[INFO] fetching crate io_utils 0.2.10...
[INFO] checking io_utils-0.2.10 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] extracting crate io_utils 0.2.10 into /workspace/builds/worker-83/source
[INFO] validating manifest of crates.io crate io_utils 0.2.10 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate io_utils 0.2.10
[INFO] finished tweaking crates.io crate io_utils 0.2.10
[INFO] tweaked toml for crates.io crate io_utils 0.2.10 written to /workspace/builds/worker-83/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded permutation v0.2.5
[INFO] [stderr]   Downloaded lz4 v1.23.2
[INFO] [stderr]   Downloaded lz4-sys v1.9.2
[INFO] [stderr]   Downloaded string_utils v0.1.2
[INFO] [stderr]   Downloaded superslice v1.0.0
[INFO] [stderr]   Downloaded vector_utils v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84a1776c1686c85570495b3fa52325db6694dcb4bd68ae1f4ff4321dc4b66675
[INFO] running `Command { std: "docker" "start" "-a" "84a1776c1686c85570495b3fa52325db6694dcb4bd68ae1f4ff4321dc4b66675", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84a1776c1686c85570495b3fa52325db6694dcb4bd68ae1f4ff4321dc4b66675", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84a1776c1686c85570495b3fa52325db6694dcb4bd68ae1f4ff4321dc4b66675", kill_on_drop: false }`
[INFO] [stdout] 84a1776c1686c85570495b3fa52325db6694dcb4bd68ae1f4ff4321dc4b66675
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8dfa5a1e5481cc51b94e364b616afd83e7f28ae0900b1d467d5609b4bd89d17
[INFO] running `Command { std: "docker" "start" "-a" "f8dfa5a1e5481cc51b94e364b616afd83e7f28ae0900b1d467d5609b4bd89d17", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking superslice v1.0.0
[INFO] [stderr]     Checking permutation v0.2.5
[INFO] [stderr]    Compiling lz4-sys v1.9.2
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking vector_utils v0.1.3
[INFO] [stderr]     Checking string_utils v0.1.2
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking lz4 v1.23.2
[INFO] [stderr]     Checking io_utils v0.2.10 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/lib.rs:83:10
[INFO] [stdout]     |
[INFO] [stdout] 83  |         );
[INFO] [stdout]     |          ^
[INFO] [stdout] ...
[INFO] [stdout] 212 |     let buf = open_for_read![&f];
[INFO] [stdout]     |               ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `open_for_read` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/lib.rs:83:10
[INFO] [stdout]     |
[INFO] [stdout] 83  |         );
[INFO] [stdout]     |          ^
[INFO] [stdout] ...
[INFO] [stdout] 212 |     let buf = open_for_read![&f];
[INFO] [stdout]     |               ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `open_for_read` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.13s
[INFO] running `Command { std: "docker" "inspect" "f8dfa5a1e5481cc51b94e364b616afd83e7f28ae0900b1d467d5609b4bd89d17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8dfa5a1e5481cc51b94e364b616afd83e7f28ae0900b1d467d5609b4bd89d17", kill_on_drop: false }`
[INFO] [stdout] f8dfa5a1e5481cc51b94e364b616afd83e7f28ae0900b1d467d5609b4bd89d17