[INFO] fetching crate UWUWUW 0.13.4...
[INFO] checking UWUWUW-0.13.4 against master#c2239bca5b89a8d3573cc0fc0f2fa65c50edb79c for pr-123737
[INFO] extracting crate UWUWUW 0.13.4 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate UWUWUW 0.13.4 on toolchain c2239bca5b89a8d3573cc0fc0f2fa65c50edb79c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2239bca5b89a8d3573cc0fc0f2fa65c50edb79c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate UWUWUW 0.13.4
[INFO] finished tweaking crates.io crate UWUWUW 0.13.4
[INFO] tweaked toml for crates.io crate UWUWUW 0.13.4 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate UWUWUW 0.13.4 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" "+c2239bca5b89a8d3573cc0fc0f2fa65c50edb79c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
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[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" "+c2239bca5b89a8d3573cc0fc0f2fa65c50edb79c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 25a5059ce78a823e37843911b815388aa3a27e1a5c6817d13dd362de2e5e5834
[INFO] running `Command { std: "docker" "start" "-a" "25a5059ce78a823e37843911b815388aa3a27e1a5c6817d13dd362de2e5e5834", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25a5059ce78a823e37843911b815388aa3a27e1a5c6817d13dd362de2e5e5834", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25a5059ce78a823e37843911b815388aa3a27e1a5c6817d13dd362de2e5e5834", kill_on_drop: false }`
[INFO] [stdout] 25a5059ce78a823e37843911b815388aa3a27e1a5c6817d13dd362de2e5e5834
[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" "+c2239bca5b89a8d3573cc0fc0f2fa65c50edb79c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b65be333d7bb9c6c1d46d416e0bf800cc66b06044fd87b5bb69830c3b4164fe
[INFO] running `Command { std: "docker" "start" "-a" "8b65be333d7bb9c6c1d46d416e0bf800cc66b06044fd87b5bb69830c3b4164fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.24
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[INFO] [stderr]    Compiling UWUWUW v0.13.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking fastrand v1.6.0
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[INFO] [stderr]    Compiling gio-sys v0.14.0
[INFO] [stderr]     Checking glib v0.15.5
[INFO] [stderr]     Checking cairo-rs v0.15.1
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[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/http/request.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{convert::TryFrom, fmt};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/c2239bca5b89a8d3573cc0fc0f2fa65c50edb79c/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]   --> src/http/response.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::{convert::TryFrom, fmt};
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/c2239bca5b89a8d3573cc0fc0f2fa65c50edb79c/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Inhibit` is imported redundantly
[INFO] [stdout]   --> src/webview/webkitgtk/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use glib::signal::Inhibit;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 14 | use gtk::prelude::*;
[INFO] [stdout]    |     --------------- the item `Inhibit` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/http/request.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{convert::TryFrom, fmt};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/c2239bca5b89a8d3573cc0fc0f2fa65c50edb79c/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]   --> src/http/response.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::{convert::TryFrom, fmt};
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/c2239bca5b89a8d3573cc0fc0f2fa65c50edb79c/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Inhibit` is imported redundantly
[INFO] [stdout]   --> src/webview/webkitgtk/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use glib::signal::Inhibit;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 14 | use gtk::prelude::*;
[INFO] [stdout]    |     --------------- the item `Inhibit` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `try_register_uri_scheme` is never used
[INFO] [stdout]    --> src/webview/webkitgtk/web_context.rs:116:6
[INFO] [stdout]     |
[INFO] [stdout] 96  | pub trait WebContextExt {
[INFO] [stdout]     |           ------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 116 |   fn try_register_uri_scheme<F>(&mut self, name: &str, handler: F) -> crate::Result<()>
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `try_register_uri_scheme` is never used
[INFO] [stdout]    --> src/webview/webkitgtk/web_context.rs:116:6
[INFO] [stdout]     |
[INFO] [stdout] 96  | pub trait WebContextExt {
[INFO] [stdout]     |           ------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 116 |   fn try_register_uri_scheme<F>(&mut self, name: &str, handler: F) -> crate::Result<()>
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 25s
[INFO] running `Command { std: "docker" "inspect" "8b65be333d7bb9c6c1d46d416e0bf800cc66b06044fd87b5bb69830c3b4164fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b65be333d7bb9c6c1d46d416e0bf800cc66b06044fd87b5bb69830c3b4164fe", kill_on_drop: false }`
[INFO] [stdout] 8b65be333d7bb9c6c1d46d416e0bf800cc66b06044fd87b5bb69830c3b4164fe