[INFO] fetching crate glyph_packer 0.0.2...
[INFO] testing glyph_packer-0.0.2 against 1.54.0 for beta-1.55-1
[INFO] extracting crate glyph_packer 0.0.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate glyph_packer 0.0.2 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5121278a035e2fd64f6e7e4febecfabd729423162c6afdf400d425814b13e091
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5121278a035e2fd64f6e7e4febecfabd729423162c6afdf400d425814b13e091", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5121278a035e2fd64f6e7e4febecfabd729423162c6afdf400d425814b13e091", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5121278a035e2fd64f6e7e4febecfabd729423162c6afdf400d425814b13e091", kill_on_drop: false }`
[INFO] [stdout] 5121278a035e2fd64f6e7e4febecfabd729423162c6afdf400d425814b13e091
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6512e51c0ba833fd271dfe7afe2a0badfaf74bfed37cb5bb9bb2ec28a550202f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6512e51c0ba833fd271dfe7afe2a0badfaf74bfed37cb5bb9bb2ec28a550202f", kill_on_drop: false }`
[INFO] [stderr]    Compiling lzw v0.9.0
[INFO] [stderr]    Compiling inflate v0.1.1
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling flate2 v0.2.20
[INFO] [stderr]    Compiling gif v0.7.0
[INFO] [stderr]    Compiling png v0.4.3
[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 9.62s
[INFO] running `Command { std: "docker" "inspect" "6512e51c0ba833fd271dfe7afe2a0badfaf74bfed37cb5bb9bb2ec28a550202f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6512e51c0ba833fd271dfe7afe2a0badfaf74bfed37cb5bb9bb2ec28a550202f", kill_on_drop: false }`
[INFO] [stdout] 6512e51c0ba833fd271dfe7afe2a0badfaf74bfed37cb5bb9bb2ec28a550202f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb96714e0c1c169af89a4b7bea9528e8ab89ca33c5704df60c015d23a3876a74
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fb96714e0c1c169af89a4b7bea9528e8ab89ca33c5704df60c015d23a3876a74", kill_on_drop: false }`
[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] error: could not compile `glyph_packer`
[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] [stderr] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[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" "fb96714e0c1c169af89a4b7bea9528e8ab89ca33c5704df60c015d23a3876a74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb96714e0c1c169af89a4b7bea9528e8ab89ca33c5704df60c015d23a3876a74", kill_on_drop: false }`
[INFO] [stdout] fb96714e0c1c169af89a4b7bea9528e8ab89ca33c5704df60c015d23a3876a74
