[INFO] cloning repository https://github.com/t-mw/space-opera
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/t-mw/space-opera" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ft-mw%2Fspace-opera", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ft-mw%2Fspace-opera'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f18ee95d4c0dacbda007d317a4af37579447cac7
[INFO] checking t-mw/space-opera against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ft-mw%2Fspace-opera" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/t-mw/space-opera on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/t-mw/space-opera
[INFO] finished tweaking git repo https://github.com/t-mw/space-opera
[INFO] tweaked toml for git repo https://github.com/t-mw/space-opera written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/t-mw/space-opera 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/t-mw/raylib-rs.git`
[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-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c6114a5c87aed9cc8740247e3c7ded41726c20fbacefd2cabebe3108d742d01
[INFO] running `Command { std: "docker" "start" "-a" "4c6114a5c87aed9cc8740247e3c7ded41726c20fbacefd2cabebe3108d742d01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c6114a5c87aed9cc8740247e3c7ded41726c20fbacefd2cabebe3108d742d01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c6114a5c87aed9cc8740247e3c7ded41726c20fbacefd2cabebe3108d742d01", kill_on_drop: false }`
[INFO] [stdout] 4c6114a5c87aed9cc8740247e3c7ded41726c20fbacefd2cabebe3108d742d01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7adfac202e353cb51f88036d2a4be38006af20e89bea8a70f4f67c5d0b4bc258
[INFO] running `Command { std: "docker" "start" "-a" "7adfac202e353cb51f88036d2a4be38006af20e89bea8a70f4f67c5d0b4bc258", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling raylib-rs v0.1.0 (https://github.com/t-mw/raylib-rs.git#b3855aeb)
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]    Compiling ld42 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand_core v0.2.1
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> build.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking aho-corasick v0.6.6
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]  --> src/ceptre.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate rand;
[INFO] [stdout]   | ------------------ the item `rand` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/ceptre.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:124:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::vec::Vec;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:124:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]  --> src/ceptre.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate rand;
[INFO] [stdout]   | ------------------ the item `rand` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/ceptre.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:124:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::vec::Vec;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:124:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]    --> src/ceptre.rs:661:5
[INFO] [stdout]     |
[INFO] [stdout] 661 |     rng: &mut R,
[INFO] [stdout]     |     ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]    --> src/ceptre.rs:661:5
[INFO] [stdout]     |
[INFO] [stdout] 661 |     rng: &mut R,
[INFO] [stdout]     |     ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dt`
[INFO] [stdout]    --> src/main.rs:224:9
[INFO] [stdout]     |
[INFO] [stdout] 224 |     let dt = (time2 - time1) as f32;
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_dt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dt`
[INFO] [stdout]    --> src/main.rs:224:9
[INFO] [stdout]     |
[INFO] [stdout] 224 |     let dt = (time2 - time1) as f32;
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_dt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `level` is never read
[INFO] [stdout]   --> src/main.rs:98:5
[INFO] [stdout]    |
[INFO] [stdout] 97 | struct LevelSounds {
[INFO] [stdout]    |        ----------- field in this struct
[INFO] [stdout] 98 |     level: i32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `beat_pos_for_sound` is never used
[INFO] [stdout]    --> src/main.rs:598:4
[INFO] [stdout]     |
[INFO] [stdout] 598 | fn beat_pos_for_sound(sound: &ray::Music) -> f32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/ceptre.rs:123:8
[INFO] [stdout]     |
[INFO] [stdout] 122 | impl Rule {
[INFO] [stdout]     | --------- associated function in this implementation
[INFO] [stdout] 123 |     fn new(inputs: Vec<Phrase>, outputs: Vec<Phrase>) -> Rule {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print` is never used
[INFO] [stdout]    --> src/ceptre.rs:336:12
