[INFO] fetching crate chiter 0.4.2...
[INFO] checking chiter-0.4.2 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate chiter 0.4.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate chiter 0.4.2 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate chiter 0.4.2
[INFO] finished tweaking crates.io crate chiter 0.4.2
[INFO] tweaked toml for crates.io crate chiter 0.4.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f135f7180ccf6f88e58a3822dd165b7ed3dba50702d992780c0037cd063abbde
[INFO] running `"docker" "start" "-a" "f135f7180ccf6f88e58a3822dd165b7ed3dba50702d992780c0037cd063abbde"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking chiter v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/lib.rs:86:10
[INFO] [stderr]    |
[INFO] [stderr] 86 |         );*
[INFO] [stderr]    |          ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolon)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `add_one` is assigned to, but never used
[INFO] [stderr]  --> src/lib.rs:7:13
[INFO] [stderr]   |
[INFO] [stderr] 7 |         let add_one;
[INFO] [stderr]   |             ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]   = note: consider using `_add_one` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variable `get_random_number` is assigned to, but never used
[INFO] [stderr]  --> src/lib.rs:8:13
[INFO] [stderr]   |
[INFO] [stderr] 8 |         let get_random_number;
[INFO] [stderr]   |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: consider using `_get_random_number` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `add_one` is never read
[INFO] [stderr]   --> src/lib.rs:85:13
[INFO] [stderr]    |
[INFO] [stderr] 10 | /             chiter::make_functions! {
[INFO] [stderr] 11 | |                 0xDEADBEEF; fn add_one(i32) -> i32;
[INFO] [stderr] 12 | |                 0xDEADBEEFu32 + 70; fn get_random_number() -> i32;
[INFO] [stderr] 13 | |             }
[INFO] [stderr]    | |_____________- in this macro invocation
[INFO] [stderr] ...
[INFO] [stderr] 85 |               $fn_name = std::mem::transmute::<*const usize, fn( $($argument),* ) -> $returntype>($address as *const usize);
[INFO] [stderr]    |               ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `get_random_number` is never read
[INFO] [stderr]   --> src/lib.rs:85:13
[INFO] [stderr]    |
[INFO] [stderr] 10 | /             chiter::make_functions! {
[INFO] [stderr] 11 | |                 0xDEADBEEF; fn add_one(i32) -> i32;
[INFO] [stderr] 12 | |                 0xDEADBEEFu32 + 70; fn get_random_number() -> i32;
[INFO] [stderr] 13 | |             }
[INFO] [stderr]    | |_____________- in this macro invocation
[INFO] [stderr] ...
[INFO] [stderr] 85 |               $fn_name = std::mem::transmute::<*const usize, fn( $($argument),* ) -> $returntype>($address as *const usize);
[INFO] [stderr]    |               ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]  --> src/lib.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     #[macro_use]
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.67s
[INFO] running `"docker" "inspect" "f135f7180ccf6f88e58a3822dd165b7ed3dba50702d992780c0037cd063abbde"`
[INFO] running `"docker" "rm" "-f" "f135f7180ccf6f88e58a3822dd165b7ed3dba50702d992780c0037cd063abbde"`
[INFO] [stdout] f135f7180ccf6f88e58a3822dd165b7ed3dba50702d992780c0037cd063abbde