[INFO] cloning repository https://github.com/SolarLiner/xay
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SolarLiner/xay" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSolarLiner%2Fxay", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSolarLiner%2Fxay'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ae9f86af5170adc47d535231255401cae885ef58
[INFO] checking SolarLiner/xay against master#94b72d6bebbddb5d17860914c4544f37365e988c for pr-122789
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSolarLiner%2Fxay" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SolarLiner/xay on toolchain 94b72d6bebbddb5d17860914c4544f37365e988c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+94b72d6bebbddb5d17860914c4544f37365e988c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SolarLiner/xay
[INFO] finished tweaking git repo https://github.com/SolarLiner/xay
[INFO] tweaked toml for git repo https://github.com/SolarLiner/xay written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/SolarLiner/xay 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" "+94b72d6bebbddb5d17860914c4544f37365e988c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pathdiff v0.2.0
[INFO] [stderr]   Downloaded daggy v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+94b72d6bebbddb5d17860914c4544f37365e988c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e5805dd57d5f51db7c79c4e6680b8bc1697112e99a943364f941dd504b9f5f9
[INFO] running `Command { std: "docker" "start" "-a" "0e5805dd57d5f51db7c79c4e6680b8bc1697112e99a943364f941dd504b9f5f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e5805dd57d5f51db7c79c4e6680b8bc1697112e99a943364f941dd504b9f5f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e5805dd57d5f51db7c79c4e6680b8bc1697112e99a943364f941dd504b9f5f9", kill_on_drop: false }`
[INFO] [stdout] 0e5805dd57d5f51db7c79c4e6680b8bc1697112e99a943364f941dd504b9f5f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+94b72d6bebbddb5d17860914c4544f37365e988c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5c8d52e2ce6e5e662e109d4e0490c1ad363f93c77397a05de036dc847fe558b
[INFO] running `Command { std: "docker" "start" "-a" "c5c8d52e2ce6e5e662e109d4e0490c1ad363f93c77397a05de036dc847fe558b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking typed-arena v2.0.1
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling anyhow v1.0.34
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking shlex v0.1.1
[INFO] [stderr]     Checking pretty v0.10.0
[INFO] [stderr]     Checking pathdiff v0.2.0
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking mapset_macros v0.1.0 (/opt/rustwide/workdir/mapset_macros)
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking daggy v0.7.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling structopt-derive v0.4.10
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking ninja v0.1.0 (/opt/rustwide/workdir/ninja)
[INFO] [stdout] warning: unused import: `daggy::Dag`
[INFO] [stdout]   --> ninja/src/writer.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use daggy::Dag;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Graph`, `graph::NodeReferences`
[INFO] [stdout]  --> ninja/src/graph.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 |     petgraph::{graph::NodeReferences, visit::IntoNodeReferences, Direction, Graph},
[INFO] [stdout]   |                ^^^^^^^^^^^^^^^^^^^^^                                        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PathBuf`, `Path`
[INFO] [stdout]  --> ninja/src/graph.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     path::{Path, PathBuf},
[INFO] [stdout]   |            ^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `daggy::Dag`
[INFO] [stdout]   --> ninja/src/writer.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use daggy::Dag;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Graph`, `graph::NodeReferences`
[INFO] [stdout]  --> ninja/src/graph.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 |     petgraph::{graph::NodeReferences, visit::IntoNodeReferences, Direction, Graph},
[INFO] [stdout]   |                ^^^^^^^^^^^^^^^^^^^^^                                        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PathBuf`, `Path`
[INFO] [stdout]  --> ninja/src/graph.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     path::{Path, PathBuf},
[INFO] [stdout]   |            ^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking structopt v0.3.17
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking xay_graph v0.1.0 (/opt/rustwide/workdir/xay_graph)
[INFO] [stderr]     Checking xay v0.1.0 (/opt/rustwide/workdir/xay)
[INFO] [stdout] warning: unused import: `borrow::Cow`
[INFO] [stdout]  --> xay_graph/src/clike/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     borrow::Cow,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `borrow::Cow`
