[INFO] fetching crate chiter 0.4.3... [INFO] checking chiter-0.4.3 against beta for pr-78714 [INFO] extracting crate chiter 0.4.3 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate chiter 0.4.3 on toolchain beta [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate chiter 0.4.3 [INFO] finished tweaking crates.io crate chiter 0.4.3 [INFO] tweaked toml for crates.io crate chiter 0.4.3 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] c9b75d9001f51d242b43b8ac3d168a528c7f2313808f9c25c5f8b0d356629267 [INFO] running `Command { std: "docker" "start" "-a" "c9b75d9001f51d242b43b8ac3d168a528c7f2313808f9c25c5f8b0d356629267", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c9b75d9001f51d242b43b8ac3d168a528c7f2313808f9c25c5f8b0d356629267", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c9b75d9001f51d242b43b8ac3d168a528c7f2313808f9c25c5f8b0d356629267", kill_on_drop: false }` [INFO] [stdout] c9b75d9001f51d242b43b8ac3d168a528c7f2313808f9c25c5f8b0d356629267 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 40b7192e7dbf2c55a7ffad8179a67e4e67cf5e8d1afa3f9243ae5e8f12b50b75 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "40b7192e7dbf2c55a7ffad8179a67e4e67cf5e8d1afa3f9243ae5e8f12b50b75", kill_on_drop: false }` [INFO] [stderr] Checking chiter v0.4.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/memory.rs:105:10 [INFO] [stdout] | [INFO] [stdout] 105 | );* [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `add_one` is assigned to, but never used [INFO] [stdout] --> src/lib.rs:6:13 [INFO] [stdout] | [INFO] [stdout] 6 | let add_one; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_add_one` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `get_random_number` is assigned to, but never used [INFO] [stdout] --> src/lib.rs:7:13 [INFO] [stdout] | [INFO] [stdout] 7 | let get_random_number; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_get_random_number` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `add_one` is never read [INFO] [stdout] --> src/memory.rs:104:13 [INFO] [stdout] | [INFO] [stdout] 104 | $fn_name = std::mem::transmute::<*const usize, fn( $($argument),* ) -> $returntype>($address as *const usize); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:9:13 [INFO] [stdout] | [INFO] [stdout] 9 | / chiter::make_functions! { [INFO] [stdout] 10 | | 0xDEADBEEF; fn add_one(i32) -> i32; [INFO] [stdout] 11 | | 0xDEADBEEFu32 + 70; fn get_random_number() -> i32; [INFO] [stdout] 12 | | } [INFO] [stdout] | |_____________- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `get_random_number` is never read [INFO] [stdout] --> src/memory.rs:104:13 [INFO] [stdout] | [INFO] [stdout] 104 | $fn_name = std::mem::transmute::<*const usize, fn( $($argument),* ) -> $returntype>($address as *const usize); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:9:13 [INFO] [stdout] | [INFO] [stdout] 9 | / chiter::make_functions! { [INFO] [stdout] 10 | | 0xDEADBEEF; fn add_one(i32) -> i32; [INFO] [stdout] 11 | | 0xDEADBEEFu32 + 70; fn get_random_number() -> i32; [INFO] [stdout] 12 | | } [INFO] [stdout] | |_____________- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.35s [INFO] running `Command { std: "docker" "inspect" "40b7192e7dbf2c55a7ffad8179a67e4e67cf5e8d1afa3f9243ae5e8f12b50b75", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "40b7192e7dbf2c55a7ffad8179a67e4e67cf5e8d1afa3f9243ae5e8f12b50b75", kill_on_drop: false }` [INFO] [stdout] 40b7192e7dbf2c55a7ffad8179a67e4e67cf5e8d1afa3f9243ae5e8f12b50b75