[INFO] fetching crate arc_ast 0.4.2... [INFO] checking arc_ast-0.4.2 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3 [INFO] extracting crate arc_ast 0.4.2 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate arc_ast 0.4.2 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate arc_ast 0.4.2 [INFO] finished tweaking crates.io crate arc_ast 0.4.2 [INFO] tweaked toml for crates.io crate arc_ast 0.4.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 38 packages [INFO] [stderr] Adding bigdecimal v0.2.2 (latest: v0.4.3) [INFO] [stderr] Adding hashbrown v0.12.3 (latest: v0.14.3) [INFO] [stderr] Adding indexmap v1.9.3 (latest: v2.2.6) [INFO] [stderr] Adding linked-hash-map v0.3.0 (latest: v0.5.6) [INFO] [stderr] Adding num v0.3.1 (latest: v0.4.1) [INFO] [stderr] Adding num-bigint v0.3.3 (latest: v0.4.4) [INFO] [stderr] Adding num-complex v0.3.1 (latest: v0.4.5) [INFO] [stderr] Adding num-rational v0.3.2 (latest: v0.4.1) [INFO] [stderr] Adding num-traits v0.1.43 (latest: v0.2.18) [INFO] [stderr] Adding serde v0.8.23 (latest: v1.0.197) [INFO] [stderr] Adding serde_test v0.8.23 (latest: v1.0.176) [INFO] [stderr] Adding toml v0.5.11 (latest: v0.8.12) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde_test v0.8.23 [INFO] [stderr] Downloaded num-complex v0.3.1 [INFO] [stderr] Downloaded num v0.3.1 [INFO] [stderr] Downloaded num-rational v0.3.2 [INFO] [stderr] Downloaded linked-hash-map v0.3.0 [INFO] [stderr] Downloaded bigdecimal v0.2.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 53ef5b2eddb3cc8d116f196766950f6abc34e62d2a44d4c6f52c23ee21a485c3 [INFO] running `Command { std: "docker" "start" "-a" "53ef5b2eddb3cc8d116f196766950f6abc34e62d2a44d4c6f52c23ee21a485c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "53ef5b2eddb3cc8d116f196766950f6abc34e62d2a44d4c6f52c23ee21a485c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "53ef5b2eddb3cc8d116f196766950f6abc34e62d2a44d4c6f52c23ee21a485c3", kill_on_drop: false }` [INFO] [stdout] 53ef5b2eddb3cc8d116f196766950f6abc34e62d2a44d4c6f52c23ee21a485c3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 581e9f94028b3b070d46c0bca34f17815501bf74ff72e1145c0198a375abad72 [INFO] running `Command { std: "docker" "start" "-a" "581e9f94028b3b070d46c0bca34f17815501bf74ff72e1145c0198a375abad72", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling num-bigint v0.3.3 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling serde_json v1.0.115 [INFO] [stderr] Checking toml v0.5.11 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-complex v0.3.1 [INFO] [stderr] Checking num-iter v0.1.44 [INFO] [stderr] Checking bigdecimal v0.2.2 [INFO] [stderr] Checking num v0.3.1 [INFO] [stderr] Checking arc_ast v0.4.2 (/opt/rustwide/workdir) [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(box_syntax)] [INFO] [stdout] | ^^^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: replaced with `#[rustc_box]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(box_syntax)] [INFO] [stdout] | ^^^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: replaced with `#[rustc_box]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::utils::parse_format` [INFO] [stdout] --> src/ast/statements/mod.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::utils::parse_format; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::utils::parse_format` [INFO] [stdout] --> src/ast/statements/mod.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::utils::parse_format; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0557`. [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 1 warning 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 `arc_ast` (lib test) due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `arc_ast` (lib) due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "581e9f94028b3b070d46c0bca34f17815501bf74ff72e1145c0198a375abad72", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "581e9f94028b3b070d46c0bca34f17815501bf74ff72e1145c0198a375abad72", kill_on_drop: false }` [INFO] [stdout] 581e9f94028b3b070d46c0bca34f17815501bf74ff72e1145c0198a375abad72