[INFO] cloning repository https://github.com/0x3UH4224D/teacher-hand
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0x3UH4224D/teacher-hand" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0x3UH4224D%2Fteacher-hand", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0x3UH4224D%2Fteacher-hand'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] edba4fd449f9e66be66ba4d3fd2718eb655952bd
[INFO] checking 0x3UH4224D/teacher-hand/edba4fd449f9e66be66ba4d3fd2718eb655952bd against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0x3UH4224D%2Fteacher-hand" "/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/0x3UH4224D/teacher-hand on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/0x3UH4224D/teacher-hand
[INFO] finished tweaking git repo https://github.com/0x3UH4224D/teacher-hand
[INFO] tweaked toml for git repo https://github.com/0x3UH4224D/teacher-hand written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/0x3UH4224D/teacher-hand 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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Updating git repository `https://github.com/gtk-rs/cairo`
[INFO] [stderr]     Updating git repository `https://github.com/gtk-rs/gdk`
[INFO] [stderr]     Updating git submodule `https://github.com/gtk-rs/gir.git`
[INFO] [stderr]     Updating git submodule `https://github.com/gtk-rs/gir-files.git`
[INFO] [stderr]     Updating git repository `https://github.com/gtk-rs/gio`
[INFO] [stderr]     Updating git submodule `https://github.com/gtk-rs/gir.git`
[INFO] [stderr]     Updating git submodule `https://github.com/gtk-rs/gir-files.git`
[INFO] [stderr]     Updating git repository `https://github.com/gtk-rs/glib`
[INFO] [stderr]     Updating git submodule `https://github.com/gtk-rs/gir.git`
[INFO] [stderr]     Updating git submodule `https://github.com/gtk-rs/gir-files.git`
[INFO] [stderr]     Updating git repository `https://github.com/gtk-rs/gtk`
[INFO] [stderr]     Updating git submodule `https://github.com/gtk-rs/gir.git`
[INFO] [stderr]     Updating git submodule `https://github.com/gtk-rs/gir-files.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/gtk-rs/sys`
[INFO] [stderr]     Updating git submodule `https://github.com/gtk-rs/gir`
[INFO] [stderr]     Updating git submodule `https://github.com/gtk-rs/gir-files`
[INFO] [stderr]     Updating git repository `https://github.com/gtk-rs/gdk-pixbuf`
[INFO] [stderr]     Updating git repository `https://github.com/gtk-rs/pango`
[INFO] [stderr]     Updating git submodule `https://github.com/gtk-rs/gir.git`
[INFO] [stderr]     Updating git submodule `https://github.com/gtk-rs/gir-files.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gettext-rs v0.3.0
[INFO] [stderr]   Downloaded ncollide v0.12.0
[INFO] [stderr]   Downloaded generic-array v0.2.1
[INFO] [stderr]   Downloaded phf_codegen v0.7.21
[INFO] [stderr]   Downloaded rand v0.3.16
[INFO] [stderr]   Downloaded ncollide_procedural v0.7.0
[INFO] [stderr]   Downloaded num-traits v0.1.40
[INFO] [stderr]   Downloaded c_vec v1.2.1
[INFO] [stderr]   Downloaded ncollide_pipeline v0.11.0
[INFO] [stderr]   Downloaded ncollide_transformation v0.7.0
[INFO] [stderr]   Downloaded alga v0.5.2
[INFO] [stderr]   Downloaded ncollide_geometry v0.4.0
[INFO] [stderr]   Downloaded typenum v1.9.0
[INFO] [stderr]   Downloaded nalgebra v0.12.3
[INFO] [stderr]   Downloaded libc v0.2.30
[INFO] [stderr]   Downloaded ncollide_utils v0.7.0
[INFO] [stderr]   Downloaded num-integer v0.1.35
[INFO] [stderr]   Downloaded num-rational v0.1.39
[INFO] [stderr]   Downloaded num v0.1.40
[INFO] [stderr]   Downloaded num-bigint v0.1.40
[INFO] [stderr]   Downloaded num-complex v0.1.40
[INFO] [stderr]   Downloaded magenta v0.1.1
[INFO] [stderr]   Downloaded siphasher v0.2.2
[INFO] [stderr]   Downloaded ncollide_math v0.7.0
[INFO] [stderr]   Downloaded num-iter v0.1.34
[INFO] [stderr]   Downloaded phf_generator v0.7.21
[INFO] [stderr]   Downloaded palette v0.2.1
[INFO] [stderr]   Downloaded magenta-sys v0.1.1
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07e01b1435a0d2726d499f7eaf4f4a3775ef5e27002866f10c6b6b18b69ba832
[INFO] running `Command { std: "docker" "start" "-a" "07e01b1435a0d2726d499f7eaf4f4a3775ef5e27002866f10c6b6b18b69ba832", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07e01b1435a0d2726d499f7eaf4f4a3775ef5e27002866f10c6b6b18b69ba832", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07e01b1435a0d2726d499f7eaf4f4a3775ef5e27002866f10c6b6b18b69ba832", kill_on_drop: false }`
[INFO] [stdout] 07e01b1435a0d2726d499f7eaf4f4a3775ef5e27002866f10c6b6b18b69ba832
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43d43bb2fb95c5d13ad232494133524dafdff1ff5b266ffdb43c401d9cafc2d5
[INFO] running `Command { std: "docker" "start" "-a" "43d43bb2fb95c5d13ad232494133524dafdff1ff5b266ffdb43c401d9cafc2d5", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]     Checking libc v0.2.30
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling typenum v1.9.0
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]     Checking lazy_static v0.2.8
[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]    Compiling gio v0.2.0 (https://github.com/gtk-rs/gio#ad216a24)
[INFO] [stderr]    Compiling gdk-pixbuf v0.2.0 (https://github.com/gtk-rs/gdk-pixbuf#8f787c36)
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stdout] error[E0310]: the parameter type `T` may not live long enough
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.3.24/src/serialize.rs:1155:5
[INFO] [stdout]      |
[INFO] [stdout] 1155 |     fn decode<D: Decoder>(d: &mut D) -> Result<Cow<'static, T>, D::Error> {
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |     |
[INFO] [stdout]      |     the parameter type `T` must be valid for the static lifetime...
