[INFO] cloning repository https://github.com/tuxagon/gutenberg-book_parser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tuxagon/gutenberg-book_parser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuxagon%2Fgutenberg-book_parser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuxagon%2Fgutenberg-book_parser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5f40dae89d0c9fa984d06ae79c1d588d596bddb0
[INFO] testing tuxagon/gutenberg-book_parser against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuxagon%2Fgutenberg-book_parser" "/workspace/builds/worker-22/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-22/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tuxagon/gutenberg-book_parser on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tuxagon/gutenberg-book_parser
[INFO] finished tweaking git repo https://github.com/tuxagon/gutenberg-book_parser
[INFO] tweaked toml for git repo https://github.com/tuxagon/gutenberg-book_parser written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] crate git repo https://github.com/tuxagon/gutenberg-book_parser already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc958e377e0b6ad9f11a8806270960284066946b60f57d75cb9004441449c0dd
[INFO] running `Command { std: "docker" "start" "-a" "cc958e377e0b6ad9f11a8806270960284066946b60f57d75cb9004441449c0dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc958e377e0b6ad9f11a8806270960284066946b60f57d75cb9004441449c0dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc958e377e0b6ad9f11a8806270960284066946b60f57d75cb9004441449c0dd", kill_on_drop: false }`
[INFO] [stdout] cc958e377e0b6ad9f11a8806270960284066946b60f57d75cb9004441449c0dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ffd63f4570d301bf106f174ac96c5829ae9b210154171ddba39509a739cddc8b
[INFO] running `Command { std: "docker" "start" "-a" "ffd63f4570d301bf106f174ac96c5829ae9b210154171ddba39509a739cddc8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling openssl v0.10.35
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling futures-sink v0.3.16
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling openssl-probe v0.1.4
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling ipnet v2.3.1
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]    Compiling openssl-sys v0.9.65
[INFO] [stderr]    Compiling instant v0.1.10
[INFO] [stderr]    Compiling tinyvec v1.3.1
[INFO] [stderr]    Compiling http-body v0.4.3
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling socket2 v0.4.1
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling tokio-util v0.6.7
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling h2 v0.3.3
[INFO] [stderr]    Compiling hyper v0.14.11
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.4
[INFO] [stderr]    Compiling src-experiment v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `Chapter`
[INFO] [stdout]   --> main.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct Chapter {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `chapters`
[INFO] [stdout]   --> main.rs:48:10
[INFO] [stdout]    |
[INFO] [stdout] 48 |   pub fn chapters(&self) -> Vec<Chapter> {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.83s
[INFO] running `Command { std: "docker" "inspect" "ffd63f4570d301bf106f174ac96c5829ae9b210154171ddba39509a739cddc8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffd63f4570d301bf106f174ac96c5829ae9b210154171ddba39509a739cddc8b", kill_on_drop: false }`
[INFO] [stdout] ffd63f4570d301bf106f174ac96c5829ae9b210154171ddba39509a739cddc8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02a9e74b4cb38323a9730f2f39120040b0a067f46d929ee0c27934015fd5ed3e
[INFO] running `Command { std: "docker" "start" "-a" "02a9e74b4cb38323a9730f2f39120040b0a067f46d929ee0c27934015fd5ed3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling src-experiment v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `Chapter`
[INFO] [stdout]   --> main.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct Chapter {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `chapters`
[INFO] [stdout]   --> main.rs:48:10
[INFO] [stdout]    |
[INFO] [stdout] 48 |   pub fn chapters(&self) -> Vec<Chapter> {
[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 0.62s
[INFO] running `Command { std: "docker" "inspect" "02a9e74b4cb38323a9730f2f39120040b0a067f46d929ee0c27934015fd5ed3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02a9e74b4cb38323a9730f2f39120040b0a067f46d929ee0c27934015fd5ed3e", kill_on_drop: false }`
[INFO] [stdout] 02a9e74b4cb38323a9730f2f39120040b0a067f46d929ee0c27934015fd5ed3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9a27cb1d38e8a3aa075e8d7c70ac431dd8c9a7422aedcf98638fd3dc42226a90
[INFO] running `Command { std: "docker" "start" "-a" "9a27cb1d38e8a3aa075e8d7c70ac431dd8c9a7422aedcf98638fd3dc42226a90", kill_on_drop: false }`
[INFO] [stderr] warning: struct is never constructed: `Chapter`
[INFO] [stderr]   --> main.rs:18:8
[INFO] [stderr]    |
[INFO] [stderr] 18 | struct Chapter {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `chapters`
[INFO] [stderr]   --> main.rs:48:10
[INFO] [stderr]    |
[INFO] [stderr] 48 |   pub fn chapters(&self) -> Vec<Chapter> {
[INFO] [stderr]    |          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `src-experiment` (bin "src-experiment" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/src_experiment-68d71047dc627f8e)
[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" "9a27cb1d38e8a3aa075e8d7c70ac431dd8c9a7422aedcf98638fd3dc42226a90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a27cb1d38e8a3aa075e8d7c70ac431dd8c9a7422aedcf98638fd3dc42226a90", kill_on_drop: false }`
[INFO] [stdout] 9a27cb1d38e8a3aa075e8d7c70ac431dd8c9a7422aedcf98638fd3dc42226a90