[INFO] fetching crate ptb-reader 0.9.1...
[INFO] checking ptb-reader-0.9.1 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate ptb-reader 0.9.1 into /workspace/builds/worker-115/source
[INFO] validating manifest of crates.io crate ptb-reader 0.9.1 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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-115/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7be00f2242917f7b72aed5acf498bc425fc91ed90572fbed013b0c194c31e420
[INFO] running `Command { std: "docker" "start" "-a" "7be00f2242917f7b72aed5acf498bc425fc91ed90572fbed013b0c194c31e420", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7be00f2242917f7b72aed5acf498bc425fc91ed90572fbed013b0c194c31e420", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7be00f2242917f7b72aed5acf498bc425fc91ed90572fbed013b0c194c31e420", kill_on_drop: false }`
[INFO] [stdout] 7be00f2242917f7b72aed5acf498bc425fc91ed90572fbed013b0c194c31e420
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77fe61f5163d0160e3da69cad0030b723c7848df9fb3883cec0ddf68c060c151
[INFO] running `Command { std: "docker" "start" "-a" "77fe61f5163d0160e3da69cad0030b723c7848df9fb3883cec0ddf68c060c151", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking pest v0.4.1
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking simple-error v0.1.12
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[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*-"].into_iter() {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[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*-"].into_iter() {
[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 9.29s
[INFO] running `Command { std: "docker" "inspect" "77fe61f5163d0160e3da69cad0030b723c7848df9fb3883cec0ddf68c060c151", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77fe61f5163d0160e3da69cad0030b723c7848df9fb3883cec0ddf68c060c151", kill_on_drop: false }`
[INFO] [stdout] 77fe61f5163d0160e3da69cad0030b723c7848df9fb3883cec0ddf68c060c151