[INFO] cloning repository https://github.com/yvt/tcw3-calc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yvt/tcw3-calc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyvt%2Ftcw3-calc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyvt%2Ftcw3-calc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2d4772d51225c8172153f04eb716c12f5e001ef8
[INFO] testing yvt/tcw3-calc against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyvt%2Ftcw3-calc" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yvt/tcw3-calc on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/yvt/tcw3-calc
[INFO] finished tweaking git repo https://github.com/yvt/tcw3-calc
[INFO] tweaked toml for git repo https://github.com/yvt/tcw3-calc written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/yvt/tcw3-calc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c4b56f1446ee0db07ffaf96a5f50a01ad2ae05aefe86e75a30f52b891824c8b
[INFO] running `Command { std: "docker" "start" "-a" "3c4b56f1446ee0db07ffaf96a5f50a01ad2ae05aefe86e75a30f52b891824c8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c4b56f1446ee0db07ffaf96a5f50a01ad2ae05aefe86e75a30f52b891824c8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c4b56f1446ee0db07ffaf96a5f50a01ad2ae05aefe86e75a30f52b891824c8b", kill_on_drop: false }`
[INFO] [stdout] 3c4b56f1446ee0db07ffaf96a5f50a01ad2ae05aefe86e75a30f52b891824c8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 113409b40baae2b941082efc8f766052d1702869d3cce8eebe2b85631fcbf214
[INFO] running `Command { std: "docker" "start" "-a" "113409b40baae2b941082efc8f766052d1702869d3cce8eebe2b85631fcbf214", 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling futures-core v0.3.1
[INFO] [stderr]    Compiling futures-sink v0.3.1
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling futures-io v0.3.1
[INFO] [stderr]    Compiling futures-task v0.3.1
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling pango v0.8.0
[INFO] [stderr]    Compiling gio v0.8.0
[INFO] [stderr]    Compiling cairo-rs v0.8.0
[INFO] [stderr]    Compiling gdk-pixbuf v0.8.0
[INFO] [stderr]    Compiling codemap v0.1.2
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling cgmath v0.17.0
[INFO] [stderr]    Compiling gdk v0.12.0
[INFO] [stderr]    Compiling packed_simd v0.3.3
[INFO] [stderr]    Compiling atk v0.8.0
[INFO] [stderr]    Compiling rayon-core v1.6.1
[INFO] [stderr]    Compiling gio v0.7.0
[INFO] [stderr]    Compiling pangocairo v0.9.0
[INFO] [stderr]    Compiling pom v1.1.0
[INFO] [stderr]    Compiling gtk v0.8.0
[INFO] [stderr]    Compiling svg v0.5.12
[INFO] [stderr]    Compiling iterpool v0.1.0 (https://github.com/yvt/Stella2.git?rev=1913e5b728e902e1bc1b6c5d19045a2f02e974c9#1913e5b7)
[INFO] [stderr]    Compiling fragile v0.3.0
[INFO] [stderr]    Compiling array v0.0.1
[INFO] [stderr]    Compiling rgb v0.8.14
[INFO] [stderr]    Compiling flags-macro v0.1.3
[INFO] [stderr]    Compiling once_cell v1.2.0
[INFO] [stderr]    Compiling neo_linked_list v0.1.0 (https://github.com/yvt/Stella2.git?rev=1913e5b728e902e1bc1b6c5d19045a2f02e974c9#1913e5b7)
[INFO] [stderr]    Compiling ndarray v0.13.0
[INFO] [stderr]    Compiling quick-error2 v2.0.1
[INFO] [stderr]    Compiling embed-resource v1.3.1
[INFO] [stderr]    Compiling harmony v0.1.0 (https://github.com/yvt/Stella2.git?rev=1913e5b728e902e1bc1b6c5d19045a2f02e974c9#1913e5b7)
[INFO] [stderr]    Compiling sorted_diff v0.1.0 (https://github.com/yvt/Stella2.git?rev=1913e5b728e902e1bc1b6c5d19045a2f02e974c9#1913e5b7)
[INFO] [stderr]    Compiling as_any v0.1.0 (https://github.com/yvt/Stella2.git?rev=1913e5b728e902e1bc1b6c5d19045a2f02e974c9#1913e5b7)
[INFO] [stderr]    Compiling minisort v0.1.0 (https://github.com/yvt/Stella2.git?rev=1913e5b728e902e1bc1b6c5d19045a2f02e974c9#1913e5b7)
[INFO] [stderr]    Compiling glib-sys v0.9.1
[INFO] [stderr]    Compiling gobject-sys v0.9.1
[INFO] [stderr]    Compiling gio-sys v0.9.1
[INFO] [stderr]    Compiling cairo-sys-rs v0.9.2
[INFO] [stderr]    Compiling pango-sys v0.9.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/stella2-5e6b56320f04ce4d/1913e5b/support/neo_linked_list/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(box_into_raw_non_null)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.9.1
[INFO] [stderr]    Compiling gdk-sys v0.9.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/stella2-5e6b56320f04ce4d/1913e5b/harmony/src/lib.rs:60:1
[INFO] [stdout]    |
[INFO] [stdout] 60 | #![feature(specialization)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling atk-sys v0.9.1
[INFO] [stderr]    Compiling gtk-sys v0.9.2
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `harmony` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/stella2-5e6b56320f04ce4d/1913e5b/support/minisort/src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(slice_patterns)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `slice_patterns` has been stable since 1.42.0 and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `into_raw_non_null` found for struct `Box<_, _>` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/stella2-5e6b56320f04ce4d/1913e5b/support/neo_linked_list/src/linked_list.rs:180:28
[INFO] [stdout]     |
[INFO] [stdout] 180 |         let mut raw = Box::into_raw_non_null(self);
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^ function or associated item not found in `Box<_, _>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[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 E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "113409b40baae2b941082efc8f766052d1702869d3cce8eebe2b85631fcbf214", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "113409b40baae2b941082efc8f766052d1702869d3cce8eebe2b85631fcbf214", kill_on_drop: false }`
[INFO] [stdout] 113409b40baae2b941082efc8f766052d1702869d3cce8eebe2b85631fcbf214