[INFO] cloning repository https://github.com/bowlofeggs/rems [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bowlofeggs/rems" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbowlofeggs%2Frems", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbowlofeggs%2Frems'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b8e717dd9712eae15331e63cd3a871a372736e1f [INFO] checking bowlofeggs/rems against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbowlofeggs%2Frems" "/workspace/builds/worker-69/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-69/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/bowlofeggs/rems on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/bowlofeggs/rems [INFO] finished tweaking git repo https://github.com/bowlofeggs/rems [INFO] tweaked toml for git repo https://github.com/bowlofeggs/rems written to /workspace/builds/worker-69/source/Cargo.toml [INFO] crate git repo https://github.com/bowlofeggs/rems already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", 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] Downloading crates ... [INFO] [stderr] Downloaded pyo3-macros-backend v0.14.2 [INFO] [stderr] Downloaded bson v1.2.3 [INFO] [stderr] Downloaded pyo3-build-config v0.14.2 [INFO] [stderr] Downloaded inline-python-macros v0.7.0 [INFO] [stderr] Downloaded pyo3-macros v0.14.2 [INFO] [stderr] Downloaded inline-python v0.7.0 [INFO] [stderr] Downloaded indoc-impl v0.3.6 [INFO] [stderr] Downloaded indoc v0.3.6 [INFO] [stderr] Downloaded serde_yaml v0.8.18 [INFO] [stderr] Downloaded pyo3 v0.14.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] af484ae1891414d6eb686bd1891b9be4f8d51c07a53689b9fba71d798fb7dc99 [INFO] running `Command { std: "docker" "start" "-a" "af484ae1891414d6eb686bd1891b9be4f8d51c07a53689b9fba71d798fb7dc99", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "af484ae1891414d6eb686bd1891b9be4f8d51c07a53689b9fba71d798fb7dc99", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "af484ae1891414d6eb686bd1891b9be4f8d51c07a53689b9fba71d798fb7dc99", kill_on_drop: false }` [INFO] [stdout] af484ae1891414d6eb686bd1891b9be4f8d51c07a53689b9fba71d798fb7dc99 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1d79c015ddea6668f294edd66b7281092cb3cf1c005b36a59c9e817a76655f10 [INFO] running `Command { std: "docker" "start" "-a" "1d79c015ddea6668f294edd66b7281092cb3cf1c005b36a59c9e817a76655f10", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo. [INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously. [INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html [INFO] [stderr] When building the following dependencies, the given features will no longer be used: [INFO] [stderr] [INFO] [stderr] pyo3 v0.14.2 (as host dependency): default, indoc, macros, paste, pyo3-macros, unindent [INFO] [stderr] [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling syn v1.0.73 [INFO] [stderr] Compiling pyo3-build-config v0.14.2 [INFO] [stderr] Compiling once_cell v1.8.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling unindent v0.1.7 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Compiling serde_derive v1.0.127 [INFO] [stderr] Compiling smallvec v1.6.1 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling serde v1.0.127 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Checking linked-hash-map v0.5.4 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking hex v0.4.3 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking dtoa v0.4.8 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Compiling paste-impl v0.1.18 [INFO] [stderr] Checking yaml-rust v0.4.5 [INFO] [stderr] Checking instant v0.1.10 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking getrandom v0.1.16 [INFO] [stderr] Compiling paste v0.1.18 [INFO] [stderr] Compiling lock_api v0.4.4 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Compiling