[INFO] [stdout]     |
[INFO] [stdout] 180 | impl Context {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 336 |     pub fn print(&self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `match_variables` is never used
[INFO] [stdout]     --> src/ceptre.rs:1066:4
[INFO] [stdout]      |
[INFO] [stdout] 1066 | fn match_variables(input_tokens: &Phrase, pred_tokens: &Phrase) -> Option<Vec<Match>> {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_prime` is never used
[INFO] [stdout]     --> src/ceptre.rs:1210:4
[INFO] [stdout]      |
[INFO] [stdout] 1210 | fn random_prime<R: Rng>(rng: &mut R) -> usize {
[INFO] [stdout]      |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `IterRand` is never used
[INFO] [stdout]     --> src/ceptre.rs:1254:7
[INFO] [stdout]      |
[INFO] [stdout] 1254 | trait IterRand {
[INFO] [stdout]      |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IterRandState` is never constructed
[INFO] [stdout]     --> src/ceptre.rs:1302:8
[INFO] [stdout]      |
[INFO] [stdout] 1302 | struct IterRandState<'a, T: 'a> {
[INFO] [stdout]      |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_phrase` is never used
[INFO] [stdout]     --> src/ceptre.rs:1310:4
[INFO] [stdout]      |
[INFO] [stdout] 1310 | fn build_phrase(phrase: &Phrase, string_cache: &StringCache) -> String {
[INFO] [stdout]      |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_state` is never used
[INFO] [stdout]     --> src/ceptre.rs:1328:4
[INFO] [stdout]      |
[INFO] [stdout] 1328 | fn print_state(state: &Vec<Phrase>, string_cache: &StringCache) {
[INFO] [stdout]      |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rule_to_string` is never used
[INFO] [stdout]     --> src/ceptre.rs:1338:4
[INFO] [stdout]      |
[INFO] [stdout] 1338 | fn rule_to_string(rule: &Rule, string_cache: &StringCache) -> String {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `level` is never read
[INFO] [stdout]   --> src/main.rs:98:5
[INFO] [stdout]    |
[INFO] [stdout] 97 | struct LevelSounds {
[INFO] [stdout]    |        ----------- field in this struct
[INFO] [stdout] 98 |     level: i32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `beat_pos_for_sound` is never used
[INFO] [stdout]    --> src/main.rs:598:4
[INFO] [stdout]     |
[INFO] [stdout] 598 | fn beat_pos_for_sound(sound: &ray::Music) -> f32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/ceptre.rs:123:8
[INFO] [stdout]     |
[INFO] [stdout] 122 | impl Rule {
[INFO] [stdout]     | --------- associated function in this implementation
[INFO] [stdout] 123 |     fn new(inputs: Vec<Phrase>, outputs: Vec<Phrase>) -> Rule {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print` is never used
[INFO] [stdout]    --> src/ceptre.rs:336:12
[INFO] [stdout]     |
[INFO] [stdout] 180 | impl Context {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 336 |     pub fn print(&self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `match_variables` is never used
[INFO] [stdout]     --> src/ceptre.rs:1066:4
[INFO] [stdout]      |
[INFO] [stdout] 1066 | fn match_variables(input_tokens: &Phrase, pred_tokens: &Phrase) -> Option<Vec<Match>> {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_prime` is never used
[INFO] [stdout]     --> src/ceptre.rs:1210:4
[INFO] [stdout]      |
[INFO] [stdout] 1210 | fn random_prime<R: Rng>(rng: &mut R) -> usize {
[INFO] [stdout]      |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `IterRand` is never used
[INFO] [stdout]     --> src/ceptre.rs:1254:7
[INFO] [stdout]      |
[INFO] [stdout] 1254 | trait IterRand {
[INFO] [stdout]      |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IterRandState` is never constructed
[INFO] [stdout]     --> src/ceptre.rs:1302:8
[INFO] [stdout]      |
[INFO] [stdout] 1302 | struct IterRandState<'a, T: 'a> {
[INFO] [stdout]      |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_phrase` is never used
[INFO] [stdout]     --> src/ceptre.rs:1310:4
[INFO] [stdout]      |
[INFO] [stdout] 1310 | fn build_phrase(phrase: &Phrase, string_cache: &StringCache) -> String {
[INFO] [stdout]      |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_state` is never used
[INFO] [stdout]     --> src/ceptre.rs:1328:4
[INFO] [stdout]      |
[INFO] [stdout] 1328 | fn print_state(state: &Vec<Phrase>, string_cache: &StringCache) {
[INFO] [stdout]      |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rule_to_string` is never used
[INFO] [stdout]     --> src/ceptre.rs:1338:4
[INFO] [stdout]      |
[INFO] [stdout] 1338 | fn rule_to_string(rule: &Rule, string_cache: &StringCache) -> String {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.16s
