[INFO] fetching crate gate_build 0.6.3...
[INFO] checking gate_build-0.6.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate gate_build 0.6.3 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate gate_build 0.6.3 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gate_build 0.6.3
[INFO] finished tweaking crates.io crate gate_build 0.6.3
[INFO] tweaked toml for crates.io crate gate_build 0.6.3 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 32 packages
[INFO] [stderr]       Adding bitflags v0.9.1 (latest: v2.5.0)
[INFO] [stderr]       Adding deflate v0.7.20 (latest: v1.0.0)
[INFO] [stderr]       Adding gif v0.9.2 (latest: v0.13.1)
[INFO] [stderr]       Adding image v0.15.0 (latest: v0.25.1)
[INFO] [stderr]       Adding inflate v0.2.0 (latest: v0.4.5)
[INFO] [stderr]       Adding jpeg-decoder v0.1.22 (latest: v0.3.1)
[INFO] [stderr]       Adding num-rational v0.1.42 (latest: v0.4.1)
[INFO] [stderr]       Adding num-traits v0.1.43 (latest: v0.2.18)
[INFO] [stderr]       Adding png v0.9.0 (latest: v0.17.13)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded image v0.15.0
[INFO] [stderr]   Downloaded png v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 04bc32f4c534b937592d6a6116fca3abc98123921a005c97ed9201b081f4ab61
[INFO] running `Command { std: "docker" "start" "-a" "04bc32f4c534b937592d6a6116fca3abc98123921a005c97ed9201b081f4ab61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04bc32f4c534b937592d6a6116fca3abc98123921a005c97ed9201b081f4ab61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04bc32f4c534b937592d6a6116fca3abc98123921a005c97ed9201b081f4ab61", kill_on_drop: false }`
[INFO] [stdout] 04bc32f4c534b937592d6a6116fca3abc98123921a005c97ed9201b081f4ab61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3cc824abe6af09574058c5d8b8373f70121c664e47c73bc17d2632295bf1f1d
[INFO] running `Command { std: "docker" "start" "-a" "f3cc824abe6af09574058c5d8b8373f70121c664e47c73bc17d2632295bf1f1d", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking inflate v0.2.0
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking gif v0.9.2
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking png v0.9.0
[INFO] [stderr]     Checking image v0.15.0
[INFO] [stderr]     Checking gate_build v0.6.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `image` is imported redundantly
[INFO] [stdout]   --> src/atlas.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 | use image::{self, RgbaImage, GenericImage};
[INFO] [stdout]    |             ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:46:1
[INFO] [stdout]    |
[INFO] [stdout] 46 | extern crate image;
[INFO] [stdout]    | ------------------- the item `image` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `image` is imported redundantly
[INFO] [stdout]   --> src/atlas.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 | use image::{self, RgbaImage, GenericImage};
[INFO] [stdout]    |             ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:46:1
[INFO] [stdout]    |
[INFO] [stdout] 46 | extern crate image;
[INFO] [stdout]    | ------------------- the item `image` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.49s
[INFO] running `Command { std: "docker" "inspect" "f3cc824abe6af09574058c5d8b8373f70121c664e47c73bc17d2632295bf1f1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3cc824abe6af09574058c5d8b8373f70121c664e47c73bc17d2632295bf1f1d", kill_on_drop: false }`
[INFO] [stdout] f3cc824abe6af09574058c5d8b8373f70121c664e47c73bc17d2632295bf1f1d
[INFO] checking gate_build-0.6.3 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate gate_build 0.6.3 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate gate_build 0.6.3 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gate_build 0.6.3
[INFO] finished tweaking crates.io crate gate_build 0.6.3
[INFO] tweaked toml for crates.io crate gate_build 0.6.3 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb7c4beeb058e24f037f9e86a03d50573d7e376d015c16495a37ab56b78fd1bd
[INFO] running `Command { std: "docker" "start" "-a" "eb7c4beeb058e24f037f9e86a03d50573d7e376d015c16495a37ab56b78fd1bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb7c4beeb058e24f037f9e86a03d50573d7e376d015c16495a37ab56b78fd1bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb7c4beeb058e24f037f9e86a03d50573d7e376d015c16495a37ab56b78fd1bd", kill_on_drop: false }`
[INFO] [stdout] eb7c4beeb058e24f037f9e86a03d50573d7e376d015c16495a37ab56b78fd1bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 261509d832eb80098819368f819a942e95f5d5eb4437f973482e045f3bfd8a70
[INFO] running `Command { std: "docker" "start" "-a" "261509d832eb80098819368f819a942e95f5d5eb4437f973482e045f3bfd8a70", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking inflate v0.2.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking gif v0.9.2
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking png v0.9.0
[INFO] [stderr]     Checking image v0.15.0
[INFO] [stderr]     Checking gate_build v0.6.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `image` is imported redundantly
[INFO] [stdout]   --> src/atlas.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 | use image::{self, RgbaImage, GenericImage};
[INFO] [stdout]    |             ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:46:1
[INFO] [stdout]    |
[INFO] [stdout] 46 | extern crate image;
[INFO] [stdout]    | ------------------- the item `image` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `image` is imported redundantly
[INFO] [stdout]   --> src/atlas.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 | use image::{self, RgbaImage, GenericImage};
[INFO] [stdout]    |             ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:46:1
[INFO] [stdout]    |
[INFO] [stdout] 46 | extern crate image;
[INFO] [stdout]    | ------------------- the item `image` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.97s
[INFO] running `Command { std: "docker" "inspect" "261509d832eb80098819368f819a942e95f5d5eb4437f973482e045f3bfd8a70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "261509d832eb80098819368f819a942e95f5d5eb4437f973482e045f3bfd8a70", kill_on_drop: false }`
[INFO] [stdout] 261509d832eb80098819368f819a942e95f5d5eb4437f973482e045f3bfd8a70