[INFO] fetching crate mc-extractor 0.2.0...
[INFO] testing mc-extractor-0.2.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate mc-extractor 0.2.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate mc-extractor 0.2.0
[INFO] finished tweaking crates.io crate mc-extractor 0.2.0
[INFO] tweaked toml for crates.io crate mc-extractor 0.2.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mc-extractor 0.2.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mc-extractor 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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 console v0.15.0
[INFO] [stderr]   Downloaded indicatif v0.16.2
[INFO] [stderr]   Downloaded libc v0.2.117
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76c1399feb076d68189b52a8a03e92708c497b00e58f9d9bd213e7d16fe00d16
[INFO] running `Command { std: "docker" "start" "-a" "76c1399feb076d68189b52a8a03e92708c497b00e58f9d9bd213e7d16fe00d16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76c1399feb076d68189b52a8a03e92708c497b00e58f9d9bd213e7d16fe00d16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76c1399feb076d68189b52a8a03e92708c497b00e58f9d9bd213e7d16fe00d16", kill_on_drop: false }`
[INFO] [stdout] 76c1399feb076d68189b52a8a03e92708c497b00e58f9d9bd213e7d16fe00d16
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6f3090920c06048d1071fa3578d8505a518d419e17ce4ba45cfb26678328c8e
[INFO] running `Command { std: "docker" "start" "-a" "a6f3090920c06048d1071fa3578d8505a518d419e17ce4ba45cfb26678328c8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling once_cell v1.9.0
[INFO] [stderr]    Compiling serde_json v1.0.78
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling number_prefix v0.4.0
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling console v0.15.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling indicatif v0.16.2
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling mc-extractor v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `size` is never used
[INFO] [stdout]   --> src/data.rs:30:19
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Object {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub(crate) fn size(&self) -> u32 {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.61s
[INFO] running `Command { std: "docker" "inspect" "a6f3090920c06048d1071fa3578d8505a518d419e17ce4ba45cfb26678328c8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6f3090920c06048d1071fa3578d8505a518d419e17ce4ba45cfb26678328c8e", kill_on_drop: false }`
[INFO] [stdout] a6f3090920c06048d1071fa3578d8505a518d419e17ce4ba45cfb26678328c8e
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e40cea67a5c0121211022f81e4da19d6a4adbcb79dc904d3ac1824e06efe262d
[INFO] running `Command { std: "docker" "start" "-a" "e40cea67a5c0121211022f81e4da19d6a4adbcb79dc904d3ac1824e06efe262d", kill_on_drop: false }`
[INFO] [stderr]    Compiling mc-extractor v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `size` is never used
[INFO] [stdout]   --> src/data.rs:30:19
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Object {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub(crate) fn size(&self) -> u32 {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "e40cea67a5c0121211022f81e4da19d6a4adbcb79dc904d3ac1824e06efe262d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e40cea67a5c0121211022f81e4da19d6a4adbcb79dc904d3ac1824e06efe262d", kill_on_drop: false }`
[INFO] [stdout] e40cea67a5c0121211022f81e4da19d6a4adbcb79dc904d3ac1824e06efe262d
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 634fffccc7c7f22a09531dc7cfc12f130d26563964346726934b211581508607
[INFO] running `Command { std: "docker" "start" "-a" "634fffccc7c7f22a09531dc7cfc12f130d26563964346726934b211581508607", kill_on_drop: false }`
[INFO] [stderr] warning: method `size` is never used
[INFO] [stdout] 
[INFO] [stderr]   --> src/data.rs:30:19
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 23 | impl Object {
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    | ----------- method in this implementation
[INFO] [stdout] 
[INFO] [stderr] ...
[INFO] [stderr] 30 |     pub(crate) fn size(&self) -> u32 {
[INFO] [stderr]    |                   ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mc-extractor` (bin "mc-extractor" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mc_extractor-02449d7bff4f8ee7)
[INFO] running `Command { std: "docker" "inspect" "634fffccc7c7f22a09531dc7cfc12f130d26563964346726934b211581508607", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "634fffccc7c7f22a09531dc7cfc12f130d26563964346726934b211581508607", kill_on_drop: false }`
[INFO] [stdout] 634fffccc7c7f22a09531dc7cfc12f130d26563964346726934b211581508607