[INFO] running `Command { std: "docker" "inspect" "7adfac202e353cb51f88036d2a4be38006af20e89bea8a70f4f67c5d0b4bc258", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7adfac202e353cb51f88036d2a4be38006af20e89bea8a70f4f67c5d0b4bc258", kill_on_drop: false }`
[INFO] [stdout] 7adfac202e353cb51f88036d2a4be38006af20e89bea8a70f4f67c5d0b4bc258
[INFO] checking t-mw/space-opera against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ft-mw%2Fspace-opera" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/t-mw/space-opera on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/t-mw/space-opera
[INFO] finished tweaking git repo https://github.com/t-mw/space-opera
[INFO] tweaked toml for git repo https://github.com/t-mw/space-opera written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/t-mw/space-opera 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34301617995c19cd6f5a9ddb1dcfa39eb699078de4875f64e3f97de3fa4d03ca
[INFO] running `Command { std: "docker" "start" "-a" "34301617995c19cd6f5a9ddb1dcfa39eb699078de4875f64e3f97de3fa4d03ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34301617995c19cd6f5a9ddb1dcfa39eb699078de4875f64e3f97de3fa4d03ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34301617995c19cd6f5a9ddb1dcfa39eb699078de4875f64e3f97de3fa4d03ca", kill_on_drop: false }`
[INFO] [stdout] 34301617995c19cd6f5a9ddb1dcfa39eb699078de4875f64e3f97de3fa4d03ca
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 342750a6bd7a0c4b9fd1ffb4ee8393843f036d7faf6c0c7784ee114a8553928a
[INFO] running `Command { std: "docker" "start" "-a" "342750a6bd7a0c4b9fd1ffb4ee8393843f036d7faf6c0c7784ee114a8553928a", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]    Compiling raylib-rs v0.1.0 (https://github.com/t-mw/raylib-rs.git#b3855aeb)
[INFO] [stderr]    Compiling ld42 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking rand_core v0.2.1
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> build.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking aho-corasick v0.6.6
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]  --> src/ceptre.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate rand;
[INFO] [stdout]   | ------------------ the item `rand` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/ceptre.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:124:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::vec::Vec;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:124:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]  --> src/ceptre.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate rand;
[INFO] [stdout]   | ------------------ the item `rand` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/ceptre.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:124:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::vec::Vec;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:124:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]    --> src/ceptre.rs:661:5
[INFO] [stdout]     |
[INFO] [stdout] 661 |     rng: &mut R,
[INFO] [stdout]     |     ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]    --> src/ceptre.rs:661:5
[INFO] [stdout]     |
[INFO] [stdout] 661 |     rng: &mut R,
[INFO] [stdout]     |     ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dt`
[INFO] [stdout]    --> src/main.rs:224:9
[INFO] [stdout]     |
[INFO] [stdout] 224 |     let dt = (time2 - time1) as f32;
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_dt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dt`
[INFO] [stdout]    --> src/main.rs:224:9
[INFO] [stdout]     |
[INFO] [stdout] 224 |     let dt = (time2 - time1) as f32;
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_dt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `level` is never read
[INFO] [stdout]   --> src/main.rs:98:5
[INFO] [stdout]    |
[INFO] [stdout] 97 | struct LevelSounds {
[INFO] [stdout]    |        ----------- field in this struct
[INFO] [stdout] 98 |     level: i32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `beat_pos_for_sound` is never used
[INFO] [stdout]    --> src/main.rs:598:4
[INFO] [stdout]     |
[INFO] [stdout] 598 | fn beat_pos_for_sound(sound: &ray::Music) -> f32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/ceptre.rs:123:8
[INFO] [stdout]     |
[INFO] [stdout] 122 | impl Rule {
[INFO] [stdout]     | --------- associated function in this implementation
[INFO] [stdout] 123 |     fn new(inputs: Vec<Phrase>, outputs: Vec<Phrase>) -> Rule {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print` is never used
[INFO] [stdout]    --> src/ceptre.rs:336:12
[INFO] [stdout]     |
[INFO] [stdout] 180 | impl Context {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 336 |     pub fn print(&self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `match_variables` is never used
