[INFO] fetching crate mcube 0.0.1...
[INFO] checking mcube-0.0.1 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] extracting crate mcube 0.0.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate mcube 0.0.1 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mcube 0.0.1
[INFO] finished tweaking crates.io crate mcube 0.0.1
[INFO] tweaked toml for crates.io crate mcube 0.0.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6bba1d48927d6cdd664bc6dc3f0803011665af2dc73fdb56becbd533a5c05c22
[INFO] running `Command { std: "docker" "start" "-a" "6bba1d48927d6cdd664bc6dc3f0803011665af2dc73fdb56becbd533a5c05c22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6bba1d48927d6cdd664bc6dc3f0803011665af2dc73fdb56becbd533a5c05c22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bba1d48927d6cdd664bc6dc3f0803011665af2dc73fdb56becbd533a5c05c22", kill_on_drop: false }`
[INFO] [stdout] 6bba1d48927d6cdd664bc6dc3f0803011665af2dc73fdb56becbd533a5c05c22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 466363f54f77eb15c0d0d46b33462a6fd080b49719010a2b1365217a3cc2f814
[INFO] running `Command { std: "docker" "start" "-a" "466363f54f77eb15c0d0d46b33462a6fd080b49719010a2b1365217a3cc2f814", kill_on_drop: false }`
[INFO] [stderr]    Compiling cgmath v0.17.0
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking mcube v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::rc::*`
[INFO] [stdout]  --> src/common.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::rc::*;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::*`
[INFO] [stdout]  --> src/chunk.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::rc::*;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::hash_map::HashMap`
[INFO] [stdout]  --> src/task/manager.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::hash_map::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Matrix4`, `Point3`
[INFO] [stdout]  --> src/task/manager.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | use cgmath::{Point3, Matrix4};
[INFO] [stdout]   |              ^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cgmath::num_traits::identities::One`
[INFO] [stdout]  --> src/task/manager.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use cgmath::num_traits::identities::One;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::container`
[INFO] [stdout]   --> src/task/manager.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::container;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::*`
[INFO] [stdout]  --> src/container.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::rc::*;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::*`
[INFO] [stdout]  --> src/common.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::rc::*;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::*`
[INFO] [stdout]  --> src/chunk.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::rc::*;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::hash_map::HashMap`
[INFO] [stdout]  --> src/task/manager.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::hash_map::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Matrix4`, `Point3`
[INFO] [stdout]  --> src/task/manager.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | use cgmath::{Point3, Matrix4};
[INFO] [stdout]   |              ^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cgmath::num_traits::identities::One`
[INFO] [stdout]  --> src/task/manager.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use cgmath::num_traits::identities::One;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::container`
[INFO] [stdout]   --> src/task/manager.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::container;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::*`
[INFO] [stdout]  --> src/container.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::rc::*;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `origin`
[INFO] [stdout]    --> src/iter.rs:119:5
[INFO] [stdout]     |
[INFO] [stdout] 119 |     origin: Point3<f32>,
[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: `reset`
[INFO] [stdout]    --> src/iter.rs:166:8
[INFO] [stdout]     |
[INFO] [stdout] 166 |     fn reset(&mut self) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `modelmat`
[INFO] [stdout]   --> src/container.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     modelmat: Matrix4<f32>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `size_chunk`
[INFO] [stdout]   --> src/container.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     size_chunk: usize
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `origin`
[INFO] [stdout]    --> src/iter.rs:119:5
[INFO] [stdout]     |
[INFO] [stdout] 119 |     origin: Point3<f32>,
[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: `reset`
[INFO] [stdout]    --> src/iter.rs:166:8
[INFO] [stdout]     |
[INFO] [stdout] 166 |     fn reset(&mut self) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `modelmat`
[INFO] [stdout]   --> src/container.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     modelmat: Matrix4<f32>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `size_chunk`
[INFO] [stdout]   --> src/container.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     size_chunk: usize
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/task/data.rs:67:21
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     outer.send(output);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/task/mesh.rs:63:25
[INFO] [stdout]    |
[INFO] [stdout] 63 |                         outer.send(output);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/task/data.rs:67:21
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     outer.send(output);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/task/mesh.rs:63:25
[INFO] [stdout]    |
[INFO] [stdout] 63 |                         outer.send(output);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.75s
[INFO] running `Command { std: "docker" "inspect" "466363f54f77eb15c0d0d46b33462a6fd080b49719010a2b1365217a3cc2f814", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "466363f54f77eb15c0d0d46b33462a6fd080b49719010a2b1365217a3cc2f814", kill_on_drop: false }`
[INFO] [stdout] 466363f54f77eb15c0d0d46b33462a6fd080b49719010a2b1365217a3cc2f814