[INFO] fetching crate err-context 0.1.0...
[INFO] testing err-context-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate err-context 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate err-context 0.1.0
[INFO] finished tweaking crates.io crate err-context 0.1.0
[INFO] tweaked toml for crates.io crate err-context 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate err-context 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 43 packages to latest compatible versions
[INFO] [stderr]       Adding version-sync v0.8.1 (available: v0.9.5)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition
[INFO] [stderr] (in the `failure` dependency)
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicase v2.8.1
[INFO] [stderr]   Downloaded version-sync v0.8.1
[INFO] [stderr]   Downloaded toml v0.5.11
[INFO] [stderr]   Downloaded semver-parser v0.9.0
[INFO] [stderr]   Downloaded failure v0.1.8
[INFO] [stderr]   Downloaded itertools v0.8.2
[INFO] [stderr]   Downloaded pulldown-cmark v0.4.1
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 752004ed76e77ff2566469730b1f7d8dd647c97dd06c0bcaa3cf051265f461f9
[INFO] running `Command { std: "docker" "start" "-a" "752004ed76e77ff2566469730b1f7d8dd647c97dd06c0bcaa3cf051265f461f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "752004ed76e77ff2566469730b1f7d8dd647c97dd06c0bcaa3cf051265f461f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "752004ed76e77ff2566469730b1f7d8dd647c97dd06c0bcaa3cf051265f461f9", kill_on_drop: false }`
[INFO] [stdout] 752004ed76e77ff2566469730b1f7d8dd647c97dd06c0bcaa3cf051265f461f9
[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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6dbfa84db3647fafee7b1bc3616a231127aee85556bdfeb9c0d51152968ce5e7
[INFO] running `Command { std: "docker" "start" "-a" "6dbfa84db3647fafee7b1bc3616a231127aee85556bdfeb9c0d51152968ce5e7", kill_on_drop: false }`
[INFO] [stderr] warning: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition
[INFO] [stderr] (in the `failure` dependency)
[INFO] [stderr]    Compiling err-context v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "6dbfa84db3647fafee7b1bc3616a231127aee85556bdfeb9c0d51152968ce5e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dbfa84db3647fafee7b1bc3616a231127aee85556bdfeb9c0d51152968ce5e7", kill_on_drop: false }`
[INFO] [stdout] 6dbfa84db3647fafee7b1bc3616a231127aee85556bdfeb9c0d51152968ce5e7
[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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 465ca3a65924694ab1a1cc125bf110093b3f8b569ade0f9db9d5ee33bc7b1c3e
[INFO] running `Command { std: "docker" "start" "-a" "465ca3a65924694ab1a1cc125bf110093b3f8b569ade0f9db9d5ee33bc7b1c3e", kill_on_drop: false }`
[INFO] [stderr] warning: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition
[INFO] [stderr] (in the `failure` dependency)
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.18
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling tinyvec v1.10.0
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling matches v0.1.10
[INFO] [stderr]    Compiling pulldown-cmark v0.4.1
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.24
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling unicase v2.8.1
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling semver-parser v0.9.0
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling version-sync v0.8.1
[INFO] [stderr]    Compiling err-context v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 32.11s
[INFO] running `Command { std: "docker" "inspect" "465ca3a65924694ab1a1cc125bf110093b3f8b569ade0f9db9d5ee33bc7b1c3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "465ca3a65924694ab1a1cc125bf110093b3f8b569ade0f9db9d5ee33bc7b1c3e", kill_on_drop: false }`
[INFO] [stdout] 465ca3a65924694ab1a1cc125bf110093b3f8b569ade0f9db9d5ee33bc7b1c3e
[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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 69973a79f3d87b84958933897593df7317b6327b8e0f435b8d7a386bf56854c2
[INFO] running `Command { std: "docker" "start" "-a" "69973a79f3d87b84958933897593df7317b6327b8e0f435b8d7a386bf56854c2", kill_on_drop: false }`
[INFO] [stderr] warning: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition
[INFO] [stderr] (in the `failure` dependency)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/err_context-71a3f11bad1f7095)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::find_dummy ... ok
[INFO] [stdout] test tests::iter_chain ... ok
[INFO] [stderr]      Running tests/version.rs (/opt/rustwide/target/debug/deps/version-e2a9513610953612)
[INFO] [stdout] test tests::display_chain ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_readme_deps ... ok
[INFO] [stdout] test test_html_root_url ... ok
[INFO] [stderr]    Doc-tests err_context
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - (line 131) ... ok
[INFO] [stdout] test src/lib.rs - (line 144) ... ok
[INFO] [stdout] test src/lib.rs - (line 107) ... ok
[INFO] [stdout] test src/lib.rs - (line 117) ... ok
[INFO] [stdout] test src/lib.rs - prelude (line 539) ... ok
[INFO] [stdout] test src/lib.rs - (line 50) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.66s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "69973a79f3d87b84958933897593df7317b6327b8e0f435b8d7a386bf56854c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69973a79f3d87b84958933897593df7317b6327b8e0f435b8d7a386bf56854c2", kill_on_drop: false }`
[INFO] [stdout] 69973a79f3d87b84958933897593df7317b6327b8e0f435b8d7a386bf56854c2