[INFO] cloning repository https://github.com/ShrekBoards/gctconv
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ShrekBoards/gctconv" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShrekBoards%2Fgctconv", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShrekBoards%2Fgctconv'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 09821811dcfb2609f854eeea7b7d8ef81fbbdc5d
[INFO] testing ShrekBoards/gctconv against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShrekBoards%2Fgctconv" "/workspace/builds/worker-69/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-69/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ShrekBoards/gctconv on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ShrekBoards/gctconv
[INFO] finished tweaking git repo https://github.com/ShrekBoards/gctconv
[INFO] tweaked toml for git repo https://github.com/ShrekBoards/gctconv written to /workspace/builds/worker-69/source/Cargo.toml
[INFO] crate git repo https://github.com/ShrekBoards/gctconv already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded exitcode v1.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74bd9035e5ea05c4b271053451be03fdb024ddd3a4dee9299093c5e393caf66f
[INFO] running `Command { std: "docker" "start" "-a" "74bd9035e5ea05c4b271053451be03fdb024ddd3a4dee9299093c5e393caf66f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74bd9035e5ea05c4b271053451be03fdb024ddd3a4dee9299093c5e393caf66f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74bd9035e5ea05c4b271053451be03fdb024ddd3a4dee9299093c5e393caf66f", kill_on_drop: false }`
[INFO] [stdout] 74bd9035e5ea05c4b271053451be03fdb024ddd3a4dee9299093c5e393caf66f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 844e4a35b9dcc9da910daa5324fcd0c98bde5306e0b16d457a4ce548c59c66a3
[INFO] running `Command { std: "docker" "start" "-a" "844e4a35b9dcc9da910daa5324fcd0c98bde5306e0b16d457a4ce548c59c66a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling exitcode v1.1.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling gctconv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `TryInto`
[INFO] [stdout]  --> src/main.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 |     convert::{TryFrom, TryInto},
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Metadata`
[INFO] [stdout]  --> src/main.rs:7:22
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fs::{self, File, Metadata},
[INFO] [stdout]   |                      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ToPrimitive`
[INFO] [stdout]   --> src/main.rs:13:33
[INFO] [stdout]    |
[INFO] [stdout] 13 | use num_traits::{FromPrimitive, ToPrimitive};
[INFO] [stdout]    |                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `fn_string` is assigned to, but never used
[INFO] [stdout]   --> src/main.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let fn_string;
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_fn_string` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `fn_string` is never read
[INFO] [stdout]   --> src/main.rs:70:26
[INFO] [stdout]    |
[INFO] [stdout] 70 |             Some(str) => fn_string = str,
[INFO] [stdout]    |                          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `fn_string` is never read
[INFO] [stdout]   --> src/main.rs:71:21
[INFO] [stdout]    |
[INFO] [stdout] 71 |             None => fn_string = "[filename error]",
[INFO] [stdout]    |                     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `fn_string` is never read
[INFO] [stdout]   --> src/main.rs:73:17
[INFO] [stdout]    |
[INFO] [stdout] 73 |         None => fn_string = "[filename error]",
[INFO] [stdout]    |                 ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `fn_string` is assigned to, but never used
[INFO] [stdout]    --> src/main.rs:388:9
[INFO] [stdout]     |
[INFO] [stdout] 388 |     let fn_string;
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_fn_string` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `fn_string` is never read
[INFO] [stdout]    --> src/main.rs:392:26
[INFO] [stdout]     |
[INFO] [stdout] 392 |             Some(str) => fn_string = str,
[INFO] [stdout]     |                          ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `fn_string` is never read
[INFO] [stdout]    --> src/main.rs:393:21
[INFO] [stdout]     |
[INFO] [stdout] 393 |             None => fn_string = "[filename error]",
[INFO] [stdout]     |                     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `fn_string` is never read
[INFO] [stdout]    --> src/main.rs:395:17
[INFO] [stdout]     |
[INFO] [stdout] 395 |         None => fn_string = "[filename error]",
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `fn_string` is assigned to, but never used
[INFO] [stdout]    --> src/main.rs:543:17
