[INFO] cloning repository https://github.com/SilentFlyBy/blobtest
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SilentFlyBy/blobtest" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSilentFlyBy%2Fblobtest", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSilentFlyBy%2Fblobtest'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8516d15be728874580da6f46a71e35270538a392
[INFO] checking SilentFlyBy/blobtest against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSilentFlyBy%2Fblobtest" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SilentFlyBy/blobtest 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/SilentFlyBy/blobtest
[INFO] finished tweaking git repo https://github.com/SilentFlyBy/blobtest
[INFO] tweaked toml for git repo https://github.com/SilentFlyBy/blobtest written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/SilentFlyBy/blobtest 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]  Downloading crates ...
[INFO] [stderr]   Downloaded sdl2 v0.35.1
[INFO] [stderr]   Downloaded sdl2-sys v0.35.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 46d55c2c52588b031e904299633f5de247454db7cd62a63d2a3a7450f980262e
[INFO] running `Command { std: "docker" "start" "-a" "46d55c2c52588b031e904299633f5de247454db7cd62a63d2a3a7450f980262e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46d55c2c52588b031e904299633f5de247454db7cd62a63d2a3a7450f980262e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46d55c2c52588b031e904299633f5de247454db7cd62a63d2a3a7450f980262e", kill_on_drop: false }`
[INFO] [stdout] 46d55c2c52588b031e904299633f5de247454db7cd62a63d2a3a7450f980262e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 2a33b4a61eebae64214e250c5ac9edbd94b4095b8883f8871d1488fd16f67666
[INFO] running `Command { std: "docker" "start" "-a" "2a33b4a61eebae64214e250c5ac9edbd94b4095b8883f8871d1488fd16f67666", kill_on_drop: false }`
[INFO] [stderr]    Compiling version-compare v0.1.0
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling sdl2 v0.35.1
[INFO] [stderr]    Compiling sdl2-sys v0.35.1
[INFO] [stderr]     Checking blobtest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::ops::Index`
[INFO] [stdout]  --> src/curve.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::Index;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::slice::Iter`
[INFO] [stdout]  --> src/curve.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::slice::Iter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LinkedList`
[INFO] [stdout]  --> src/curve.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::{HashMap, LinkedList, BTreeMap};
[INFO] [stdout]   |                                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Index`
[INFO] [stdout]  --> src/curve.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::Index;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::slice::Iter`
[INFO] [stdout]  --> src/curve.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::slice::Iter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LinkedList`
[INFO] [stdout]  --> src/curve.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::{HashMap, LinkedList, BTreeMap};
[INFO] [stdout]   |                                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `int_abs_diff` has been stable since 1.60.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(int_abs_diff)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `map_first_last` has been stable since 1.66.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(map_first_last)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `int_abs_diff` has been stable since 1.60.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(int_abs_diff)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `map_first_last` has been stable since 1.66.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(map_first_last)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/curve.rs:22:25
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn get_value(&self, key: Micros) -> Option<T> {
[INFO] [stdout]    |                         ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/curve.rs:39:31
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn delete_keyframe(&self, key: Micros) {
[INFO] [stdout]    |                               ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last_index_time`
[INFO] [stdout]   --> src/curve.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let last_index_time = (key / INDEX_KEYFRAME_MICROSECONDS_TIME) * INDEX_KEYFRAME_MICROSECONDS_TIME;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_index_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Micros` is never used
[INFO] [stdout]  --> src/curve.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | type Micros = u64;
[INFO] [stdout]   |      ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INDEX_KEYFRAMES_PER_SECOND` is never used
[INFO] [stdout]  --> src/curve.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const INDEX_KEYFRAMES_PER_SECOND: u64 = 30;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INDEX_KEYFRAME_MICROSECONDS_TIME` is never used
[INFO] [stdout]  --> src/curve.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const INDEX_KEYFRAME_MICROSECONDS_TIME: u64 = ((1.0 / (INDEX_KEYFRAMES_PER_SECOND as f64)) * 1000000.0) as u64;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Curve` is never used
[INFO] [stdout]   --> src/curve.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub trait Curve<T> {
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LinearTimeCurve` is never constructed
[INFO] [stdout]   --> src/curve.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct LinearTimeCurve<T> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `KeyframeSet` is never constructed
[INFO] [stdout]   --> src/curve.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | struct KeyframeSet<'a, T> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `insert` is never used
[INFO] [stdout]   --> src/curve.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 49 | impl<T> KeyframeSet<'_, T> {
[INFO] [stdout]    | -------------------------- method in this implementation
[INFO] [stdout] 50 |     pub fn insert(&mut self, key: Micros, value: T) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `InterpolateLinear` is never used
[INFO] [stdout]   --> src/curve.rs:57:7
[INFO] [stdout]    |
[INFO] [stdout] 57 | trait InterpolateLinear<T=Self> {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/curve.rs:22:25
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn get_value(&self, key: Micros) -> Option<T> {
[INFO] [stdout]    |                         ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/curve.rs:39:31
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn delete_keyframe(&self, key: Micros) {
[INFO] [stdout]    |                               ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last_index_time`
[INFO] [stdout]   --> src/curve.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let last_index_time = (key / INDEX_KEYFRAME_MICROSECONDS_TIME) * INDEX_KEYFRAME_MICROSECONDS_TIME;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_index_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Micros` is never used
[INFO] [stdout]  --> src/curve.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | type Micros = u64;
[INFO] [stdout]   |      ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INDEX_KEYFRAMES_PER_SECOND` is never used
[INFO] [stdout]  --> src/curve.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const INDEX_KEYFRAMES_PER_SECOND: u64 = 30;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INDEX_KEYFRAME_MICROSECONDS_TIME` is never used
[INFO] [stdout]  --> src/curve.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const INDEX_KEYFRAME_MICROSECONDS_TIME: u64 = ((1.0 / (INDEX_KEYFRAMES_PER_SECOND as f64)) * 1000000.0) as u64;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Curve` is never used
[INFO] [stdout]   --> src/curve.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub trait Curve<T> {
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LinearTimeCurve` is never constructed
[INFO] [stdout]   --> src/curve.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct LinearTimeCurve<T> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `KeyframeSet` is never constructed
[INFO] [stdout]   --> src/curve.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | struct KeyframeSet<'a, T> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `insert` is never used
[INFO] [stdout]   --> src/curve.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 49 | impl<T> KeyframeSet<'_, T> {
[INFO] [stdout]    | -------------------------- method in this implementation
[INFO] [stdout] 50 |     pub fn insert(&mut self, key: Micros, value: T) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `InterpolateLinear` is never used
[INFO] [stdout]   --> src/curve.rs:57:7
[INFO] [stdout]    |
[INFO] [stdout] 57 | trait InterpolateLinear<T=Self> {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::collections::btree_map::Iter` that must be used
[INFO] [stdout]   --> src/curve.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         self.keyframes.iter();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: iterators are lazy and do nothing unless consumed
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 23 |         let _ = self.keyframes.iter();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::collections::btree_map::Iter` that must be used
[INFO] [stdout]   --> src/curve.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         self.keyframes.iter();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: iterators are lazy and do nothing unless consumed
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 23 |         let _ = self.keyframes.iter();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.42s
[INFO] running `Command { std: "docker" "inspect" "2a33b4a61eebae64214e250c5ac9edbd94b4095b8883f8871d1488fd16f67666", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a33b4a61eebae64214e250c5ac9edbd94b4095b8883f8871d1488fd16f67666", kill_on_drop: false }`
[INFO] [stdout] 2a33b4a61eebae64214e250c5ac9edbd94b4095b8883f8871d1488fd16f67666