[INFO] [stdout]  --> xay_graph/src/clike/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     borrow::Cow,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BorrowMut`
[INFO] [stdout]  --> xay_graph/src/clike/compilation.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::{BorrowMut, Cow, Borrow};
[INFO] [stdout]   |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BorrowMut`
[INFO] [stdout]  --> xay_graph/src/clike/compilation.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::{BorrowMut, Cow, Borrow};
[INFO] [stdout]   |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Borrow`
[INFO] [stdout]  --> xay/src/clike/mod.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::{Cow, Borrow};
[INFO] [stdout]   |                        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BorrowMut`
[INFO] [stdout]  --> xay/src/clike/compilation.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::{BorrowMut, Cow};
[INFO] [stdout]   |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Borrow`
[INFO] [stdout]  --> xay/src/clike/mod.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::{Cow, Borrow};
[INFO] [stdout]   |                        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BorrowMut`
[INFO] [stdout]  --> xay/src/clike/compilation.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::{BorrowMut, Cow};
[INFO] [stdout]   |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> xay/src/clike/ast.rs:82:27
[INFO] [stdout]    |
[INFO] [stdout] 82 |                     .map(|mut l| l.into())
[INFO] [stdout]    |                           ----^
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> xay/src/clike/ast.rs:82:27
[INFO] [stdout]    |
[INFO] [stdout] 82 |                     .map(|mut l| l.into())
[INFO] [stdout]    |                           ----^
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> xay_graph/src/clike/mod.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |         graph.add_dependencies(entrypoint, objects);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 108 |         let _ = graph.add_dependencies(entrypoint, objects);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> xay_graph/src/clike/mod.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |         graph.add_dependencies(entrypoint, objects);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 108 |         let _ = graph.add_dependencies(entrypoint, objects);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> xay/src/clike/ast.rs:95:8
[INFO] [stdout]    |
[INFO] [stdout] 94 | impl<C, L> Library<C, L> {
[INFO] [stdout]    | ------------------------ associated function in this implementation
[INFO] [stdout] 95 |     fn new<S: Into<String>, P: AsRef<Path>>(linker: L, name: S, tgt_dir: P) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> xay/src/clike/ast.rs:95:8
[INFO] [stdout]    |
[INFO] [stdout] 94 | impl<C, L> Library<C, L> {
[INFO] [stdout]    | ------------------------ associated function in this implementation
[INFO] [stdout] 95 |     fn new<S: Into<String>, P: AsRef<Path>>(linker: L, name: S, tgt_dir: P) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BuildOptionsFile`, `BuildOptions`, `BuildType`, `CLikeProject`, `GCC`
[INFO] [stdout]  --> xay_graph/src/bin/xayg.rs:8:21
[INFO] [stdout]   |
[INFO] [stdout] 8 |     langc, langcpp, BuildOptions, BuildOptionsFile, BuildType, CLikeProject, GCC,
[INFO] [stdout]   |                     ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^  ^^^^^^^^^  ^^^^^^^^^^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BuildOptionsFile`, `BuildOptions`, `BuildType`, `CLikeProject`, `GCC`
[INFO] [stdout]  --> xay_graph/src/bin/xayg.rs:8:21
[INFO] [stdout]   |
[INFO] [stdout] 8 |     langc, langcpp, BuildOptions, BuildOptionsFile, BuildType, CLikeProject, GCC,
[INFO] [stdout]   |                     ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^  ^^^^^^^^^  ^^^^^^^^^^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `NinjaAst`
[INFO] [stdout]  --> xay/src/bin/xay.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ninja::{NinjaAst, Writer};
[INFO] [stdout]   |             ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `NinjaAst`
[INFO] [stdout]  --> xay/src/bin/xay.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ninja::{NinjaAst, Writer};
[INFO] [stdout]   |             ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.46s
[INFO] running `Command { std: "docker" "inspect" "c5c8d52e2ce6e5e662e109d4e0490c1ad363f93c77397a05de036dc847fe558b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5c8d52e2ce6e5e662e109d4e0490c1ad363f93c77397a05de036dc847fe558b", kill_on_drop: false }`
[INFO] [stdout] c5c8d52e2ce6e5e662e109d4e0490c1ad363f93c77397a05de036dc847fe558b