[INFO] crate arsert_impl 0.0.2 is already in cache
[INFO] extracting crate arsert_impl 0.0.2 into work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/arsert_impl/0.0.2
[INFO] extracting crate arsert_impl 0.0.2 into work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/arsert_impl/0.0.2
[INFO] validating manifest of arsert_impl-0.0.2 on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of arsert_impl-0.0.2 on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing arsert_impl-0.0.2
[INFO] finished frobbing arsert_impl-0.0.2
[INFO] frobbed toml for arsert_impl-0.0.2 written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/arsert_impl/0.0.2/Cargo.toml
[INFO] started frobbing arsert_impl-0.0.2
[INFO] finished frobbing arsert_impl-0.0.2
[INFO] frobbed toml for arsert_impl-0.0.2 written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/arsert_impl/0.0.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking arsert_impl-0.0.2 against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-2/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/arsert_impl/0.0.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a47ddada147acd69490c29e699962e28d5849dce4a8fe546c18d2139448f01e3
[INFO] running `"docker" "start" "-a" "a47ddada147acd69490c29e699962e28d5849dce4a8fe546c18d2139448f01e3"`
[INFO] [stderr]     Checking arsert_failure v0.0.2
[INFO] [stderr]     Checking arsert_impl v0.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `ExprPath`
[INFO] [stderr]  --> src/lib.rs:7:68
[INFO] [stderr]   |
[INFO] [stderr] 7 | use syn::{self, parenthesized, parse_macro_input, Attribute, Expr, ExprPath, Result, Token};
[INFO] [stderr]   |                                                                    ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ExprPath`
[INFO] [stderr]  --> src/expressions.rs:3:17
[INFO] [stderr]   |
[INFO] [stderr] 3 | use syn::{Expr, ExprPath, Result};
[INFO] [stderr]   |                 ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `proc_macro2`
[INFO] [stderr]  --> src/expressions/binary.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use proc_macro2;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `proc_macro2`
[INFO] [stderr]  --> src/expressions/simple.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use proc_macro2;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ExprPath`
[INFO] [stderr]  --> src/expressions/simple.rs:4:17
[INFO] [stderr]   |
[INFO] [stderr] 4 | use syn::{Expr, ExprPath};
[INFO] [stderr]   |                 ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `proc_macro2`
[INFO] [stderr]  --> src/expressions/unary.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use proc_macro2;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ExprPath`
[INFO] [stderr]  --> src/lib.rs:7:68
[INFO] [stderr]   |
[INFO] [stderr] 7 | use syn::{self, parenthesized, parse_macro_input, Attribute, Expr, ExprPath, Result, Token};
[INFO] [stderr]   |                                                                    ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ExprPath`
[INFO] [stderr]  --> src/expressions.rs:3:17
[INFO] [stderr]   |
[INFO] [stderr] 3 | use syn::{Expr, ExprPath, Result};
[INFO] [stderr]   |                 ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `proc_macro2`
[INFO] [stderr]  --> src/expressions/binary.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use proc_macro2;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `proc_macro2`
[INFO] [stderr]  --> src/expressions/simple.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use proc_macro2;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ExprPath`
[INFO] [stderr]  --> src/expressions/simple.rs:4:17
[INFO] [stderr]   |
[INFO] [stderr] 4 | use syn::{Expr, ExprPath};
[INFO] [stderr]   |                 ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `proc_macro2`
[INFO] [stderr]  --> src/expressions/unary.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use proc_macro2;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `"docker" "inspect" "a47ddada147acd69490c29e699962e28d5849dce4a8fe546c18d2139448f01e3"`
[INFO] running `"docker" "rm" "-f" "a47ddada147acd69490c29e699962e28d5849dce4a8fe546c18d2139448f01e3"`
[INFO] [stdout] a47ddada147acd69490c29e699962e28d5849dce4a8fe546c18d2139448f01e3