[INFO] fetching crate ptb-reader 0.9.1...
[INFO] checking ptb-reader-0.9.1 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate ptb-reader 0.9.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate ptb-reader 0.9.1 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ptb-reader 0.9.1
[INFO] finished tweaking crates.io crate ptb-reader 0.9.1
[INFO] tweaked toml for crates.io crate ptb-reader 0.9.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ffa51dc90eddcebc82205b53c3b048e6d50a1d18b75bb7814e2ebe66900d1246
[INFO] running `Command { std: "docker" "start" "-a" "ffa51dc90eddcebc82205b53c3b048e6d50a1d18b75bb7814e2ebe66900d1246", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffa51dc90eddcebc82205b53c3b048e6d50a1d18b75bb7814e2ebe66900d1246", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffa51dc90eddcebc82205b53c3b048e6d50a1d18b75bb7814e2ebe66900d1246", kill_on_drop: false }`
[INFO] [stdout] ffa51dc90eddcebc82205b53c3b048e6d50a1d18b75bb7814e2ebe66900d1246
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73ec4eeb28c14ef33f9c8284bcff51360c5730770149560cfd4a2058e57b279c
[INFO] running `Command { std: "docker" "start" "-a" "73ec4eeb28c14ef33f9c8284bcff51360c5730770149560cfd4a2058e57b279c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking simple-error v0.1.12
[INFO] [stderr]     Checking pest v0.4.1
[INFO] [stderr]     Checking ptb-reader v0.9.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:314:114
[INFO] [stdout]     |
[INFO] [stdout] 314 | pub fn parse_spmrl_ptb_file(f: &str, singlebracketed: bool, remove_after_dash: bool) -> Result<Vec<PTBTree>, Box<std::error::Error>> {
[INFO] [stdout]     |                                                                                                                  ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:314:114
[INFO] [stdout]     |
[INFO] [stdout] 314 | pub fn parse_spmrl_ptb_file(f: &str, singlebracketed: bool, remove_after_dash: bool) -> Result<Vec<PTBTree>, Box<std::error::Error>> {
[INFO] [stdout]     |                                                                                                                  ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021.
[INFO] [stdout]    --> src/lib.rs:172:84
[INFO] [stdout]     |
[INFO] [stdout] 172 |                 for pref in ["*-", "*T*-", "*ICH*-", "*PPA*-", "*RNR*-", "*EXP*-"].into_iter() {
[INFO] [stdout]     |                                                                                    ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 172 |                 for pref in ["*-", "*T*-", "*ICH*-", "*PPA*-", "*RNR*-", "*EXP*-"].iter() {
[INFO] [stdout]     |                                                                                    ^^^^
[INFO] [stdout] help: or remove `.into_iter()` to iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 172 |                 for pref in ["*-", "*T*-", "*ICH*-", "*PPA*-", "*RNR*-", "*EXP*-"] {
[INFO] [stdout]     |                                                                                  --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021.
[INFO] [stdout]    --> src/lib.rs:172:84
[INFO] [stdout]     |
[INFO] [stdout] 172 |                 for pref in ["*-", "*T*-", "*ICH*-", "*PPA*-", "*RNR*-", "*EXP*-"].into_iter() {
[INFO] [stdout]     |                                                                                    ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 172 |                 for pref in ["*-", "*T*-", "*ICH*-", "*PPA*-", "*RNR*-", "*EXP*-"].iter() {
[INFO] [stdout]     |                                                                                    ^^^^
[INFO] [stdout] help: or remove `.into_iter()` to iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 172 |                 for pref in ["*-", "*T*-", "*ICH*-", "*PPA*-", "*RNR*-", "*EXP*-"] {
[INFO] [stdout]     |                                                                                  --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "73ec4eeb28c14ef33f9c8284bcff51360c5730770149560cfd4a2058e57b279c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73ec4eeb28c14ef33f9c8284bcff51360c5730770149560cfd4a2058e57b279c", kill_on_drop: false }`
[INFO] [stdout] 73ec4eeb28c14ef33f9c8284bcff51360c5730770149560cfd4a2058e57b279c