[INFO] fetching crate mtots 0.1.2...
[INFO] checking mtots-0.1.2 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate mtots 0.1.2 into /workspace/builds/worker-53/source
[INFO] validating manifest of crates.io crate mtots 0.1.2 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mtots 0.1.2
[INFO] finished tweaking crates.io crate mtots 0.1.2
[INFO] tweaked toml for crates.io crate mtots 0.1.2 written to /workspace/builds/worker-53/source/Cargo.toml
[INFO] crate crates.io crate mtots 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded glyph_brush v0.6.3
[INFO] [stderr]   Downloaded glyph_brush_layout v0.1.9
[INFO] [stderr]   Downloaded twox-hash v1.5.0
[INFO] [stderr]   Downloaded io-kit-sys v0.1.0
[INFO] [stderr]   Downloaded gilrs-core v0.2.6
[INFO] [stderr]   Downloaded glutin_gles2_sys v0.1.4
[INFO] [stderr]   Downloaded glutin_glx_sys v0.1.6
[INFO] [stderr]   Downloaded mint v0.5.5
[INFO] [stderr]   Downloaded gilrs v0.7.4
[INFO] [stderr]   Downloaded glutin_wgl_sys v0.1.4
[INFO] [stderr]   Downloaded xi-unicode v0.2.1
[INFO] [stderr]   Downloaded libloading v0.6.2
[INFO] [stderr]   Downloaded rusty-xinput v1.2.0
[INFO] [stderr]   Downloaded cocoa v0.18.5
[INFO] [stderr]   Downloaded rodio v0.9.0
[INFO] [stderr]   Downloaded glyph_brush v0.5.4
[INFO] [stderr]   Downloaded gfx_window_glutin v0.30.0
[INFO] [stderr]   Downloaded glutin v0.20.1
[INFO] [stderr]   Downloaded lyon_algorithms v0.13.4
[INFO] [stderr]   Downloaded lyon v0.13.5
[INFO] [stderr]   Downloaded glutin_egl_sys v0.1.4
[INFO] [stderr]   Downloaded smart-default v0.5.2
[INFO] [stderr]   Downloaded ggez v0.5.1
[INFO] [stderr]   Downloaded winit v0.19.5
[INFO] [stderr]   Downloaded lyon_path v0.13.2
[INFO] [stderr]   Downloaded sid v0.5.2
[INFO] [stderr]   Downloaded lyon_tessellation v0.13.5
[INFO] [stderr]   Downloaded mtots_core v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6fbfe84e738349a0964cde5568a3452e6d0cb441336f66a3b2216375db140292
[INFO] running `Command { std: "docker" "start" "-a" "6fbfe84e738349a0964cde5568a3452e6d0cb441336f66a3b2216375db140292", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fbfe84e738349a0964cde5568a3452e6d0cb441336f66a3b2216375db140292", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fbfe84e738349a0964cde5568a3452e6d0cb441336f66a3b2216375db140292", kill_on_drop: false }`
[INFO] [stdout] 6fbfe84e738349a0964cde5568a3452e6d0cb441336f66a3b2216375db140292
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e40d4cdaa09d2a7d72b96fbc5511994471ae2fc4d82aa67a15b8c13b04620e0
[INFO] running `Command { std: "docker" "start" "-a" "6e40d4cdaa09d2a7d72b96fbc5511994471ae2fc4d82aa67a15b8c13b04620e0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling libloading v0.6.2
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling gimli v0.22.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling object v0.20.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking xi-unicode v0.2.1
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling bytecount v0.4.0
[INFO] [stderr]     Checking mint v0.5.5
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking podio v0.1.7
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking claxon v0.4.2
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]     Checking xref v0.1.1
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking bytemuck v1.3.1
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking draw_state v0.8.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_pcg v0.1.2
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking gfx_core v0.9.2
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]     Checking wayland-sys v0.21.13
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking ogg v0.7.0
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking tiff v0.5.0
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking lewton v0.9.4
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]     Checking png v0.16.7
[INFO] [stderr]     Checking png v0.15.3
[INFO] [stderr] error: could not compile `serde`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.110/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=7bb88f3308efcc97 -C extra-filename=-7bb88f3308efcc97 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid --cfg ops_bound --cfg core_reverse --cfg de_boxed_c_str --cfg de_boxed_path --cfg de_rc_dst --cfg core_duration --cfg integer128 --cfg range_inclusive --cfg num_nonzero --cfg core_try_from --cfg num_nonzero_signed --cfg std_atomic64 --cfg std_atomic` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "6e40d4cdaa09d2a7d72b96fbc5511994471ae2fc4d82aa67a15b8c13b04620e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e40d4cdaa09d2a7d72b96fbc5511994471ae2fc4d82aa67a15b8c13b04620e0", kill_on_drop: false }`
[INFO] [stdout] 6e40d4cdaa09d2a7d72b96fbc5511994471ae2fc4d82aa67a15b8c13b04620e0