[INFO] fetching crate followfile 0.2.1...
[INFO] checking followfile-0.2.1 against master#9e293ae9f8abecb0be5105787d181518c9012a19 for pr-146440-1
[INFO] extracting crate followfile 0.2.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate followfile 0.2.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate followfile 0.2.1
[INFO] tweaked toml for crates.io crate followfile 0.2.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate followfile 0.2.1 on toolchain 9e293ae9f8abecb0be5105787d181518c9012a19
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate followfile 0.2.1 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" "+9e293ae9f8abecb0be5105787d181518c9012a19" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.83
[INFO] [stderr]   Downloaded cc v1.0.98
[INFO] [stderr]   Downloaded syn v2.0.65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 68799efd38b422c41375268f701017385c9d6df246c37a2a9427e90ecc6be392
[INFO] running `Command { std: "docker" "start" "-a" "68799efd38b422c41375268f701017385c9d6df246c37a2a9427e90ecc6be392", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68799efd38b422c41375268f701017385c9d6df246c37a2a9427e90ecc6be392", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68799efd38b422c41375268f701017385c9d6df246c37a2a9427e90ecc6be392", kill_on_drop: false }`
[INFO] [stdout] 68799efd38b422c41375268f701017385c9d6df246c37a2a9427e90ecc6be392
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3155a63c5dcf21808cf2bf14b5cb522d6b2610aa0c0dda9c60785034fa59a623
[INFO] running `Command { std: "docker" "start" "-a" "3155a63c5dcf21808cf2bf14b5cb522d6b2610aa0c0dda9c60785034fa59a623", kill_on_drop: false }`
[INFO] [stderr]     Checking followfile v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/lib.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/lib.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `inner`, `option`, and `watcher` are never read
[INFO] [stdout]   --> src/lib.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub struct FollowFile<R, W> {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout]  8 |     inner: R,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]  9 |     option: FollowOptions,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 10 |     watcher: Pin<Box<W>>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `inner`, `option`, and `watcher` are never read
[INFO] [stdout]   --> src/lib.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub struct FollowFile<R, W> {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout]  8 |     inner: R,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]  9 |     option: FollowOptions,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 10 |     watcher: Pin<Box<W>>,
[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 0.09s
[INFO] running `Command { std: "docker" "inspect" "3155a63c5dcf21808cf2bf14b5cb522d6b2610aa0c0dda9c60785034fa59a623", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3155a63c5dcf21808cf2bf14b5cb522d6b2610aa0c0dda9c60785034fa59a623", kill_on_drop: false }`
[INFO] [stdout] 3155a63c5dcf21808cf2bf14b5cb522d6b2610aa0c0dda9c60785034fa59a623