[INFO] [stdout]     |
[INFO] [stdout] 543 |             let fn_string;
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_fn_string` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `fs_string` is assigned to, but never used
[INFO] [stdout]    --> src/main.rs:544:17
[INFO] [stdout]     |
[INFO] [stdout] 544 |             let fs_string;
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_fs_string` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `fn_string` is never read
[INFO] [stdout]    --> src/main.rs:547:34
[INFO] [stdout]     |
[INFO] [stdout] 547 |                     Some(str) => fn_string = str,
[INFO] [stdout]     |                                  ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `fn_string` is never read
[INFO] [stdout]    --> src/main.rs:548:29
[INFO] [stdout]     |
[INFO] [stdout] 548 |                     None => fn_string = "[filename error]",
[INFO] [stdout]     |                             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `fn_string` is never read
[INFO] [stdout]    --> src/main.rs:550:25
[INFO] [stdout]     |
[INFO] [stdout] 550 |                 None => fn_string = "[filename error]",
[INFO] [stdout]     |                         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `fs_string` is never read
[INFO] [stdout]    --> src/main.rs:555:34
[INFO] [stdout]     |
[INFO] [stdout] 555 |                     Some(str) => fs_string = str,
[INFO] [stdout]     |                                  ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `fs_string` is never read
[INFO] [stdout]    --> src/main.rs:556:29
[INFO] [stdout]     |
[INFO] [stdout] 556 |                     None => fs_string = "[filename error]",
[INFO] [stdout]     |                             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `fs_string` is never read
[INFO] [stdout]    --> src/main.rs:558:25
[INFO] [stdout]     |
[INFO] [stdout] 558 |                 None => fs_string = "[filename error]",
[INFO] [stdout]     |                         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_short`
[INFO] [stdout]    --> src/main.rs:670:4
[INFO] [stdout]     |
[INFO] [stdout] 670 | fn read_short(mut file: &File) -> Result<u16, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.22s
[INFO] running `Command { std: "docker" "inspect" "844e4a35b9dcc9da910daa5324fcd0c98bde5306e0b16d457a4ce548c59c66a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "844e4a35b9dcc9da910daa5324fcd0c98bde5306e0b16d457a4ce548c59c66a3", kill_on_drop: false }`
[INFO] [stdout] 844e4a35b9dcc9da910daa5324fcd0c98bde5306e0b16d457a4ce548c59c66a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5cab07bdd49854a03ef9e4b2c2413bda5a6e146374523424c4b7616000c85249
[INFO] running `Command { std: "docker" "start" "-a" "5cab07bdd49854a03ef9e4b2c2413bda5a6e146374523424c4b7616000c85249", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling gctconv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `TryInto`
[INFO] [stdout]  --> src/main.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 |     convert::{TryFrom, TryInto},
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Metadata`
[INFO] [stdout]  --> src/main.rs:7:22
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fs::{self, File, Metadata},
[INFO] [stdout]   |                      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ToPrimitive`
[INFO] [stdout]   --> src/main.rs:13:33
[INFO] [stdout]    |
[INFO] [stdout] 13 | use num_traits::{FromPrimitive, ToPrimitive};
[INFO] [stdout]    |                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `fn_string` is assigned to, but never used
[INFO] [stdout]   --> src/main.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let fn_string;
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_fn_string` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `fn_string` is never read
[INFO] [stdout]   --> src/main.rs:70:26
[INFO] [stdout]    |
[INFO] [stdout] 70 |             Some(str) => fn_string = str,
[INFO] [stdout]    |                          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `fn_string` is never read
[INFO] [stdout]   --> src/main.rs:71:21
[INFO] [stdout]    |
[INFO] [stdout] 71 |             None => fn_string = "[filename error]",
[INFO] [stdout]    |                     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `fn_string` is never read
[INFO] [stdout]   --> src/main.rs:73:17
[INFO] [stdout]    |
[INFO] [stdout] 73 |         None => fn_string = "[filename error]",
[INFO] [stdout]    |                 ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `fn_string` is assigned to, but never used
[INFO] [stdout]    --> src/main.rs:388:9
[INFO] [stdout]     |
[INFO] [stdout] 388 |     let fn_string;
