[INFO] fetching crate mc-extractor 0.2.0...
[INFO] checking mc-extractor-0.2.0 against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] extracting crate mc-extractor 0.2.0 into /workspace/builds/worker-5-tc2/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-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mc-extractor 0.2.0 on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e12e452ca8cf8f20511dbe1f964c47e9c5d291d48052886d5022269af847d95
[INFO] running `Command { std: "docker" "start" "-a" "7e12e452ca8cf8f20511dbe1f964c47e9c5d291d48052886d5022269af847d95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e12e452ca8cf8f20511dbe1f964c47e9c5d291d48052886d5022269af847d95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e12e452ca8cf8f20511dbe1f964c47e9c5d291d48052886d5022269af847d95", kill_on_drop: false }`
[INFO] [stdout] 7e12e452ca8cf8f20511dbe1f964c47e9c5d291d48052886d5022269af847d95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 21275ba72185c482dcc3c49e4673217d2dc78429c13a4b6cc2850bab9b50919c
[INFO] running `Command { std: "docker" "start" "-a" "21275ba72185c482dcc3c49e4673217d2dc78429c13a4b6cc2850bab9b50919c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]     Checking unicode-segmentation v1.9.0
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking console v0.15.0
[INFO] [stderr]     Checking indicatif v0.16.2
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]     Checking serde v1.0.136
[INFO] [stderr]     Checking serde_json v1.0.78
[INFO] [stderr]     Checking 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] [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 11.73s
[INFO] running `Command { std: "docker" "inspect" "21275ba72185c482dcc3c49e4673217d2dc78429c13a4b6cc2850bab9b50919c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21275ba72185c482dcc3c49e4673217d2dc78429c13a4b6cc2850bab9b50919c", kill_on_drop: false }`
[INFO] [stdout] 21275ba72185c482dcc3c49e4673217d2dc78429c13a4b6cc2850bab9b50919c