[INFO] fetching crate mc-extractor 0.2.0...
[INFO] checking mc-extractor-0.2.0 against master#656ccbe796ff98def9b555c118e1620c5389e3b2 for pr-133502-24
[INFO] extracting crate mc-extractor 0.2.0 into /workspace/builds/worker-5-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-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mc-extractor 0.2.0 on toolchain 656ccbe796ff98def9b555c118e1620c5389e3b2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+656ccbe796ff98def9b555c118e1620c5389e3b2" "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" "+656ccbe796ff98def9b555c118e1620c5389e3b2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded indicatif v0.16.2
[INFO] [stderr]   Downloaded quote v1.0.15
[INFO] [stderr]   Downloaded serde_json v1.0.78
[INFO] [stderr]   Downloaded once_cell v1.9.0
[INFO] [stderr]   Downloaded console v0.15.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.36
[INFO] [stderr]   Downloaded syn v1.0.86
[INFO] [stderr]   Downloaded libc v0.2.117
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] a7ae71efbdac386c4439b61e734f4125bc64f51d49a1a48029b7d7d5947d8a84
[INFO] running `Command { std: "docker" "start" "a7ae71efbdac386c4439b61e734f4125bc64f51d49a1a48029b7d7d5947d8a84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7ae71efbdac386c4439b61e734f4125bc64f51d49a1a48029b7d7d5947d8a84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a7ae71efbdac386c4439b61e734f4125bc64f51d49a1a48029b7d7d5947d8a84" "/opt/rustwide/cargo-home/bin/cargo" "+656ccbe796ff98def9b555c118e1620c5389e3b2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7ae71efbdac386c4439b61e734f4125bc64f51d49a1a48029b7d7d5947d8a84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a7ae71efbdac386c4439b61e734f4125bc64f51d49a1a48029b7d7d5947d8a84" "/opt/rustwide/cargo-home/bin/cargo" "+656ccbe796ff98def9b555c118e1620c5389e3b2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]    Compiling serde_json v1.0.78
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking console v0.15.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking indicatif v0.16.2
[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 15.75s
[INFO] running `Command { std: "docker" "inspect" "a7ae71efbdac386c4439b61e734f4125bc64f51d49a1a48029b7d7d5947d8a84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7ae71efbdac386c4439b61e734f4125bc64f51d49a1a48029b7d7d5947d8a84", kill_on_drop: false }`
[INFO] [stdout] a7ae71efbdac386c4439b61e734f4125bc64f51d49a1a48029b7d7d5947d8a84
