[INFO] fetching crate iso9660_simple 0.1.17...
[INFO] checking iso9660_simple-0.1.17 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate iso9660_simple 0.1.17 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate iso9660_simple 0.1.17
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate iso9660_simple 0.1.17
[INFO] tweaked toml for crates.io crate iso9660_simple 0.1.17 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate iso9660_simple 0.1.17 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate iso9660_simple 0.1.17 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0aae3e0a34e245aa4c1f97bff4c0b99ed9e4a1dad89dfcbe5ac1b13b489509b
[INFO] running `Command { std: "docker" "start" "-a" "f0aae3e0a34e245aa4c1f97bff4c0b99ed9e4a1dad89dfcbe5ac1b13b489509b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0aae3e0a34e245aa4c1f97bff4c0b99ed9e4a1dad89dfcbe5ac1b13b489509b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0aae3e0a34e245aa4c1f97bff4c0b99ed9e4a1dad89dfcbe5ac1b13b489509b", kill_on_drop: false }`
[INFO] [stdout] f0aae3e0a34e245aa4c1f97bff4c0b99ed9e4a1dad89dfcbe5ac1b13b489509b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73fa54afb5d3962cb304457f844d8a2227b9b20ddb6608698b893d9902389bd1
[INFO] running `Command { std: "docker" "start" "-a" "73fa54afb5d3962cb304457f844d8a2227b9b20ddb6608698b893d9902389bd1", kill_on_drop: false }`
[INFO] [stderr]     Checking iso9660_simple v0.1.17 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `helpers`
[INFO] [stdout]  --> examples/dump.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use iso9660_simple::{helpers, Read as ISORead, *};
[INFO] [stdout]   |                      ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> examples/dump.rs:4:32
[INFO] [stdout]   |
[INFO] [stdout] 4 |     io::{Read, Seek, SeekFrom, Write},
[INFO] [stdout]   |                                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "73fa54afb5d3962cb304457f844d8a2227b9b20ddb6608698b893d9902389bd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73fa54afb5d3962cb304457f844d8a2227b9b20ddb6608698b893d9902389bd1", kill_on_drop: false }`
[INFO] [stdout] 73fa54afb5d3962cb304457f844d8a2227b9b20ddb6608698b893d9902389bd1