[INFO] cloning repository https://github.com/younata/mdbook-api
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/younata/mdbook-api" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyounata%2Fmdbook-api", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyounata%2Fmdbook-api'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3c9a0e6dfbab4f32a88b50225e3e78318d18ae9b
[INFO] testing younata/mdbook-api against 1.63.0 for beta-1.64-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyounata%2Fmdbook-api" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/younata/mdbook-api on toolchain 1.63.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.63.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/younata/mdbook-api
[INFO] finished tweaking git repo https://github.com/younata/mdbook-api
[INFO] tweaked toml for git repo https://github.com/younata/mdbook-api written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/younata/mdbook-api already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.63.0" "fetch" "--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 serde v1.0.127
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[INFO] [stderr]   Downloaded mdbook v0.4.12
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[INFO] [stderr]   Downloaded sha-1 v0.9.7
[INFO] [stderr]   Downloaded tokio v1.9.0
[INFO] [stderr]   Downloaded miniz_oxide v0.4.4
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[INFO] [stderr]   Downloaded open v1.7.1
[INFO] [stderr]   Downloaded tempfile v3.2.0
[INFO] [stderr]   Downloaded http v0.2.4
[INFO] [stderr]   Downloaded tower-service v0.3.1
[INFO] [stderr]   Downloaded itoa v0.4.7
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[INFO] [stderr]   Downloaded serde_derive v1.0.127
[INFO] [stderr]   Downloaded serde_json v1.0.66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5693cb12a0e09306f267e95f08ef9d40d3ecd28d3eccac8fc6948c6a5ebda106
[INFO] running `Command { std: "docker" "start" "-a" "5693cb12a0e09306f267e95f08ef9d40d3ecd28d3eccac8fc6948c6a5ebda106", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5693cb12a0e09306f267e95f08ef9d40d3ecd28d3eccac8fc6948c6a5ebda106", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5693cb12a0e09306f267e95f08ef9d40d3ecd28d3eccac8fc6948c6a5ebda106", kill_on_drop: false }`
[INFO] [stdout] 5693cb12a0e09306f267e95f08ef9d40d3ecd28d3eccac8fc6948c6a5ebda106
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c669d7cfe9f0e538c9b266f6b48517838df2c4d0f1175d6f58dc38514bdd325a
[INFO] running `Command { std: "docker" "start" "-a" "c669d7cfe9f0e538c9b266f6b48517838df2c4d0f1175d6f58dc38514bdd325a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling siphasher v0.3.6
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling futures-sink v0.3.16
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling cpufeatures v0.1.5
[INFO] [stderr]    Compiling hashbrown v0.11.2
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[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling cc v1.0.69
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[INFO] [stderr]    Compiling futures-io v0.3.16
[INFO] [stderr]    Compiling gimli v0.25.0
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling httpdate v1.0.1
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling strum v0.21.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.20
[INFO] [stderr]    Compiling quick-error v2.0.1
[INFO] [stderr]    Compiling vec_map v0.8.2
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[INFO] [stderr]    Compiling futures-macro v0.3.16
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[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling tracing-core v0.1.18
[INFO] [stderr]    Compiling phf_shared v0.8.0
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[INFO] [stderr]    Compiling phf v0.8.0
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[INFO] [stderr]    Compiling pest_meta v2.1.3
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[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling want v0.3.0
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[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling socket2 v0.4.1
[INFO] [stderr]    Compiling filetime v0.2.14
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling rand_core v0.5.1
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[INFO] [stderr]    Compiling rand_core v0.6.3
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[INFO] [stderr]    Compiling clap v2.33.3
