[INFO] cloning repository https://github.com/AnonymousDapper/compute
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AnonymousDapper/compute" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnonymousDapper%2Fcompute", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnonymousDapper%2Fcompute'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0d62b0396b67a2336be2add7736dc6702e18657e
[INFO] testing AnonymousDapper/compute against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnonymousDapper%2Fcompute" "/workspace/builds/worker-47/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-47/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AnonymousDapper/compute on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AnonymousDapper/compute
[INFO] finished tweaking git repo https://github.com/AnonymousDapper/compute
[INFO] tweaked toml for git repo https://github.com/AnonymousDapper/compute written to /workspace/builds/worker-47/source/Cargo.toml
[INFO] crate git repo https://github.com/AnonymousDapper/compute already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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 getopts v0.2.17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e82244ee746e8aba1314450ad43b641934714079a2452e517c9db65bba1eb6a5
[INFO] running `Command { std: "docker" "start" "-a" "e82244ee746e8aba1314450ad43b641934714079a2452e517c9db65bba1eb6a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e82244ee746e8aba1314450ad43b641934714079a2452e517c9db65bba1eb6a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e82244ee746e8aba1314450ad43b641934714079a2452e517c9db65bba1eb6a5", kill_on_drop: false }`
[INFO] [stdout] e82244ee746e8aba1314450ad43b641934714079a2452e517c9db65bba1eb6a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c430c517a94d249b26d9f40757586825273b5e2b4d1e59754d49ed08853c6b32
[INFO] running `Command { std: "docker" "start" "-a" "c430c517a94d249b26d9f40757586825273b5e2b4d1e59754d49ed08853c6b32", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling libc v0.2.36
[INFO] [stderr]    Compiling encode_unicode v0.1.3
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling getopts v0.2.17
[INFO] [stderr]    Compiling nix v0.5.1
[INFO] [stderr]    Compiling rustyline v1.0.0
[INFO] [stderr]    Compiling compute v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/component/scanner.rs:64:20
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let peek_idx = (self.index + 1);
[INFO] [stdout]    |                    ^              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 64 -     let peek_idx = (self.index + 1);
[INFO] [stdout] 64 +     let peek_idx = self.index + 1;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `verbosity` is assigned to, but never used
[INFO] [stdout]    --> src/main.rs:136:7
[INFO] [stdout]     |
[INFO] [stdout] 136 |   let verbosity: usize;
[INFO] [stdout]     |       ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]     = note: consider using `_verbosity` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `verbosity` is never read
[INFO] [stdout]    --> src/main.rs:148:5
[INFO] [stdout]     |
[INFO] [stdout] 148 |     verbosity = matches.opt_count("v");
[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 `verbosity` is never read
[INFO] [stdout]    --> src/main.rs:150:5
[INFO] [stdout]     |
[INFO] [stdout] 150 |     verbosity = 0;
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `source`
[INFO] [stdout]  --> src/component/scanner.rs:9:3
[INFO] [stdout]   |
[INFO] [stdout] 9 |   source: String,
[INFO] [stdout]   |   ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek`
[INFO] [stdout]   --> src/component/scanner.rs:63:6
[INFO] [stdout]    |
[INFO] [stdout] 63 |   fn peek(&self) -> char {
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Identifier`
[INFO] [stdout]   --> src/component/token.rs:66:3
[INFO] [stdout]    |
[INFO] [stdout] 66 |   Identifier(String),
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Float`
[INFO] [stdout]   --> src/component/token.rs:67:3
[INFO] [stdout]    |
[INFO] [stdout] 67 |   Float(f32),
[INFO] [stdout]    |   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SciNotFloat`
[INFO] [stdout]   --> src/component/token.rs:69:3
[INFO] [stdout]    |
[INFO] [stdout] 69 |   SciNotFloat(f32),
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SciNotInt`
[INFO] [stdout]   --> src/component/token.rs:70:3
[INFO] [stdout]    |
[INFO] [stdout] 70 |   SciNotInt(i32),
[INFO] [stdout]    |   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/component/logger.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new(line: u32, column: u32) -> Position {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `span_to`