[INFO] [stdout]     --> src/ceptre.rs:1066:4
[INFO] [stdout]      |
[INFO] [stdout] 1066 | fn match_variables(input_tokens: &Phrase, pred_tokens: &Phrase) -> Option<Vec<Match>> {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_prime` is never used
[INFO] [stdout]     --> src/ceptre.rs:1210:4
[INFO] [stdout]      |
[INFO] [stdout] 1210 | fn random_prime<R: Rng>(rng: &mut R) -> usize {
[INFO] [stdout]      |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `IterRand` is never used
[INFO] [stdout]     --> src/ceptre.rs:1254:7
[INFO] [stdout]      |
[INFO] [stdout] 1254 | trait IterRand {
[INFO] [stdout]      |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IterRandState` is never constructed
[INFO] [stdout]     --> src/ceptre.rs:1302:8
[INFO] [stdout]      |
[INFO] [stdout] 1302 | struct IterRandState<'a, T: 'a> {
[INFO] [stdout]      |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_phrase` is never used
[INFO] [stdout]     --> src/ceptre.rs:1310:4
[INFO] [stdout]      |
[INFO] [stdout] 1310 | fn build_phrase(phrase: &Phrase, string_cache: &StringCache) -> String {
[INFO] [stdout]      |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_state` is never used
[INFO] [stdout]     --> src/ceptre.rs:1328:4
[INFO] [stdout]      |
[INFO] [stdout] 1328 | fn print_state(state: &Vec<Phrase>, string_cache: &StringCache) {
[INFO] [stdout]      |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rule_to_string` is never used
[INFO] [stdout]     --> src/ceptre.rs:1338:4
[INFO] [stdout]      |
[INFO] [stdout] 1338 | fn rule_to_string(rule: &Rule, string_cache: &StringCache) -> String {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `level` is never read
[INFO] [stdout]   --> src/main.rs:98:5
[INFO] [stdout]    |
[INFO] [stdout] 97 | struct LevelSounds {
[INFO] [stdout]    |        ----------- field in this struct
[INFO] [stdout] 98 |     level: i32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `beat_pos_for_sound` is never used
[INFO] [stdout]    --> src/main.rs:598:4
[INFO] [stdout]     |
[INFO] [stdout] 598 | fn beat_pos_for_sound(sound: &ray::Music) -> f32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/ceptre.rs:123:8
[INFO] [stdout]     |
[INFO] [stdout] 122 | impl Rule {
[INFO] [stdout]     | --------- associated function in this implementation
[INFO] [stdout] 123 |     fn new(inputs: Vec<Phrase>, outputs: Vec<Phrase>) -> Rule {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print` is never used
[INFO] [stdout]    --> src/ceptre.rs:336:12
[INFO] [stdout]     |
[INFO] [stdout] 180 | impl Context {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 336 |     pub fn print(&self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `match_variables` is never used
[INFO] [stdout]     --> src/ceptre.rs:1066:4
[INFO] [stdout]      |
[INFO] [stdout] 1066 | fn match_variables(input_tokens: &Phrase, pred_tokens: &Phrase) -> Option<Vec<Match>> {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_prime` is never used
[INFO] [stdout]     --> src/ceptre.rs:1210:4
[INFO] [stdout]      |
[INFO] [stdout] 1210 | fn random_prime<R: Rng>(rng: &mut R) -> usize {
[INFO] [stdout]      |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `IterRand` is never used
[INFO] [stdout]     --> src/ceptre.rs:1254:7
[INFO] [stdout]      |
[INFO] [stdout] 1254 | trait IterRand {
[INFO] [stdout]      |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IterRandState` is never constructed
[INFO] [stdout]     --> src/ceptre.rs:1302:8
[INFO] [stdout]      |
[INFO] [stdout] 1302 | struct IterRandState<'a, T: 'a> {
[INFO] [stdout]      |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_phrase` is never used
[INFO] [stdout]     --> src/ceptre.rs:1310:4
[INFO] [stdout]      |
[INFO] [stdout] 1310 | fn build_phrase(phrase: &Phrase, string_cache: &StringCache) -> String {
[INFO] [stdout]      |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_state` is never used
[INFO] [stdout]     --> src/ceptre.rs:1328:4
[INFO] [stdout]      |
[INFO] [stdout] 1328 | fn print_state(state: &Vec<Phrase>, string_cache: &StringCache) {
[INFO] [stdout]      |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rule_to_string` is never used
[INFO] [stdout]     --> src/ceptre.rs:1338:4
[INFO] [stdout]      |
[INFO] [stdout] 1338 | fn rule_to_string(rule: &Rule, string_cache: &StringCache) -> String {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.73s
[INFO] running `Command { std: "docker" "inspect" "342750a6bd7a0c4b9fd1ffb4ee8393843f036d7faf6c0c7784ee114a8553928a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "342750a6bd7a0c4b9fd1ffb4ee8393843f036d7faf6c0c7784ee114a8553928a", kill_on_drop: false }`
[INFO] [stdout] 342750a6bd7a0c4b9fd1ffb4ee8393843f036d7faf6c0c7784ee114a8553928a