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[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling sha-1 v0.9.7
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling headers v0.3.4
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling notify v4.0.17
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]    Compiling tungstenite v0.12.0
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling markup5ever v0.10.1
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling html5ever v0.25.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling futures v0.3.16
[INFO] [stderr]    Compiling tokio-util v0.6.7
[INFO] [stderr]    Compiling tokio-stream v0.1.7
[INFO] [stderr]    Compiling h2 v0.3.3
[INFO] [stderr]    Compiling pin-project v1.0.8
[INFO] [stderr]    Compiling tokio-tungstenite v0.13.0
[INFO] [stderr]    Compiling hyper v0.14.11
[INFO] [stderr]    Compiling string_cache v0.8.1
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling handlebars v4.1.1
[INFO] [stderr]    Compiling elasticlunr-rs v2.3.13
[INFO] [stderr]    Compiling xml5ever v0.16.1
[INFO] [stderr]    Compiling markup5ever_rcdom v0.1.0
[INFO] [stderr]    Compiling ammonia v3.1.2
[INFO] [stderr]    Compiling warp v0.3.1
[INFO] [stderr]    Compiling mdbook v0.4.12
[INFO] [stderr]    Compiling mdbook-api v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 11s
[INFO] running `Command { std: "docker" "inspect" "c669d7cfe9f0e538c9b266f6b48517838df2c4d0f1175d6f58dc38514bdd325a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c669d7cfe9f0e538c9b266f6b48517838df2c4d0f1175d6f58dc38514bdd325a", kill_on_drop: false }`
[INFO] [stdout] c669d7cfe9f0e538c9b266f6b48517838df2c4d0f1175d6f58dc38514bdd325a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 527593b1486dfd261d8d22278f6897e326b267bc73aeb412045a61b364c2e7a4
[INFO] running `Command { std: "docker" "start" "-a" "527593b1486dfd261d8d22278f6897e326b267bc73aeb412045a61b364c2e7a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling mdbook-api v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `SyncFailure`
[INFO] [stdout]  --> tests/cli.rs:6:22
[INFO] [stdout]   |
[INFO] [stdout] 6 | use failure::{Error, SyncFailure};
[INFO] [stdout]   |                      ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stdout]   --> tests/cli.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 | use serde::{Serialize, Deserialize};
[INFO] [stdout]    |             ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.49s
[INFO] running `Command { std: "docker" "inspect" "527593b1486dfd261d8d22278f6897e326b267bc73aeb412045a61b364c2e7a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "527593b1486dfd261d8d22278f6897e326b267bc73aeb412045a61b364c2e7a4", kill_on_drop: false }`
[INFO] [stdout] 527593b1486dfd261d8d22278f6897e326b267bc73aeb412045a61b364c2e7a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 84dc529967ef0e87b02d0982f0051c31ac98334d8fb4c268cc3a6fd84628e9d4
[INFO] running `Command { std: "docker" "start" "-a" "84dc529967ef0e87b02d0982f0051c31ac98334d8fb4c268cc3a6fd84628e9d4", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `SyncFailure`
[INFO] [stderr]  --> tests/cli.rs:6:22
[INFO] [stderr]   |
[INFO] [stderr] 6 | use failure::{Error, SyncFailure};
[INFO] [stderr]   |                      ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stderr]   --> tests/cli.rs:10:13
[INFO] [stderr]    |
[INFO] [stderr] 10 | use serde::{Serialize, Deserialize};
[INFO] [stderr]    |             ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `mdbook-api` (test "cli") generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mdbook_api-c4117ecb25c67dcf)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/mdbook-api.rs (/opt/rustwide/target/debug/deps/mdbook_api-b3ba27dded10e328)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/cli.rs (/opt/rustwide/target/debug/deps/cli-0b56aa31556b81f8)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test book_contents ... ok
[INFO] [stdout] test book_json ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mdbook-api
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "84dc529967ef0e87b02d0982f0051c31ac98334d8fb4c268cc3a6fd84628e9d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84dc529967ef0e87b02d0982f0051c31ac98334d8fb4c268cc3a6fd84628e9d4", kill_on_drop: false }`
[INFO] [stdout] 84dc529967ef0e87b02d0982f0051c31ac98334d8fb4c268cc3a6fd84628e9d4