[INFO] cloning repository https://github.com/metta-systems/tock-registers [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/metta-systems/tock-registers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmetta-systems%2Ftock-registers", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmetta-systems%2Ftock-registers'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4d8202452f5b7f1c056b524eac62445b74ceebce [INFO] checking metta-systems/tock-registers against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmetta-systems%2Ftock-registers" "/workspace/builds/worker-14/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/metta-systems/tock-registers 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/metta-systems/tock-registers [INFO] finished tweaking git repo https://github.com/metta-systems/tock-registers [INFO] tweaked toml for git repo https://github.com/metta-systems/tock-registers written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/metta-systems/tock-registers 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 863a4a175a84c504e380e6930d3bc305d362c377eab0876f4aa037d7c1648bf8 [INFO] running `Command { std: "docker" "start" "-a" "863a4a175a84c504e380e6930d3bc305d362c377eab0876f4aa037d7c1648bf8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "863a4a175a84c504e380e6930d3bc305d362c377eab0876f4aa037d7c1648bf8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "863a4a175a84c504e380e6930d3bc305d362c377eab0876f4aa037d7c1648bf8", kill_on_drop: false }` [INFO] [stdout] 863a4a175a84c504e380e6930d3bc305d362c377eab0876f4aa037d7c1648bf8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] bccaf3fc841cdff0c47132e284abc2806354cc21f61061828fd50e636acad168 [INFO] running `Command { std: "docker" "start" "-a" "bccaf3fc841cdff0c47132e284abc2806354cc21f61061828fd50e636acad168", 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] Checking tock-registers v0.3.0 (/tmp/fixit) [INFO] [stderr] Migrating src/lib.rs from 2018 edition to 2021 [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/lib.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | #![feature(const_fn)] [INFO] [stdout] | ^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: split into finer-grained feature gates [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait-associated function `try_from` will become ambiguous in Rust 2021 [INFO] [stdout] --> src/registers.rs:161:9 [INFO] [stdout] | [INFO] [stdout] 161 | E::try_from(val) [INFO] [stdout] | ^^^^^^^^^^^ help: disambiguate the associated function: `>::try_from` [INFO] [stdout] | [INFO] [stdout] = note: `--force-warn rust-2021-prelude-collisions` 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] [INFO] [stdout] [INFO] [stdout] warning: trait-associated function `try_from` will become ambiguous in Rust 2021 [INFO] [stdout] --> src/registers.rs:223:9 [INFO] [stdout] | [INFO] [stdout] 223 | E::try_from(val) [INFO] [stdout] | ^^^^^^^^^^^ help: disambiguate the associated function: `>::try_from` [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] [INFO] [stdout] [INFO] [stdout] warning: trait-associated function `try_from` will become ambiguous in Rust 2021 [INFO] [stdout] --> src/registers.rs:301:9 [INFO] [stdout] | [INFO] [stdout] 301 | E::try_from(val) [INFO] [stdout] | ^^^^^^^^^^^ help: disambiguate the associated function: `>::try_from` [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] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0557`. [INFO] [stdout] [INFO] [stderr] error: could not compile `tock-registers` due to 2 previous errors; 3 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/lib.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | #![feature(const_fn)] [INFO] [stdout] | ^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: split into finer-grained feature gates [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait-associated function `try_from` will become ambiguous in Rust 2021 [INFO] [stdout] --> src/registers.rs:161:9 [INFO] [stdout] | [INFO] [stdout] 161 | E::try_from(val) [INFO] [stdout] | ^^^^^^^^^^^ help: disambiguate the associated function: `>::try_from` [INFO] [stdout] | [INFO] [stdout] = note: `--force-warn rust-2021-prelude-collisions` 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] [INFO] [stdout] [INFO] [stdout] warning: trait-associated function `try_from` will become ambiguous in Rust 2021 [INFO] [stdout] --> src/registers.rs:223:9 [INFO] [stdout] | [INFO] [stdout] 223 | E::try_from(val) [INFO] [stdout] | ^^^^^^^^^^^ help: disambiguate the associated function: `>::try_from` [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] [INFO] [stdout] [INFO] [stdout] warning: trait-associated function `try_from` will become ambiguous in Rust 2021 [INFO] [stdout] --> src/registers.rs:301:9 [INFO] [stdout] | [INFO] [stdout] 301 | E::try_from(val) [INFO] [stdout] | ^^^^^^^^^^^ help: disambiguate the associated function: `>::try_from` [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] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0557`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] [stderr] error: failed to migrate to next edition [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `cargo fix --edition --allow-no-vcs --allow-dirty --frozen --all --all-targets --message-format=json` (exit status: 101) [INFO] running `Command { std: "docker" "inspect" "bccaf3fc841cdff0c47132e284abc2806354cc21f61061828fd50e636acad168", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bccaf3fc841cdff0c47132e284abc2806354cc21f61061828fd50e636acad168", kill_on_drop: false }` [INFO] [stdout] bccaf3fc841cdff0c47132e284abc2806354cc21f61061828fd50e636acad168