[INFO] [stdout]      |     ...so that the type `T` will meet its required lifetime bounds...
[INFO] [stdout]      |
[INFO] [stdout] note: ...that is required by this bound
[INFO] [stdout]     --> /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/alloc/src/borrow.rs:179:30
[INFO] [stdout] help: consider adding an explicit lifetime bound
[INFO] [stdout]      |
[INFO] [stdout] 1151 | impl<'a, T: ?Sized + 'static> Decodable for Cow<'a, T>
[INFO] [stdout]      |                    +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cairo-rs v0.2.0 (https://github.com/gtk-rs/cairo#98629f96)
[INFO] [stderr]    Compiling gdk v0.6.0 (https://github.com/gtk-rs/gdk#72ecfd39)
[INFO] [stderr]     Checking rand v0.3.16
[INFO] [stderr]    Compiling glib-sys v0.4.0 (https://github.com/gtk-rs/sys#82f6aa9f)
[INFO] [stderr]    Compiling gobject-sys v0.4.0 (https://github.com/gtk-rs/sys#82f6aa9f)
[INFO] [stderr]    Compiling gio-sys v0.4.0 (https://github.com/gtk-rs/sys#82f6aa9f)
[INFO] [stderr]    Compiling cairo-sys-rs v0.4.0 (https://github.com/gtk-rs/cairo#98629f96)
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.4.0 (https://github.com/gtk-rs/sys#82f6aa9f)
[INFO] [stderr]    Compiling pango-sys v0.4.0 (https://github.com/gtk-rs/sys#82f6aa9f)
[INFO] [stderr]    Compiling gdk-sys v0.4.0 (https://github.com/gtk-rs/sys#82f6aa9f)
[INFO] [stderr]    Compiling atk-sys v0.4.0 (https://github.com/gtk-rs/sys#82f6aa9f)
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]    Compiling gtk-sys v0.4.0 (https://github.com/gtk-rs/sys#82f6aa9f)
[INFO] [stderr]     Checking c_vec v1.2.1
[INFO] [stderr]    Compiling gtk v0.2.0 (https://github.com/gtk-rs/gtk#28c4c9a5)
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]    Compiling teacher-hand v0.15.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking gettext-rs v0.3.0
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]   --> build.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use std::path::Path;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> build.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 |     if (output.status.success()) {
[INFO] [stdout]    |        ^                       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 53 -     if (output.status.success()) {
[INFO] [stdout] 53 +     if output.status.success() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking phf v0.7.21
[INFO] [stdout] warning: unused variable: `po_linguas_file`
[INFO] [stdout]   --> build.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let po_linguas_file = format!("{}/LINGUAS", po_dir);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_po_linguas_file`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]     Checking generic-array v0.2.1
[INFO] [stderr]    Compiling palette v0.2.1
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0310`.
[INFO] [stdout] 
[INFO] [stderr]     Checking glib v0.3.0 (https://github.com/gtk-rs/glib#d17431ee)
[INFO] [stderr] error: could not compile `rustc-serialize` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "43d43bb2fb95c5d13ad232494133524dafdff1ff5b266ffdb43c401d9cafc2d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43d43bb2fb95c5d13ad232494133524dafdff1ff5b266ffdb43c401d9cafc2d5", kill_on_drop: false }`
[INFO] [stdout] 43d43bb2fb95c5d13ad232494133524dafdff1ff5b266ffdb43c401d9cafc2d5