[INFO] [stdout]   --> src/component/logger.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn span_to(self, to: Position) -> Span {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `forward`
[INFO] [stdout]   --> src/component/logger.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn forward(mut self, amount: u32) -> Position {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `backward`
[INFO] [stdout]   --> src/component/logger.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn backward(mut self, amount: u32) -> Position {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Span`
[INFO] [stdout]   --> src/component/logger.rs:43:14
[INFO] [stdout]    |
[INFO] [stdout] 43 |   pub struct Span {
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/component/logger.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn new(start: Position, end: Position) -> Span {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `merge`
[INFO] [stdout]   --> src/component/logger.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn merge(self, other: Span) -> Span {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Warning`
[INFO] [stdout]   --> src/component/logger.rs:69:3
[INFO] [stdout]    |
[INFO] [stdout] 69 |   Warning,
[INFO] [stdout]    |   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Message`
[INFO] [stdout]   --> src/component/logger.rs:70:3
[INFO] [stdout]    |
[INFO] [stdout] 70 |   Message,
[INFO] [stdout]    |   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Debug`
[INFO] [stdout]   --> src/component/logger.rs:71:3
[INFO] [stdout]    |
[INFO] [stdout] 71 |   Debug
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `warn`
[INFO] [stdout]   --> src/component/logger.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 | pub fn warn<T>(msg: T, line: u32, column: u32) where T: Into<String> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `log`
[INFO] [stdout]   --> src/component/logger.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 | pub fn log<T>(msg: T, line: u32, column: u32) where T: Into<String> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `debug`
[INFO] [stdout]   --> src/component/logger.rs:97:8
[INFO] [stdout]    |
[INFO] [stdout] 97 | pub fn debug<T>(msg: T, line: u32, column: u32) where T: Into<String> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.38s
[INFO] running `Command { std: "docker" "inspect" "c430c517a94d249b26d9f40757586825273b5e2b4d1e59754d49ed08853c6b32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c430c517a94d249b26d9f40757586825273b5e2b4d1e59754d49ed08853c6b32", kill_on_drop: false }`
[INFO] [stdout] c430c517a94d249b26d9f40757586825273b5e2b4d1e59754d49ed08853c6b32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c607743a8d9ee2ac531b4b7368a1633f518ca516ffcf283edcc006b72fccdd6
[INFO] running `Command { std: "docker" "start" "-a" "5c607743a8d9ee2ac531b4b7368a1633f518ca516ffcf283edcc006b72fccdd6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling compute v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/component/scanner.rs:64:20
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let peek_idx = (self.index + 1);
[INFO] [stdout]    |                    ^              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 64 -     let peek_idx = (self.index + 1);
[INFO] [stdout] 64 +     let peek_idx = self.index + 1;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `verbosity` is assigned to, but never used
[INFO] [stdout]    --> src/main.rs:136:7
[INFO] [stdout]     |
[INFO] [stdout] 136 |   let verbosity: usize;
[INFO] [stdout]     |       ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]     = note: consider using `_verbosity` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `verbosity` is never read
[INFO] [stdout]    --> src/main.rs:148:5
[INFO] [stdout]     |
[INFO] [stdout] 148 |     verbosity = matches.opt_count("v");
[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 `verbosity` is never read
[INFO] [stdout]    --> src/main.rs:150:5
[INFO] [stdout]     |
[INFO] [stdout] 150 |     verbosity = 0;
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `source`
[INFO] [stdout]  --> src/component/scanner.rs:9:3
[INFO] [stdout]   |
[INFO] [stdout] 9 |   source: String,
[INFO] [stdout]   |   ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek`
[INFO] [stdout]   --> src/component/scanner.rs:63:6
[INFO] [stdout]    |
[INFO] [stdout] 63 |   fn peek(&self) -> char {
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Identifier`