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_fn_string` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `fn_string` is never read
[INFO] [stdout]    --> src/main.rs:392:26
[INFO] [stdout]     |
[INFO] [stdout] 392 |             Some(str) => fn_string = str,
[INFO] [stdout]     |                          ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `fn_string` is never read
[INFO] [stdout]    --> src/main.rs:393:21
[INFO] [stdout]     |
[INFO] [stdout] 393 |             None => fn_string = "[filename error]",
[INFO] [stdout]     |                     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `fn_string` is never read
[INFO] [stdout]    --> src/main.rs:395:17
[INFO] [stdout]     |
[INFO] [stdout] 395 |         None => fn_string = "[filename error]",
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `fn_string` is assigned to, but never used
[INFO] [stdout]    --> src/main.rs:543:17
[INFO] [stdout]     |
[INFO] [stdout] 543 |             let fn_string;
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_fn_string` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `fs_string` is assigned to, but never used
[INFO] [stdout]    --> src/main.rs:544:17
[INFO] [stdout]     |
[INFO] [stdout] 544 |             let fs_string;
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_fs_string` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `fn_string` is never read
[INFO] [stdout]    --> src/main.rs:547:34
[INFO] [stdout]     |
[INFO] [stdout] 547 |                     Some(str) => fn_string = str,
[INFO] [stdout]     |                                  ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `fn_string` is never read
[INFO] [stdout]    --> src/main.rs:548:29
[INFO] [stdout]     |
[INFO] [stdout] 548 |                     None => fn_string = "[filename error]",
[INFO] [stdout]     |                             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `fn_string` is never read
[INFO] [stdout]    --> src/main.rs:550:25
[INFO] [stdout]     |
[INFO] [stdout] 550 |                 None => fn_string = "[filename error]",
[INFO] [stdout]     |                         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `fs_string` is never read
[INFO] [stdout]    --> src/main.rs:555:34
[INFO] [stdout]     |
[INFO] [stdout] 555 |                     Some(str) => fs_string = str,
[INFO] [stdout]     |                                  ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `fs_string` is never read
[INFO] [stdout]    --> src/main.rs:556:29
[INFO] [stdout]     |
[INFO] [stdout] 556 |                     None => fs_string = "[filename error]",
[INFO] [stdout]     |                             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `fs_string` is never read
[INFO] [stdout]    --> src/main.rs:558:25
[INFO] [stdout]     |
[INFO] [stdout] 558 |                 None => fs_string = "[filename error]",
[INFO] [stdout]     |                         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_short`
[INFO] [stdout]    --> src/main.rs:670:4
[INFO] [stdout]     |
[INFO] [stdout] 670 | fn read_short(mut file: &File) -> Result<u16, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `Command { std: "docker" "inspect" "5cab07bdd49854a03ef9e4b2c2413bda5a6e146374523424c4b7616000c85249", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cab07bdd49854a03ef9e4b2c2413bda5a6e146374523424c4b7616000c85249", kill_on_drop: false }`
[INFO] [stdout] 5cab07bdd49854a03ef9e4b2c2413bda5a6e146374523424c4b7616000c85249
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2afa14ec547a0a7a25016dbd7b9ee0ba63234e2d1beb222a990050e73b5ea43d
[INFO] running `Command { std: "docker" "start" "-a" "2afa14ec547a0a7a25016dbd7b9ee0ba63234e2d1beb222a990050e73b5ea43d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `TryInto`
[INFO] [stderr]  --> src/main.rs:2:24
[INFO] [stderr]   |
[INFO] [stderr] 2 |     convert::{TryFrom, TryInto},
[INFO] [stderr]   |                        ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Metadata`
[INFO] [stderr]  --> src/main.rs:7:22
[INFO] [stderr]   |
[INFO] [stderr] 7 |     fs::{self, File, Metadata},
[INFO] [stderr]   |                      ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ToPrimitive`
[INFO] [stderr]   --> src/main.rs:13:33
[INFO] [stderr]    |
[INFO] [stderr] 13 | use num_traits::{FromPrimitive, ToPrimitive};
[INFO] [stderr]    |                                 ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `fn_string` is assigned to, but never used
[INFO] [stderr]   --> src/main.rs:66:9
[INFO] [stderr]    |
[INFO] [stderr] 66 |     let fn_string;
[INFO] [stderr]    |         ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]    = note: consider using `_fn_string` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `fn_string` is never read
