[INFO] fetching crate flo_canvas 0.3.1...
[INFO] checking flo_canvas-0.3.1 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate flo_canvas 0.3.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate flo_canvas 0.3.1
[INFO] finished tweaking crates.io crate flo_canvas 0.3.1
[INFO] tweaked toml for crates.io crate flo_canvas 0.3.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate flo_canvas 0.3.1 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 94 packages to latest compatible versions
[INFO] [stderr]       Adding allsorts v0.5.1 (available: v0.15.1)
[INFO] [stderr]       Adding desync v0.7.2 (available: v0.9.0)
[INFO] [stderr]       Adding flo_curves v0.6.1 (available: v0.8.0)
[INFO] [stderr]       Adding flo_stream v0.6.0 (available: v0.7.0)
[INFO] [stderr]       Adding image v0.23.14 (available: v0.25.6)
[INFO] [stderr]       Adding itertools v0.10.5 (available: v0.14.0)
[INFO] [stderr]       Adding ttf-parser v0.12.3 (available: v0.25.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90733c349c76830f05fcf64b92b505293983fe9f83bf24ad3b0fc6e1325d85e8
[INFO] running `Command { std: "docker" "start" "-a" "90733c349c76830f05fcf64b92b505293983fe9f83bf24ad3b0fc6e1325d85e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90733c349c76830f05fcf64b92b505293983fe9f83bf24ad3b0fc6e1325d85e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90733c349c76830f05fcf64b92b505293983fe9f83bf24ad3b0fc6e1325d85e8", kill_on_drop: false }`
[INFO] [stdout] 90733c349c76830f05fcf64b92b505293983fe9f83bf24ad3b0fc6e1325d85e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 362bae359844c1350e072e082a3d9a5228c41264585cc8e229b95341b12d2ecb
[INFO] running `Command { std: "docker" "start" "-a" "362bae359844c1350e072e082a3d9a5228c41264585cc8e229b95341b12d2ecb", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]     Checking pin-project-lite v0.2.16
[INFO] [stderr]     Checking slab v0.4.10
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]     Checking roots v0.0.7
[INFO] [stderr]     Checking rust-hsluv v0.1.4
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking flo_curves v0.6.1
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking flo_stream v0.6.0
[INFO] [stderr]     Checking desync v0.7.2
[INFO] [stderr]     Checking flo_canvas v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.25s
[INFO] running `Command { std: "docker" "inspect" "362bae359844c1350e072e082a3d9a5228c41264585cc8e229b95341b12d2ecb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "362bae359844c1350e072e082a3d9a5228c41264585cc8e229b95341b12d2ecb", kill_on_drop: false }`
[INFO] [stdout] 362bae359844c1350e072e082a3d9a5228c41264585cc8e229b95341b12d2ecb