[INFO] fetching crate libxm-soundboard 0.0.3...
[INFO] checking libxm-soundboard-0.0.3 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] extracting crate libxm-soundboard 0.0.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate libxm-soundboard 0.0.3 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libxm-soundboard 0.0.3
[INFO] finished tweaking crates.io crate libxm-soundboard 0.0.3
[INFO] tweaked toml for crates.io crate libxm-soundboard 0.0.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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] 4eb87aeb15de7bfc4053444c44f58169295d5d12b28875645fcb745b9a0c0d18
[INFO] running `Command { std: "docker" "start" "-a" "4eb87aeb15de7bfc4053444c44f58169295d5d12b28875645fcb745b9a0c0d18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4eb87aeb15de7bfc4053444c44f58169295d5d12b28875645fcb745b9a0c0d18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4eb87aeb15de7bfc4053444c44f58169295d5d12b28875645fcb745b9a0c0d18", kill_on_drop: false }`
[INFO] [stdout] 4eb87aeb15de7bfc4053444c44f58169295d5d12b28875645fcb745b9a0c0d18
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92095f6983826a4752b574c0536e6fc562c18199e3a0dcbf4bc1ac0e1fe58c9d
[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" "92095f6983826a4752b574c0536e6fc562c18199e3a0dcbf4bc1ac0e1fe58c9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.85
[INFO] [stderr]    Compiling libxm-soundboard v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: libxm/src/play.c: In function 'xm_handle_note_and_instrument':
[INFO] [stderr] warning: libxm/src/play.c:486:10: warning: this statement may fall through [-Wimplicit-fallthrough=]
[INFO] [stderr] warning:   486 |       if (s->volume_column > 0x50) break;
[INFO] [stderr] warning:       |          ^
[INFO] [stderr] warning: libxm/src/play.c:487:5: note: here
[INFO] [stderr] warning:   487 |     case 0x1:
[INFO] [stderr] warning:       |     ^~~~
[INFO] [stderr] warning: libxm/src/play.c: In function 'xm_tick':
[INFO] [stderr] warning: libxm/src/play.c:1053:18: warning: this statement may fall through [-Wimplicit-fallthrough=]
[INFO] [stderr] warning:  1053 |               if (ctx->current_tick == 1) {
[INFO] [stderr] warning:       |                  ^
[INFO] [stderr] warning: libxm/src/play.c:1060:13: note: here
[INFO] [stderr] warning:  1060 |             case 1: /* 0 -> 0 -> y -> x -> … */
[INFO] [stderr] warning:       |             ^~~~
[INFO] [stderr] warning: libxm/src/play.c:1061:18: warning: this statement may fall through [-Wimplicit-fallthrough=]
[INFO] [stderr] warning:  1061 |               if (ctx->current_tick == 0) {
[INFO] [stderr] warning:       |                  ^
[INFO] [stderr] warning: libxm/src/play.c:1068:13: note: here
[INFO] [stderr] warning:  1068 |             case 0: /* 0 -> y -> x -> … */
[INFO] [stderr] warning:       |             ^~~~
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.04s
[INFO] running `Command { std: "docker" "inspect" "92095f6983826a4752b574c0536e6fc562c18199e3a0dcbf4bc1ac0e1fe58c9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92095f6983826a4752b574c0536e6fc562c18199e3a0dcbf4bc1ac0e1fe58c9d", kill_on_drop: false }`
[INFO] [stdout] 92095f6983826a4752b574c0536e6fc562c18199e3a0dcbf4bc1ac0e1fe58c9d