pyo3 v0.14.2 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking tempfile v3.2.0 [INFO] [stderr] Compiling pyo3-macros-backend v0.14.2 [INFO] [stderr] Compiling indoc-impl v0.3.6 [INFO] [stderr] Compiling structopt-derive v0.4.15 [INFO] [stderr] Compiling pyo3-macros v0.14.2 [INFO] [stderr] Compiling indoc v0.3.6 [INFO] [stderr] Checking structopt v0.3.22 [INFO] [stderr] Compiling inline-python-macros v0.7.0 [INFO] [stderr] Checking inline-python v0.7.0 [INFO] [stderr] Checking serde_yaml v0.8.18 [INFO] [stderr] Checking bson v1.2.3 [INFO] [stderr] Checking rems v0.0.7 (/tmp/fixit) [INFO] [stderr] Migrating src/main.rs from 2018 edition to 2021 [INFO] [stderr] warning: failed to automatically apply fixes suggested by rustc to crate `rems` [INFO] [stderr] [INFO] [stderr] after fixes were automatically applied the compiler reported errors within these files: [INFO] [stderr] [INFO] [stderr] * src/models.rs [INFO] [stderr] [INFO] [stderr] This likely indicates a bug in either rustc or cargo itself, [INFO] [stderr] and we would appreciate a bug report! You're likely to see [INFO] [stderr] a number of compiler warnings after this message which cargo [INFO] [stderr] attempted to fix but failed. If you could open an issue at [INFO] [stderr] https://github.com/rust-lang/rust/issues [INFO] [stderr] quoting the full output of this command we'd be very appreciative! [INFO] [stderr] Note that you may be able to make some more progress in the near-term [INFO] [stderr] fixing code with the `--broken-code` flag [INFO] [stderr] [INFO] [stderr] The following errors were reported: [INFO] [stderr] error: python: invalid syntax [INFO] [stderr] --> src/models.rs:218:33 [INFO] [stderr] | [INFO] [stderr] 218 | ... pyplot.title(f "Time: {t}") [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] Original diagnostics will follow. [INFO] [stderr] [INFO] [stdout] warning: prefix `f` is unknown [INFO] [stdout] --> src/models.rs:218:46 [INFO] [stdout] | [INFO] [stdout] 218 | ... pyplot.title(f"Time: {t}") [INFO] [stdout] | ^ unknown prefix [INFO] [stdout] | [INFO] [stdout] = note: `--force-warn rust-2021-prefixes-incompatible-syntax` implied by `--force-warn rust-2021-compatibility` [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: insert whitespace here to avoid this being parsed as a prefix in Rust 2021 [INFO] [stdout] | [INFO] [stdout] 218 - pyplot.title(f"Time: {t}") [INFO] [stdout] 218 + pyplot.title(f "Time: {t}") [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: prefix `f` is unknown [INFO] [stdout] --> src/models.rs:218:46 [INFO] [stdout] | [INFO] [stdout] 218 | ... pyplot.title(f"Time: {t}") [INFO] [stdout] | ^ unknown prefix [INFO] [stdout] | [INFO] [stdout] = note: `--force-warn rust-2021-prefixes-incompatible-syntax` implied by `--force-warn rust-2021-compatibility` [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: insert whitespace here to avoid this being parsed as a prefix in Rust 2021 [INFO] [stdout] | [INFO] [stdout] 218 - pyplot.title(f"Time: {t}") [INFO] [stdout] 218 + pyplot.title(f "Time: {t}") [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: prefix `f` is unknown [INFO] [stdout] --> src/models.rs:223:72 [INFO] [stdout] | [INFO] [stdout] 223 | ... pyplot.savefig(os.path.join('temp_dir, f"t{int(t/period):04}.png"), dpi=my_dpi) [INFO] [stdout] | ^ unknown prefix [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: insert whitespace here to avoid this being parsed as a prefix in Rust 2021 [INFO] [stdout] | [INFO] [stdout] 223 - pyplot.savefig(os.path.join('temp_dir, f"t{int(t/period):04}.png"), dpi=my_dpi) [INFO] [stdout] 223 + pyplot.savefig(os.path.join('temp_dir, f "t{int(t/period):04}.png"), dpi=my_dpi) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: prefix `f` is unknown [INFO] [stdout] --> src/models.rs:223:72 [INFO] [stdout] | [INFO] [stdout] 223 | ... pyplot.savefig(os.path.join('temp_dir, f"t{int(t/period):04}.png"), dpi=my_dpi) [INFO] [stdout] | ^ unknown prefix [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: insert whitespace here to avoid this being parsed as a prefix in Rust 2021 [INFO] [stdout] | [INFO] [stdout] 223 - pyplot.savefig(os.path.join('temp_dir, f"t{int(t/period):04}.png"), dpi=my_dpi) [INFO] [stdout] 223 + pyplot.savefig(os.path.join('temp_dir, f "t{int(t/period):04}.png"), dpi=my_dpi) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 49.29s [INFO] [stderr] Running `cargo check` to verify 2021 [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling pyo3 v0.14.2 [INFO] [stderr] Compiling inline-python-macros v0.7.0 [INFO] [stderr] Checking inline-python v0.7.0 [INFO] [stderr] Checking rems v0.0.7 (/tmp/fixit) [INFO] [stdout] error: prefix `f` is unknown [INFO] [stdout] --> src/models.rs:218:46 [INFO] [stdout] | [INFO] [stdout] 218 | ... pyplot.title(f"Time: {t}") [INFO] [stdout] | ^ unknown prefix [INFO] [stdout] | [INFO] [stdout] = note: prefixed identifiers and literals are reserved since Rust 2021 [INFO] [stdout] help: consider inserting whitespace here [INFO] [stdout] | [INFO] [stdout] 218 - pyplot.title(f"Time: {t}") [INFO] [stdout] 218 + pyplot.title(f "Time: {t}") [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: prefix `f` is unknown [INFO] [stdout] --> src/models.rs:218:46 [INFO] [stdout] | [INFO] [stdout] 218 | ... pyplot.title(f"Time: {t}") [INFO] [stdout] | ^ unknown prefix [INFO] [stdout] | [INFO] [stdout] = note: prefixed identifiers and literals are reserved since Rust 2021 [INFO] [stdout] help: consider inserting whitespace here [INFO] [stdout] | [INFO] [stdout] 218 - pyplot.title(f"Time: {t}") [INFO] [stdout] 218 + pyplot.title(f "Time: {t}") [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: prefix `f` is unknown [INFO] [stdout] --> src/models.rs:223:72 [INFO] [stdout] | [INFO] [stdout] 223 | ... pyplot.savefig(os.path.join('temp_dir, f"t{int(t/period):04}.png"), dpi=my_dpi) [INFO] [stdout] | ^ unknown prefix [INFO] [stdout] | [INFO] [stdout] = note: prefixed identifiers and literals are reserved since Rust 2021 [INFO] [stdout] help: consider inserting whitespace here [INFO] [stdout] | [INFO] [stdout] 223 - pyplot.savefig(os.path.join('temp_dir, f"t{int(t/period):04}.png"), dpi=my_dpi) [INFO] [stdout] 223 + pyplot.savefig(os.path.join('temp_dir, f "t{int(t/period):04}.png"), dpi=my_dpi) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: prefix `f` is unknown [INFO] [stdout] --> src/models.rs:223:72 [INFO] [stdout] | [INFO] [stdout] 223 | ... pyplot.savefig(os.path.join('temp_dir, f"t{int(t/period):04}.png"), dpi=my_dpi) [INFO] [stdout] | ^ unknown prefix [INFO] [stdout] | [INFO] [stdout] = note: prefixed identifiers and literals are reserved since Rust 2021 [INFO] [stdout] help: consider inserting whitespace here [INFO] [stdout] | [INFO] [stdout] 223 - pyplot.savefig(os.path.join('temp_dir, f"t{int(t/period):04}.png"), dpi=my_dpi) [INFO] [stdout] 223 + pyplot.savefig(os.path.join('temp_dir, f "t{int(t/period):04}.png"), dpi=my_dpi) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rems` due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] [stderr] error: failed to check after updating to 2021 [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `cargo check --frozen --all --all-targets --message-format=json` (exit status: 101) [INFO] running `Command { std: "docker" "inspect" "1d79c015ddea6668f294edd66b7281092cb3cf1c005b36a59c9e817a76655f10", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1d79c015ddea6668f294edd66b7281092cb3cf1c005b36a59c9e817a76655f10", kill_on_drop: false }` [INFO] [stdout] 1d79c015ddea6668f294edd66b7281092cb3cf1c005b36a59c9e817a76655f10