Checking tokio v1.45.1
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking linux-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/temperature/sensors.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let mut sensors: HashMap<String, Sensor> = HashMap::new();
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0594]: cannot assign to data in an index of `HashMap<String, Sensor>`
[INFO] [stdout]   --> src/temperature/sensors.rs:44:21
[INFO] [stdout]    |
[INFO] [stdout] 44 |                     sensors[sensor_id].label = sensor_label;
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^ cannot assign
[INFO] [stdout]    |
[INFO] [stdout]    = help: trait `IndexMut` is required to modify indexed content, but it is not implemented for `HashMap<String, Sensor>`
[INFO] [stdout]    = help: to modify a `HashMap<String, Sensor>`, use `.get_mut()`, `.insert()` or the entry API
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input_string`
[INFO] [stdout]   --> src/temperature/sensors.rs:47:25
[INFO] [stdout]    |
[INFO] [stdout] 47 |                     let input_string = fs::read_to_string(sensor_file.path())?;
[INFO] [stdout]    |                         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_string`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0594`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `linux-rust` (bin "temperature") due to 1 previous error; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/temperature/sensors.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let mut sensors: HashMap<String, Sensor> = HashMap::new();
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0594]: cannot assign to data in an index of `HashMap<String, Sensor>`
[INFO] [stdout]   --> src/temperature/sensors.rs:44:21
[INFO] [stdout]    |
[INFO] [stdout] 44 |                     sensors[sensor_id].label = sensor_label;
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^ cannot assign
[INFO] [stdout]    |
[INFO] [stdout]    = help: trait `IndexMut` is required to modify indexed content, but it is not implemented for `HashMap<String, Sensor>`
[INFO] [stdout]    = help: to modify a `HashMap<String, Sensor>`, use `.get_mut()`, `.insert()` or the entry API
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input_string`
[INFO] [stdout]   --> src/temperature/sensors.rs:47:25
[INFO] [stdout]    |
[INFO] [stdout] 47 |                     let input_string = fs::read_to_string(sensor_file.path())?;
[INFO] [stdout]    |                         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_string`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0594`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `linux-rust` (bin "temperature" test) due to 1 previous error; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "9c67f9d2d10c2298ea37302ea50fa2190d977eecfd6c63d0c07a01af25606a97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c67f9d2d10c2298ea37302ea50fa2190d977eecfd6c63d0c07a01af25606a97", kill_on_drop: false }`
[INFO] [stdout] 9c67f9d2d10c2298ea37302ea50fa2190d977eecfd6c63d0c07a01af25606a97
