[INFO] fetching crate limitation 0.1.1...
[INFO] testing limitation-0.1.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate limitation 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate limitation 0.1.1 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] started tweaking crates.io crate limitation 0.1.1
[INFO] finished tweaking crates.io crate limitation 0.1.1
[INFO] tweaked toml for crates.io crate limitation 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 2ce8dd58a5ecb7ae907f60b0b431bdf34f023f29e199cfd3cde4d4d4f8f4bcdb
[INFO] running `Command { std: "docker" "start" "-a" "2ce8dd58a5ecb7ae907f60b0b431bdf34f023f29e199cfd3cde4d4d4f8f4bcdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ce8dd58a5ecb7ae907f60b0b431bdf34f023f29e199cfd3cde4d4d4f8f4bcdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ce8dd58a5ecb7ae907f60b0b431bdf34f023f29e199cfd3cde4d4d4f8f4bcdb", kill_on_drop: false }`
[INFO] [stdout] 2ce8dd58a5ecb7ae907f60b0b431bdf34f023f29e199cfd3cde4d4d4f8f4bcdb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 4e66efde7729e27379b0120afc132a82433a4ed6b71cdcba85983435207ad032
[INFO] running `Command { std: "docker" "start" "-a" "4e66efde7729e27379b0120afc132a82433a4ed6b71cdcba85983435207ad032", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling ascii v0.9.3
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling combine v3.8.1
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio-uds v0.2.7
[INFO] [stderr]    Compiling redis v0.13.0
[INFO] [stderr]    Compiling limitation v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.31s
[INFO] running `Command { std: "docker" "inspect" "4e66efde7729e27379b0120afc132a82433a4ed6b71cdcba85983435207ad032", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e66efde7729e27379b0120afc132a82433a4ed6b71cdcba85983435207ad032", kill_on_drop: false }`
[INFO] [stdout] 4e66efde7729e27379b0120afc132a82433a4ed6b71cdcba85983435207ad032
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bcd048d755a1ed658dd1fa8c7fa504fc88f45dea5b07f599ca5a59e6ffcda3bc
[INFO] running `Command { std: "docker" "start" "-a" "bcd048d755a1ed658dd1fa8c7fa504fc88f45dea5b07f599ca5a59e6ffcda3bc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling pulldown-cmark v0.4.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling version-sync v0.8.1
[INFO] [stderr]    Compiling limitation v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]  --> tests/version-numbers.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     version_sync::assert_markdown_deps_updated!("README.md");
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]   = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]   = note: this warning originates in the macro `version_sync::assert_markdown_deps_updated` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/version-numbers.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     version_sync::assert_html_root_url_updated!("src/lib.rs");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: this warning originates in the macro `version_sync::assert_html_root_url_updated` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 23.36s
[INFO] running `Command { std: "docker" "inspect" "bcd048d755a1ed658dd1fa8c7fa504fc88f45dea5b07f599ca5a59e6ffcda3bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcd048d755a1ed658dd1fa8c7fa504fc88f45dea5b07f599ca5a59e6ffcda3bc", kill_on_drop: false }`
[INFO] [stdout] bcd048d755a1ed658dd1fa8c7fa504fc88f45dea5b07f599ca5a59e6ffcda3bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 31cbeeb548dfb236720e2f1b084a8886c0507f2c6490fbc6c1eddcd6a7c71a77
[INFO] running `Command { std: "docker" "start" "-a" "31cbeeb548dfb236720e2f1b084a8886c0507f2c6490fbc6c1eddcd6a7c71a77", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> tests/version-numbers.rs:7:5
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 7 |     version_sync::assert_markdown_deps_updated!("README.md");
[INFO] [stdout] 
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] running 2 tests
[INFO] [stderr]   = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr]   = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]   = note: this warning originates in the macro `version_sync::assert_markdown_deps_updated` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> tests/version-numbers.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     version_sync::assert_html_root_url_updated!("src/lib.rs");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]    = note: this warning originates in the macro `version_sync::assert_html_root_url_updated` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `limitation` (test "version-numbers") generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/limitation-aa4f7a4573844342)
[INFO] [stderr]      Running tests/version-numbers.rs (/opt/rustwide/target/debug/deps/version_numbers-2c83f41b7bb4f395)
[INFO] [stdout] test test_readme_deps ... ok
[INFO] [stderr]    Doc-tests limitation
[INFO] [stdout] test test_html_root_url ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 72) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 36) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.24s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "31cbeeb548dfb236720e2f1b084a8886c0507f2c6490fbc6c1eddcd6a7c71a77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31cbeeb548dfb236720e2f1b084a8886c0507f2c6490fbc6c1eddcd6a7c71a77", kill_on_drop: false }`
[INFO] [stdout] 31cbeeb548dfb236720e2f1b084a8886c0507f2c6490fbc6c1eddcd6a7c71a77