[INFO] fetching crate glyph_packer 0.0.2...
[INFO] testing glyph_packer-0.0.2 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate glyph_packer 0.0.2 into /workspace/builds/worker-79/source
[INFO] validating manifest of crates.io crate glyph_packer 0.0.2 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate glyph_packer 0.0.2
[INFO] finished tweaking crates.io crate glyph_packer 0.0.2
[INFO] tweaked toml for crates.io crate glyph_packer 0.0.2 written to /workspace/builds/worker-79/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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 image v0.6.1
[INFO] [stderr]   Downloaded gif v0.7.0
[INFO] [stderr]   Downloaded enum_primitive v0.1.1
[INFO] [stderr]   Downloaded byteorder v0.4.2
[INFO] [stderr]   Downloaded lzw v0.9.0
[INFO] [stderr]   Downloaded miniz-sys v0.1.12
[INFO] [stderr]   Downloaded flate2 v0.2.20
[INFO] [stderr]   Downloaded inflate v0.1.1
[INFO] [stderr]   Downloaded png v0.4.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34ba8fab829a02d1efdd7330102ecbc6fea57e3e696f068059f41481a164cac3
[INFO] running `Command { std: "docker" "start" "-a" "34ba8fab829a02d1efdd7330102ecbc6fea57e3e696f068059f41481a164cac3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34ba8fab829a02d1efdd7330102ecbc6fea57e3e696f068059f41481a164cac3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34ba8fab829a02d1efdd7330102ecbc6fea57e3e696f068059f41481a164cac3", kill_on_drop: false }`
[INFO] [stdout] 34ba8fab829a02d1efdd7330102ecbc6fea57e3e696f068059f41481a164cac3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0fc884b9f2566df3e21824dbb93971916f645a5121874b8132f32469861288ae
[INFO] running `Command { std: "docker" "start" "-a" "0fc884b9f2566df3e21824dbb93971916f645a5121874b8132f32469861288ae", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling bitflags v0.3.3
[INFO] [stderr]    Compiling inflate v0.1.1
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling lzw v0.9.0
[INFO] [stderr]    Compiling byteorder v0.4.2
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling gif v0.7.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling flate2 v0.2.20
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling png v0.4.3
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling image v0.6.1
[INFO] [stderr]    Compiling glyph_packer v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/buffer2d.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |         replace(self, new_buff);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.45s
[INFO] running `Command { std: "docker" "inspect" "0fc884b9f2566df3e21824dbb93971916f645a5121874b8132f32469861288ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fc884b9f2566df3e21824dbb93971916f645a5121874b8132f32469861288ae", kill_on_drop: false }`
[INFO] [stdout] 0fc884b9f2566df3e21824dbb93971916f645a5121874b8132f32469861288ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51241ad03a9d4c06a427ba0ac55d6cdedb2f53f6031bc00f2f5dd766f194174a
[INFO] running `Command { std: "docker" "start" "-a" "51241ad03a9d4c06a427ba0ac55d6cdedb2f53f6031bc00f2f5dd766f194174a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling glyph_packer v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/buffer2d.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |         replace(self, new_buff);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `texture_packer`
[INFO] [stdout]  --> examples/packer-test.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate texture_packer;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `glyph_packer` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/buffer2d.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |         replace(self, new_buff);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "51241ad03a9d4c06a427ba0ac55d6cdedb2f53f6031bc00f2f5dd766f194174a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51241ad03a9d4c06a427ba0ac55d6cdedb2f53f6031bc00f2f5dd766f194174a", kill_on_drop: false }`
[INFO] [stdout] 51241ad03a9d4c06a427ba0ac55d6cdedb2f53f6031bc00f2f5dd766f194174a