[INFO] fetching crate geng-core 0.6.0-alpha.0...
[INFO] checking geng-core-0.6.0-alpha.0 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate geng-core 0.6.0-alpha.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate geng-core 0.6.0-alpha.0 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate geng-core 0.6.0-alpha.0
[INFO] finished tweaking crates.io crate geng-core 0.6.0-alpha.0
[INFO] tweaked toml for crates.io crate geng-core 0.6.0-alpha.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c4ed52a428552bbeaccf32ccae02224dd13f5a6a692f2c14c9b724e57b0b378
[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" "9c4ed52a428552bbeaccf32ccae02224dd13f5a6a692f2c14c9b724e57b0b378", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c4ed52a428552bbeaccf32ccae02224dd13f5a6a692f2c14c9b724e57b0b378", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c4ed52a428552bbeaccf32ccae02224dd13f5a6a692f2c14c9b724e57b0b378", kill_on_drop: false }`
[INFO] [stdout] 9c4ed52a428552bbeaccf32ccae02224dd13f5a6a692f2c14c9b724e57b0b378
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38d87b6f8a13caa9a06012d3464a556cfcdd9f34a9cc00913071f4d96342718e
[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" "38d87b6f8a13caa9a06012d3464a556cfcdd9f34a9cc00913071f4d96342718e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
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[INFO] [stderr]     Checking jpeg-decoder v0.1.20
[INFO] [stderr]     Checking image v0.23.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling trans-derive v0.3.0-alpha.2
[INFO] [stderr]    Compiling structopt-derive v0.4.10
[INFO] [stderr]    Compiling batbox-derive v0.5.0-alpha.0
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]     Checking ugli-raw v0.5.0-alpha.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]    Compiling trans v0.3.0-alpha.2
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling structopt v0.3.17
[INFO] [stderr]     Checking rodio v0.11.0
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[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking ron v0.6.1
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]     Checking batbox v0.5.0-alpha.2
[INFO] [stderr]    Compiling num_enum_derive v0.5.1
[INFO] [stderr]    Compiling ugli-derive v0.5.0-alpha.0
[INFO] [stderr]    Compiling geng-derive v0.6.0-alpha.1
[INFO] [stderr]     Checking num_enum v0.5.1
[INFO] [stderr]     Checking ugli v0.5.0-alpha.1
[INFO] [stderr]     Checking geng-core v0.6.0-alpha.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]   --> src/asset/native.rs:58:51
[INFO] [stdout]    |
[INFO] [stdout] 58 |                     let image = image::open(path).context(path.to_owned())?;
[INFO] [stdout]    |                                                   ^^^^^^^ multiple `context` found
[INFO] [stdout]    |
[INFO] [stdout]    = note: candidate #1 is defined in an impl of the trait `failure::ResultExt` for the type `std::result::Result<T, E>`
[INFO] [stdout]    = note: candidate #2 is defined in an impl of the trait `batbox::_` for the type `std::result::Result<T, E>`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]    |
[INFO] [stdout] 58 |                     let image = failure::ResultExt::context(image::open(path), path.to_owned())?;
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]    |
[INFO] [stdout] 58 |                     let image = batbox::_::context(image::open(path), path.to_owned())?;
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]   --> src/asset/native.rs:58:51
[INFO] [stdout]    |
[INFO] [stdout] 58 |                     let image = image::open(path).context(path.to_owned())?;
[INFO] [stdout]    |                                                   ^^^^^^^ multiple `context` found
[INFO] [stdout]    |
[INFO] [stdout]    = note: candidate #1 is defined in an impl of the trait `failure::ResultExt` for the type `std::result::Result<T, E>`
[INFO] [stdout]    = note: candidate #2 is defined in an impl of the trait `batbox::_` for the type `std::result::Result<T, E>`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]    |
[INFO] [stdout] 58 |                     let image = failure::ResultExt::context(image::open(path), path.to_owned())?;
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]    |
[INFO] [stdout] 58 |                     let image = batbox::_::context(image::open(path), path.to_owned())?;
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `failure::ResultExt`
[INFO] [stdout]   --> src/asset/native.rs:57:25
[INFO] [stdout]    |
[INFO] [stdout] 57 |                     use failure::ResultExt;
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `failure::ResultExt`
[INFO] [stdout]   --> src/asset/native.rs:57:25
[INFO] [stdout]    |
[INFO] [stdout] 57 |                     use failure::ResultExt;
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0034`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0034`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `geng-core`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "38d87b6f8a13caa9a06012d3464a556cfcdd9f34a9cc00913071f4d96342718e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38d87b6f8a13caa9a06012d3464a556cfcdd9f34a9cc00913071f4d96342718e", kill_on_drop: false }`
[INFO] [stdout] 38d87b6f8a13caa9a06012d3464a556cfcdd9f34a9cc00913071f4d96342718e