[INFO] [stdout]   --> src/component/token.rs:66:3
[INFO] [stdout]    |
[INFO] [stdout] 66 |   Identifier(String),
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Float`
[INFO] [stdout]   --> src/component/token.rs:67:3
[INFO] [stdout]    |
[INFO] [stdout] 67 |   Float(f32),
[INFO] [stdout]    |   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SciNotFloat`
[INFO] [stdout]   --> src/component/token.rs:69:3
[INFO] [stdout]    |
[INFO] [stdout] 69 |   SciNotFloat(f32),
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SciNotInt`
[INFO] [stdout]   --> src/component/token.rs:70:3
[INFO] [stdout]    |
[INFO] [stdout] 70 |   SciNotInt(i32),
[INFO] [stdout]    |   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/component/logger.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new(line: u32, column: u32) -> Position {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `span_to`
[INFO] [stdout]   --> src/component/logger.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn span_to(self, to: Position) -> Span {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `forward`
[INFO] [stdout]   --> src/component/logger.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn forward(mut self, amount: u32) -> Position {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `backward`
[INFO] [stdout]   --> src/component/logger.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn backward(mut self, amount: u32) -> Position {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Span`
[INFO] [stdout]   --> src/component/logger.rs:43:14
[INFO] [stdout]    |
[INFO] [stdout] 43 |   pub struct Span {
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/component/logger.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn new(start: Position, end: Position) -> Span {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `merge`
[INFO] [stdout]   --> src/component/logger.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn merge(self, other: Span) -> Span {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Warning`
[INFO] [stdout]   --> src/component/logger.rs:69:3
[INFO] [stdout]    |
[INFO] [stdout] 69 |   Warning,
[INFO] [stdout]    |   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Message`
[INFO] [stdout]   --> src/component/logger.rs:70:3
[INFO] [stdout]    |
[INFO] [stdout] 70 |   Message,
[INFO] [stdout]    |   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Debug`
[INFO] [stdout]   --> src/component/logger.rs:71:3
[INFO] [stdout]    |
[INFO] [stdout] 71 |   Debug
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `warn`
[INFO] [stdout]   --> src/component/logger.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 | pub fn warn<T>(msg: T, line: u32, column: u32) where T: Into<String> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `log`
[INFO] [stdout]   --> src/component/logger.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 | pub fn log<T>(msg: T, line: u32, column: u32) where T: Into<String> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `debug`
[INFO] [stdout]   --> src/component/logger.rs:97:8
[INFO] [stdout]    |
[INFO] [stdout] 97 | pub fn debug<T>(msg: T, line: u32, column: u32) where T: Into<String> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.07s
[INFO] running `Command { std: "docker" "inspect" "5c607743a8d9ee2ac531b4b7368a1633f518ca516ffcf283edcc006b72fccdd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c607743a8d9ee2ac531b4b7368a1633f518ca516ffcf283edcc006b72fccdd6", kill_on_drop: false }`
[INFO] [stdout] 5c607743a8d9ee2ac531b4b7368a1633f518ca516ffcf283edcc006b72fccdd6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ac6ecf79afed3c80cde7d4222f8036854b3e3f1bf8ca986e7c47d0a0eb5f6c4e
[INFO] running `Command { std: "docker" "start" "-a" "ac6ecf79afed3c80cde7d4222f8036854b3e3f1bf8ca986e7c47d0a0eb5f6c4e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/component/scanner.rs:64:20
[INFO] [stderr]    |
[INFO] [stderr] 64 |     let peek_idx = (self.index + 1);
[INFO] [stderr]    |                    ^              ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 64 -     let peek_idx = (self.index + 1);
[INFO] [stderr] 64 +     let peek_idx = self.index + 1;
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `verbosity` is assigned to, but never used
[INFO] [stderr]    --> src/main.rs:136:7
[INFO] [stderr]     |
[INFO] [stderr] 136 |   let verbosity: usize;
[INFO] [stderr]     |       ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]     = note: consider using `_verbosity` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `verbosity` is never read
[INFO] [stderr]    --> src/main.rs:148:5
