[INFO] cloning repository https://github.com/serapheles/alternative_language
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/serapheles/alternative_language" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fserapheles%2Falternative_language", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fserapheles%2Falternative_language'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4e510ec3bb5a2395ca3a7d089c7de13b7cdbcd5d
[INFO] checking serapheles/alternative_language against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fserapheles%2Falternative_language" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/serapheles/alternative_language on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/serapheles/alternative_language
[INFO] finished tweaking git repo https://github.com/serapheles/alternative_language
[INFO] tweaked toml for git repo https://github.com/serapheles/alternative_language written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/serapheles/alternative_language 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" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: toolchain
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking serapheles/alternative_language against try#7622c0f807a4e13c4db886a1681bf343795692df+rustflags=-Dnon_local_definitions for pr-120393
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fserapheles%2Falternative_language" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/serapheles/alternative_language on toolchain 7622c0f807a4e13c4db886a1681bf343795692df
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7622c0f807a4e13c4db886a1681bf343795692df" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/serapheles/alternative_language
[INFO] finished tweaking git repo https://github.com/serapheles/alternative_language
[INFO] tweaked toml for git repo https://github.com/serapheles/alternative_language written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/serapheles/alternative_language 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" "+7622c0f807a4e13c4db886a1681bf343795692df" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: toolchain
[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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+7622c0f807a4e13c4db886a1681bf343795692df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14a66e3256f73b068d3cbe451f7654a8b587daa6a989e91055dc1b8967e07f3f
[INFO] running `Command { std: "docker" "start" "-a" "14a66e3256f73b068d3cbe451f7654a8b587daa6a989e91055dc1b8967e07f3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14a66e3256f73b068d3cbe451f7654a8b587daa6a989e91055dc1b8967e07f3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14a66e3256f73b068d3cbe451f7654a8b587daa6a989e91055dc1b8967e07f3f", kill_on_drop: false }`
[INFO] [stdout] 14a66e3256f73b068d3cbe451f7654a8b587daa6a989e91055dc1b8967e07f3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dnon_local_definitions" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+7622c0f807a4e13c4db886a1681bf343795692df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15437426ee3d63bbfda168c90dfc1e0d37e7a672a741fa2b23a1e8370822334a
[INFO] running `Command { std: "docker" "start" "-a" "15437426ee3d63bbfda168c90dfc1e0d37e7a672a741fa2b23a1e8370822334a", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: toolchain
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking csv v1.2.2
[INFO] [stderr]     Checking alternative_language v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `s` is assigned to, but never used
[INFO] [stdout]    --> src/main.rs:182:13
[INFO] [stdout]     |
[INFO] [stdout] 182 |     let mut s = String::new();
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_s` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `s` is never read
[INFO] [stdout]    --> src/main.rs:187:13
[INFO] [stdout]     |
[INFO] [stdout] 187 |             s = key.to_string();
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `year` is assigned to, but never used
[INFO] [stdout]    --> src/main.rs:256:13
[INFO] [stdout]     |
[INFO] [stdout] 256 |     let mut year: u32 = 0;
[INFO] [stdout]     |             ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_year` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `year` is never read
[INFO] [stdout]    --> src/main.rs:261:13
[INFO] [stdout]     |
[INFO] [stdout] 261 |             year = *key;
[INFO] [stdout]     |             ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:303:9
[INFO] [stdout]     |
[INFO] [stdout] 303 |     let mut reader = csv::Reader::from_path("resources/cells.csv").unwrap();
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:304:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |     let mut vec = make_phone_vec(reader);
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Cell {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 15 |     oem: String,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 16 |     model: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 17 |     launch_announced: Option<u32>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 18 |     launch_status: Option<String>,
