[INFO] fetching crate strider 0.1.3... [INFO] checking strider-0.1.3 against try#22dd2dd1dc07f63ae9394352d412f020d2985684 for pr-74627 [INFO] extracting crate strider 0.1.3 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate strider 0.1.3 on toolchain 22dd2dd1dc07f63ae9394352d412f020d2985684 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate strider 0.1.3 [INFO] finished tweaking crates.io crate strider 0.1.3 [INFO] tweaked toml for crates.io crate strider 0.1.3 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "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] 8f3a387ae827de77963a851004cfb449bc4db3a0191ca15e79d4a8a0d32e8344 [INFO] running `Command { std: "docker" "start" "-a" "8f3a387ae827de77963a851004cfb449bc4db3a0191ca15e79d4a8a0d32e8344", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8f3a387ae827de77963a851004cfb449bc4db3a0191ca15e79d4a8a0d32e8344", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8f3a387ae827de77963a851004cfb449bc4db3a0191ca15e79d4a8a0d32e8344", kill_on_drop: false }` [INFO] [stdout] 8f3a387ae827de77963a851004cfb449bc4db3a0191ca15e79d4a8a0d32e8344 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c4720b9e2b6953ec8b7745d4b71d4b940a36281e68e91a872d2ca564b8dc16be [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" "c4720b9e2b6953ec8b7745d4b71d4b940a36281e68e91a872d2ca564b8dc16be", kill_on_drop: false }` [INFO] [stderr] Checking strider v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tests/lib.rs:17:13 [INFO] [stdout] | [INFO] [stdout] 17 | let mut input_buffer: &mut [u8] = &mut [0; 4]; [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] ... [INFO] [stdout] 50 | test_string_windowing!(VecDeque::::new()); [INFO] [stdout] | ---------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [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: variable does not need to be mutable [INFO] [stdout] --> tests/lib.rs:18:13 [INFO] [stdout] | [INFO] [stdout] 18 | let mut window_buffer: &mut [u8] = &mut [0; WINDOW_SIZE]; [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] ... [INFO] [stdout] 50 | test_string_windowing!(VecDeque::::new()); [INFO] [stdout] | ---------------------------------------------- in this macro invocation [INFO] [stdout] | [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: variable does not need to be mutable [INFO] [stdout] --> tests/lib.rs:17:13 [INFO] [stdout] | [INFO] [stdout] 17 | let mut input_buffer: &mut [u8] = &mut [0; 4]; [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] ... [INFO] [stdout] 54 | test_string_windowing!(SliceRingImpl::::new()); [INFO] [stdout] | --------------------------------------------------- in this macro invocation [INFO] [stdout] | [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: variable does not need to be mutable [INFO] [stdout] --> tests/lib.rs:18:13 [INFO] [stdout] | [INFO] [stdout] 18 | let mut window_buffer: &mut [u8] = &mut [0; WINDOW_SIZE]; [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] ... [INFO] [stdout] 54 | test_string_windowing!(SliceRingImpl::::new()); [INFO] [stdout] | --------------------------------------------------- in this macro invocation [INFO] [stdout] | [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: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.01s [INFO] running `Command { std: "docker" "inspect" "c4720b9e2b6953ec8b7745d4b71d4b940a36281e68e91a872d2ca564b8dc16be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c4720b9e2b6953ec8b7745d4b71d4b940a36281e68e91a872d2ca564b8dc16be", kill_on_drop: false }` [INFO] [stdout] c4720b9e2b6953ec8b7745d4b71d4b940a36281e68e91a872d2ca564b8dc16be