[INFO] [stderr]     |
[INFO] [stderr] 148 |     verbosity = matches.opt_count("v");
[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 `verbosity` is never read
[INFO] [stderr]    --> src/main.rs:150:5
[INFO] [stderr]     |
[INFO] [stderr] 150 |     verbosity = 0;
[INFO] [stderr]     |     ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `source`
[INFO] [stderr]  --> src/component/scanner.rs:9:3
[INFO] [stderr]   |
[INFO] [stderr] 9 |   source: String,
[INFO] [stderr]   |   ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `peek`
[INFO] [stderr]   --> src/component/scanner.rs:63:6
[INFO] [stderr]    |
[INFO] [stderr] 63 |   fn peek(&self) -> char {
[INFO] [stderr]    |      ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Identifier`
[INFO] [stderr]   --> src/component/token.rs:66:3
[INFO] [stderr]    |
[INFO] [stderr] 66 |   Identifier(String),
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Float`
[INFO] [stderr]   --> src/component/token.rs:67:3
[INFO] [stderr]    |
[INFO] [stderr] 67 |   Float(f32),
[INFO] [stderr]    |   ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SciNotFloat`
[INFO] [stderr]   --> src/component/token.rs:69:3
[INFO] [stderr]    |
[INFO] [stderr] 69 |   SciNotFloat(f32),
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SciNotInt`
[INFO] [stderr]   --> src/component/token.rs:70:3
[INFO] [stderr]    |
[INFO] [stderr] 70 |   SciNotInt(i32),
[INFO] [stderr]    |   ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/component/logger.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn new(line: u32, column: u32) -> Position {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `span_to`
[INFO] [stderr]   --> src/component/logger.rs:21:12
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn span_to(self, to: Position) -> Span {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `forward`
[INFO] [stderr]   --> src/component/logger.rs:25:12
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn forward(mut self, amount: u32) -> Position {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `backward`
[INFO] [stderr]   --> src/component/logger.rs:30:12
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn backward(mut self, amount: u32) -> Position {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Span`
[INFO] [stderr]   --> src/component/logger.rs:43:14
[INFO] [stderr]    |
[INFO] [stderr] 43 |   pub struct Span {
[INFO] [stderr]    |              ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/component/logger.rs:49:12
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn new(start: Position, end: Position) -> Span {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `merge`
[INFO] [stderr]   --> src/component/logger.rs:57:12
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub fn merge(self, other: Span) -> Span {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Warning`
[INFO] [stderr]   --> src/component/logger.rs:69:3
[INFO] [stderr]    |
[INFO] [stderr] 69 |   Warning,
[INFO] [stderr]    |   ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Message`
[INFO] [stderr]   --> src/component/logger.rs:70:3
[INFO] [stderr]    |
[INFO] [stderr] 70 |   Message,
[INFO] [stderr]    |   ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Debug`
[INFO] [stderr]   --> src/component/logger.rs:71:3
[INFO] [stderr]    |
[INFO] [stderr] 71 |   Debug
[INFO] [stderr]    |   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `warn`
[INFO] [stderr]   --> src/component/logger.rs:89:8
[INFO] [stderr]    |
[INFO] [stderr] 89 | pub fn warn<T>(msg: T, line: u32, column: u32) where T: Into<String> {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `log`
[INFO] [stderr]   --> src/component/logger.rs:93:8
[INFO] [stderr]    |
[INFO] [stderr] 93 | pub fn log<T>(msg: T, line: u32, column: u32) where T: Into<String> {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `debug`
[INFO] [stderr]   --> src/component/logger.rs:97:8
[INFO] [stderr]    |
[INFO] [stderr] 97 | pub fn debug<T>(msg: T, line: u32, column: u32) where T: Into<String> {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `compute` (bin "compute" test) generated 24 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2m 12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/compute-214fd39cb59c0f0c)
[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" "ac6ecf79afed3c80cde7d4222f8036854b3e3f1bf8ca986e7c47d0a0eb5f6c4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac6ecf79afed3c80cde7d4222f8036854b3e3f1bf8ca986e7c47d0a0eb5f6c4e", kill_on_drop: false }`
[INFO] [stdout] ac6ecf79afed3c80cde7d4222f8036854b3e3f1bf8ca986e7c47d0a0eb5f6c4e