[INFO] fetching crate tabbycat 0.1.2...
[INFO] testing tabbycat-0.1.2 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate tabbycat 0.1.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate tabbycat 0.1.2 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tabbycat 0.1.2
[INFO] finished tweaking crates.io crate tabbycat 0.1.2
[INFO] tweaked toml for crates.io crate tabbycat 0.1.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded derive_builder_core v0.9.0
[INFO] [stderr]   Downloaded derive_builder v0.9.0
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a91b31ca5690b12ff6bd8654360410db5bde99c1f5c50740f69cc15c3814247f
[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" "a91b31ca5690b12ff6bd8654360410db5bde99c1f5c50740f69cc15c3814247f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a91b31ca5690b12ff6bd8654360410db5bde99c1f5c50740f69cc15c3814247f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a91b31ca5690b12ff6bd8654360410db5bde99c1f5c50740f69cc15c3814247f", kill_on_drop: false }`
[INFO] [stdout] a91b31ca5690b12ff6bd8654360410db5bde99c1f5c50740f69cc15c3814247f
[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=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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba6728ccab478b3476808a230febc699de35f2eba93bc4d008c8d3cb9e40c4ef
[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" "ba6728ccab478b3476808a230febc699de35f2eba93bc4d008c8d3cb9e40c4ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]    Compiling tabbycat v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.78s
[INFO] running `Command { std: "docker" "inspect" "ba6728ccab478b3476808a230febc699de35f2eba93bc4d008c8d3cb9e40c4ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba6728ccab478b3476808a230febc699de35f2eba93bc4d008c8d3cb9e40c4ef", kill_on_drop: false }`
[INFO] [stdout] ba6728ccab478b3476808a230febc699de35f2eba93bc4d008c8d3cb9e40c4ef
[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=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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3bcf5bf94b36bdb460d8e7fb3b251206c15e9b646712dbe9abe3a6758ef1bb9
[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" "b3bcf5bf94b36bdb460d8e7fb3b251206c15e9b646712dbe9abe3a6758ef1bb9", kill_on_drop: false }`
[INFO] [stderr]    Compiling tabbycat v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.22s
[INFO] running `Command { std: "docker" "inspect" "b3bcf5bf94b36bdb460d8e7fb3b251206c15e9b646712dbe9abe3a6758ef1bb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3bcf5bf94b36bdb460d8e7fb3b251206c15e9b646712dbe9abe3a6758ef1bb9", kill_on_drop: false }`
[INFO] [stdout] b3bcf5bf94b36bdb460d8e7fb3b251206c15e9b646712dbe9abe3a6758ef1bb9
[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=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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fccb4fcd8b75b797cb317752a7cfb6aa1f6e16d5c4382af9ac42073d38d92d5c
[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" "fccb4fcd8b75b797cb317752a7cfb6aa1f6e16d5c4382af9ac42073d38d92d5c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tabbycat-c4898f9ff69615b9
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test test::codegen_compass ... ok
[INFO] [stdout] test test::codegen_port ... ok
[INFO] [stdout] test test::codegen_subgraph ... ok
[INFO] [stdout] test test::codegen_id ... ok
[INFO] [stdout] test test::codegen_attrlist ... ok
[INFO] [stdout] test test::codegen_edge ... ok
[INFO] [stdout] test test::codegen_graph ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tabbycat
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 27) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 13) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 27) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `tabbycat::attributes`
[INFO] [stdout]  --> src/lib.rs:28:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tabbycat::attributes::*;
[INFO] [stdout]   |               ^^^^^^^^^^ could not find `attributes` in `tabbycat`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Color`
[INFO] [stdout]   --> src/lib.rs:35:89
[INFO] [stdout]    |
[INFO] [stdout] 11 |         .add_node(Identity::id("A").unwrap(), None, Some(AttrList::new().add_pair(color(Color::Red))))
[INFO] [stdout]    |                                                                                         ^^^^^ use of undeclared type `Color`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `ArrowShape`
[INFO] [stdout]   --> src/lib.rs:38:37
[INFO] [stdout]    |
[INFO] [stdout] 14 |             .add_attrpair(arrowhead(ArrowShape::Diamond)))
[INFO] [stdout]    |                                     ^^^^^^^^^^ use of undeclared type `ArrowShape`
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `color` in this scope
[INFO] [stdout]   --> src/lib.rs:35:83
[INFO] [stdout]    |
[INFO] [stdout] 11 |         .add_node(Identity::id("A").unwrap(), None, Some(AttrList::new().add_pair(color(Color::Red))))
[INFO] [stdout]    |                                                                                   ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `arrowhead` in this scope
[INFO] [stdout]   --> src/lib.rs:38:27
[INFO] [stdout]    |
[INFO] [stdout] 14 |             .add_attrpair(arrowhead(ArrowShape::Diamond)))
[INFO] [stdout]    |                           ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0432, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 13) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `tabbycat::attributes`
[INFO] [stdout]  --> src/lib.rs:14:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tabbycat::attributes::*;
[INFO] [stdout]   |               ^^^^^^^^^^ could not find `attributes` in `tabbycat`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Color`
[INFO] [stdout]   --> src/lib.rs:20:25
[INFO] [stdout]    |
[INFO] [stdout] 10 |     .add_pair(fillcolor(Color::Blue))
[INFO] [stdout]    |                         ^^^^^ use of undeclared type `Color`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `ArrowShape`
[INFO] [stdout]   --> src/lib.rs:21:25
[INFO] [stdout]    |
[INFO] [stdout] 11 |     .add_pair(arrowhead(ArrowShape::Orinv));
[INFO] [stdout]    |                         ^^^^^^^^^^ use of undeclared type `ArrowShape`
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `fontsize` in this scope
[INFO] [stdout]  --> src/lib.rs:17:15
[INFO] [stdout]   |
[INFO] [stdout] 7 |     .add_pair(fontsize(12.0))
[INFO] [stdout]   |               ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `label` in this scope
[INFO] [stdout]  --> src/lib.rs:18:15
[INFO] [stdout]   |
[INFO] [stdout] 8 |     .add_pair(label("test"))
[INFO] [stdout]   |               ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `fillcolor` in this scope
[INFO] [stdout]   --> src/lib.rs:20:15
[INFO] [stdout]    |
[INFO] [stdout] 10 |     .add_pair(fillcolor(Color::Blue))
[INFO] [stdout]    |               ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `arrowhead` in this scope
[INFO] [stdout]   --> src/lib.rs:21:15
[INFO] [stdout]    |
[INFO] [stdout] 11 |     .add_pair(arrowhead(ArrowShape::Orinv));
[INFO] [stdout]    |               ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0432, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 13)
[INFO] [stdout]     src/lib.rs - (line 27)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.44s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "fccb4fcd8b75b797cb317752a7cfb6aa1f6e16d5c4382af9ac42073d38d92d5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fccb4fcd8b75b797cb317752a7cfb6aa1f6e16d5c4382af9ac42073d38d92d5c", kill_on_drop: false }`
[INFO] [stdout] fccb4fcd8b75b797cb317752a7cfb6aa1f6e16d5c4382af9ac42073d38d92d5c