[INFO] [stderr]   --> src/main.rs:70:26
[INFO] [stderr]    |
[INFO] [stderr] 70 |             Some(str) => fn_string = str,
[INFO] [stderr]    |                          ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `fn_string` is never read
[INFO] [stderr]   --> src/main.rs:71:21
[INFO] [stderr]    |
[INFO] [stderr] 71 |             None => fn_string = "[filename error]",
[INFO] [stderr]    |                     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `fn_string` is never read
[INFO] [stderr]   --> src/main.rs:73:17
[INFO] [stderr]    |
[INFO] [stderr] 73 |         None => fn_string = "[filename error]",
[INFO] [stderr]    |                 ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable `fn_string` is assigned to, but never used
[INFO] [stderr]    --> src/main.rs:388:9
[INFO] [stderr]     |
[INFO] [stderr] 388 |     let fn_string;
[INFO] [stderr]     |         ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_fn_string` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `fn_string` is never read
[INFO] [stderr]    --> src/main.rs:392:26
[INFO] [stderr]     |
[INFO] [stderr] 392 |             Some(str) => fn_string = str,
[INFO] [stderr]     |                          ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `fn_string` is never read
[INFO] [stderr]    --> src/main.rs:393:21
[INFO] [stderr]     |
[INFO] [stderr] 393 |             None => fn_string = "[filename error]",
[INFO] [stderr]     |                     ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `fn_string` is never read
[INFO] [stderr]    --> src/main.rs:395:17
[INFO] [stderr]     |
[INFO] [stderr] 395 |         None => fn_string = "[filename error]",
[INFO] [stderr]     |                 ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable `fn_string` is assigned to, but never used
[INFO] [stderr]    --> src/main.rs:543:17
[INFO] [stderr]     |
[INFO] [stderr] 543 |             let fn_string;
[INFO] [stderr]     |                 ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_fn_string` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variable `fs_string` is assigned to, but never used
[INFO] [stderr]    --> src/main.rs:544:17
[INFO] [stderr]     |
[INFO] [stderr] 544 |             let fs_string;
[INFO] [stderr]     |                 ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_fs_string` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `fn_string` is never read
[INFO] [stderr]    --> src/main.rs:547:34
[INFO] [stderr]     |
[INFO] [stderr] 547 |                     Some(str) => fn_string = str,
[INFO] [stderr]     |                                  ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `fn_string` is never read
[INFO] [stderr]    --> src/main.rs:548:29
[INFO] [stderr]     |
[INFO] [stderr] 548 |                     None => fn_string = "[filename error]",
[INFO] [stderr]     |                             ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `fn_string` is never read
[INFO] [stderr]    --> src/main.rs:550:25
[INFO] [stderr]     |
[INFO] [stderr] 550 |                 None => fn_string = "[filename error]",
[INFO] [stderr]     |                         ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `fs_string` is never read
[INFO] [stderr]    --> src/main.rs:555:34
[INFO] [stderr]     |
[INFO] [stderr] 555 |                     Some(str) => fs_string = str,
[INFO] [stderr]     |                                  ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `fs_string` is never read
[INFO] [stderr]    --> src/main.rs:556:29
[INFO] [stderr]     |
[INFO] [stderr] 556 |                     None => fs_string = "[filename error]",
[INFO] [stderr]     |                             ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `fs_string` is never read
[INFO] [stderr]    --> src/main.rs:558:25
[INFO] [stderr]     |
[INFO] [stderr] 558 |                 None => fs_string = "[filename error]",
[INFO] [stderr]     |                         ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read_short`
[INFO] [stderr]    --> src/main.rs:670:4
[INFO] [stderr]     |
[INFO] [stderr] 670 | fn read_short(mut file: &File) -> Result<u16, Error> {
[INFO] [stderr]     |    ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `gctconv` (bin "gctconv" test) generated 20 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.99s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/gctconv-0506c0fe4bac77ad)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2afa14ec547a0a7a25016dbd7b9ee0ba63234e2d1beb222a990050e73b5ea43d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2afa14ec547a0a7a25016dbd7b9ee0ba63234e2d1beb222a990050e73b5ea43d", kill_on_drop: false }`
[INFO] [stdout] 2afa14ec547a0a7a25016dbd7b9ee0ba63234e2d1beb222a990050e73b5ea43d