[INFO] fetching crate pel 0.1.0...
[INFO] checking pel-0.1.0 against master#c2239bca5b89a8d3573cc0fc0f2fa65c50edb79c for pr-123737
[INFO] extracting crate pel 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate pel 0.1.0 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] started tweaking crates.io crate pel 0.1.0
[INFO] finished tweaking crates.io crate pel 0.1.0
[INFO] tweaked toml for crates.io crate pel 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate pel 0.1.0 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]  Downloading crates ...
[INFO] [stderr]   Downloaded dlib v0.4.1
[INFO] [stderr]   Downloaded glutin v0.22.0
[INFO] [stderr]   Downloaded instant v0.1.2
[INFO] [stderr]   Downloaded pkg-config v0.3.17
[INFO] [stderr]   Downloaded glutin_egl_sys v0.1.4
[INFO] [stderr]   Downloaded glutin_wgl_sys v0.1.3
[INFO] [stderr]   Downloaded glutin_emscripten_sys v0.1.0
[INFO] [stderr]   Downloaded glutin_glx_sys v0.1.5
[INFO] [stderr]   Downloaded glutin_gles2_sys v0.1.3
[INFO] [stderr]   Downloaded semver-parser v0.7.0
[INFO] [stderr]   Downloaded semver v0.9.0
[INFO] [stderr]   Downloaded libloading v0.5.2
[INFO] [stderr]   Downloaded dispatch v0.1.4
[INFO] [stderr]   Downloaded byteorder v1.3.2
[INFO] [stderr]   Downloaded smallvec v1.1.0
[INFO] [stderr]   Downloaded core-video-sys v0.1.3
[INFO] [stderr]   Downloaded gl_generator v0.11.0
[INFO] [stderr]   Downloaded smallvec v0.6.13
[INFO] [stderr]   Downloaded parking_lot_core v0.6.2
[INFO] [stderr]   Downloaded redox_syscall v0.1.56
[INFO] [stderr]   Downloaded parking_lot v0.9.0
[INFO] [stderr]   Downloaded parking_lot v0.10.0
[INFO] [stderr]   Downloaded cc v1.0.50
[INFO] [stderr]   Downloaded num-traits v0.2.11
[INFO] [stderr]   Downloaded x11-dl v2.18.4
[INFO] [stderr]   Downloaded rusttype v0.8.2
[INFO] [stderr]   Downloaded smithay-client-toolkit v0.6.4
[INFO] [stderr]   Downloaded parking_lot_core v0.7.0
[INFO] [stderr]   Downloaded rustc_version v0.2.3
[INFO] [stderr]   Downloaded mio v0.6.21
[INFO] [stderr]   Downloaded ordered-float v1.0.2
[INFO] [stderr]   Downloaded log v0.4.8
[INFO] [stderr]   Downloaded scopeguard v1.0.0
[INFO] [stderr]   Downloaded winapi-util v0.1.3
[INFO] [stderr]   Downloaded downcast-rs v1.1.1
[INFO] [stderr]   Downloaded net2 v0.2.33
[INFO] [stderr]   Downloaded lock_api v0.3.3
[INFO] [stderr]   Downloaded winit v0.20.0
[INFO] [stderr]   Downloaded libc v0.2.66
[INFO] [stderr]   Downloaded ogl33 v0.2.0
[INFO] [stderr]   Downloaded winapi v0.3.8
[INFO] [stderr]   Downloaded xml-rs v0.8.0
[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" "+c2239bca5b89a8d3573cc0fc0f2fa65c50edb79c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35cc9ce8f90a52dbb7941062cff262e4d95d9e30048ad48c5cdeac1cc22b2c86
[INFO] running `Command { std: "docker" "start" "-a" "35cc9ce8f90a52dbb7941062cff262e4d95d9e30048ad48c5cdeac1cc22b2c86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35cc9ce8f90a52dbb7941062cff262e4d95d9e30048ad48c5cdeac1cc22b2c86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35cc9ce8f90a52dbb7941062cff262e4d95d9e30048ad48c5cdeac1cc22b2c86", kill_on_drop: false }`
[INFO] [stdout] 35cc9ce8f90a52dbb7941062cff262e4d95d9e30048ad48c5cdeac1cc22b2c86
[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" "+c2239bca5b89a8d3573cc0fc0f2fa65c50edb79c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9cc77034f489239477acf41297f96e3a71c13c844049adcf00fc8a7f46b05d4
[INFO] running `Command { std: "docker" "start" "-a" "d9cc77034f489239477acf41297f96e3a71c13c844049adcf00fc8a7f46b05d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking downcast-rs v1.1.1
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]     Checking smallvec v1.1.0
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking instant v0.1.2
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling x11-dl v2.18.4
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]    Compiling gl_generator v0.11.0
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking ogl33 v0.2.0
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]     Checking rusttype v0.8.2
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.5
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.4
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking wayland-sys v0.23.6
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]    Compiling wayland-client v0.23.6
[INFO] [stderr]    Compiling wayland-protocols v0.23.6
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking wayland-commons v0.23.6
[INFO] [stderr]     Checking calloop v0.4.4
[INFO] [stderr]     Checking smithay-client-toolkit v0.6.4
[INFO] [stderr]     Checking winit v0.20.0
[INFO] [stderr]     Checking glutin v0.22.0
[INFO] [stderr]     Checking pel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/gpu/texture.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |         mem::replace(&mut self.inner, Surface::new(w, h));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let _ = mem::replace(&mut self.inner, Surface::new(w, h));
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/gpu/texture.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |         mem::replace(&mut self.inner, Surface::new(w, h));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let _ = mem::replace(&mut self.inner, Surface::new(w, h));
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.94s
[INFO] running `Command { std: "docker" "inspect" "d9cc77034f489239477acf41297f96e3a71c13c844049adcf00fc8a7f46b05d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9cc77034f489239477acf41297f96e3a71c13c844049adcf00fc8a7f46b05d4", kill_on_drop: false }`
[INFO] [stdout] d9cc77034f489239477acf41297f96e3a71c13c844049adcf00fc8a7f46b05d4