[INFO] [stdout] 19 |     body_dimensions: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 20 |     body_weight: Option<f32>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 21 |     body_sim: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 22 |     display_type: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 23 |     display_size: Option<f32>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 24 |     display_resolution: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 25 |     features_sensors: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 26 |     platform_os: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_string` is never used
[INFO] [stdout]   --> src/main.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl Cell {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 34 |     fn to_string(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_heaviest_oem` is never used
[INFO] [stdout]    --> src/main.rs:167:4
[INFO] [stdout]     |
[INFO] [stdout] 167 | fn find_heaviest_oem(phones: &Vec<Cell>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_year_mismatch` is never used
[INFO] [stdout]    --> src/main.rs:196:4
[INFO] [stdout]     |
[INFO] [stdout] 196 | fn find_year_mismatch(phones: &Vec<Cell>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_mono_feature` is never used
[INFO] [stdout]    --> src/main.rs:220:4
[INFO] [stdout]     |
[INFO] [stdout] 220 | fn find_mono_feature(phones: &Vec<Cell>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `s` is assigned to, but never used
[INFO] [stdout]    --> src/main.rs:182:13
[INFO] [stdout]     |
[INFO] [stdout] 182 |     let mut s = String::new();
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_s` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `s` is never read
[INFO] [stdout]    --> src/main.rs:187:13
[INFO] [stdout]     |
[INFO] [stdout] 187 |             s = key.to_string();
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `year` is assigned to, but never used
[INFO] [stdout]    --> src/main.rs:256:13
[INFO] [stdout]     |
[INFO] [stdout] 256 |     let mut year: u32 = 0;
[INFO] [stdout]     |             ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_year` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `year` is never read
[INFO] [stdout]    --> src/main.rs:261:13
[INFO] [stdout]     |
[INFO] [stdout] 261 |             year = *key;
[INFO] [stdout]     |             ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:303:9
[INFO] [stdout]     |
[INFO] [stdout] 303 |     let mut reader = csv::Reader::from_path("resources/cells.csv").unwrap();
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:304:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |     let mut vec = make_phone_vec(reader);
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:337:13
[INFO] [stdout]     |
[INFO] [stdout] 337 |         let mut reader = csv::Reader::from_path("resources/basic.csv").unwrap();
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:338:13
[INFO] [stdout]     |
[INFO] [stdout] 338 |         let mut vec = make_phone_vec(reader);
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:361:13
[INFO] [stdout]     |
[INFO] [stdout] 361 |         let mut reader = csv::Reader::from_path("resources/cells.csv").unwrap();
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:362:13
[INFO] [stdout]     |
[INFO] [stdout] 362 |         let mut vec = make_phone_vec(reader);
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:370:13
[INFO] [stdout]     |
[INFO] [stdout] 370 |         let mut reader = csv::Reader::from_path("resources/basic.csv").unwrap();
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:371:13
[INFO] [stdout]     |
[INFO] [stdout] 371 |         let mut vec = make_phone_vec(reader);
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_string` is never used
[INFO] [stdout]   --> src/main.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl Cell {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 34 |     fn to_string(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_heaviest_oem` is never used
[INFO] [stdout]    --> src/main.rs:167:4
[INFO] [stdout]     |
[INFO] [stdout] 167 | fn find_heaviest_oem(phones: &Vec<Cell>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_year_mismatch` is never used
[INFO] [stdout]    --> src/main.rs:196:4
[INFO] [stdout]     |
[INFO] [stdout] 196 | fn find_year_mismatch(phones: &Vec<Cell>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_mono_feature` is never used
[INFO] [stdout]    --> src/main.rs:220:4
[INFO] [stdout]     |
[INFO] [stdout] 220 | fn find_mono_feature(phones: &Vec<Cell>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.87s
[INFO] running `Command { std: "docker" "inspect" "15437426ee3d63bbfda168c90dfc1e0d37e7a672a741fa2b23a1e8370822334a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15437426ee3d63bbfda168c90dfc1e0d37e7a672a741fa2b23a1e8370822334a", kill_on_drop: false }`
[INFO] [stdout] 15437426ee3d63bbfda168c90dfc1e0d37e7a672a741fa2b23a1e8370822334a
