[INFO] fetching crate jazz 0.2.2... [INFO] checking jazz-0.2.2 against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470 [INFO] extracting crate jazz 0.2.2 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate jazz 0.2.2 on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate jazz 0.2.2 [INFO] finished tweaking crates.io crate jazz 0.2.2 [INFO] tweaked toml for crates.io crate jazz 0.2.2 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] af101bf59ea8430f1705c4e8f9fffb5be9333a51f8af6c0ac7ceebd8db7e4010 [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" "af101bf59ea8430f1705c4e8f9fffb5be9333a51f8af6c0ac7ceebd8db7e4010", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "af101bf59ea8430f1705c4e8f9fffb5be9333a51f8af6c0ac7ceebd8db7e4010", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "af101bf59ea8430f1705c4e8f9fffb5be9333a51f8af6c0ac7ceebd8db7e4010", kill_on_drop: false }` [INFO] [stdout] af101bf59ea8430f1705c4e8f9fffb5be9333a51f8af6c0ac7ceebd8db7e4010 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 2330ef4a3a104e2fc61331d705216f84ac82d2df34a16a8174f11a634ca7e25e [INFO] running `Command { std: "docker" "start" "-a" "2330ef4a3a104e2fc61331d705216f84ac82d2df34a16a8174f11a634ca7e25e", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking jazz v0.2.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/machine.rs:461:73 [INFO] [stdout] | [INFO] [stdout] 461 | obj.store_at(self, vec![target, key, value], 0);; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/machine.rs:461:73 [INFO] [stdout] | [INFO] [stdout] 461 | obj.store_at(self, vec![target, key, value], 0);; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/machine.rs:344:33 [INFO] [stdout] | [INFO] [stdout] 343 | ... let idx = self.labels.get(lbl_id).unwrap(); [INFO] [stdout] | ----------- immutable borrow occurs here [INFO] [stdout] 344 | ... self.branch(*idx); [INFO] [stdout] | ^^^^ ---- immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/machine.rs:377:33 [INFO] [stdout] | [INFO] [stdout] 376 | ... let idx = self.labels.get(lbl_id).unwrap(); [INFO] [stdout] | ----------- immutable borrow occurs here [INFO] [stdout] 377 | ... self.branch(*idx); [INFO] [stdout] | ^^^^ ---- immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/machine.rs:354:33 [INFO] [stdout] | [INFO] [stdout] 353 | ... let idx = self.labels.get(lbl_id).unwrap(); [INFO] [stdout] | ----------- immutable borrow occurs here [INFO] [stdout] 354 | ... self.branch(*idx); [INFO] [stdout] | ^^^^ ---- immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/machine.rs:364:33 [INFO] [stdout] | [INFO] [stdout] 363 | ... let idx = self.labels.get(lbl_id).unwrap(); [INFO] [stdout] | ----------- immutable borrow occurs here [INFO] [stdout] 364 | ... self.branch(*idx); [INFO] [stdout] | ^^^^ ---- immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/machine.rs:312:25 [INFO] [stdout] | [INFO] [stdout] 311 | let idx = self.labels.get(lbl_id).unwrap(); [INFO] [stdout] | ----------- immutable borrow occurs here [INFO] [stdout] 312 | self.branch(*idx); [INFO] [stdout] | ^^^^ ---- immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/machine.rs:323:33 [INFO] [stdout] | [INFO] [stdout] 322 | ... let idx = self.labels.get(lbl_id).unwrap(); [INFO] [stdout] | ----------- immutable borrow occurs here [INFO] [stdout] 323 | ... self.branch(*idx); [INFO] [stdout] | ^^^^ ---- immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/machine.rs:333:33 [INFO] [stdout] | [INFO] [stdout] 332 | ... let idx = self.labels.get(lbl_id).unwrap(); [INFO] [stdout] | ----------- immutable borrow occurs here [INFO] [stdout] 333 | ... self.branch(*idx); [INFO] [stdout] | ^^^^ ---- immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/machine.rs:404:25 [INFO] [stdout] | [INFO] [stdout] 403 | let value = self.globals.get(index).unwrap(); [INFO] [stdout] | ------------ immutable borrow occurs here [INFO] [stdout] 404 | self.set(*reg, *value); [INFO] [stdout] | ^^^^ ------ immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/machine.rs:344:33 [INFO] [stdout] | [INFO] [stdout] 343 | ... let idx = self.labels.get(lbl_id).unwrap(); [INFO] [stdout] | ----------- immutable borrow occurs here [INFO] [stdout] 344 | ... self.branch(*idx); [INFO] [stdout] | ^^^^ ---- immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/machine.rs:377:33 [INFO] [stdout] | [INFO] [stdout] 376 | ... let idx = self.labels.get(lbl_id).unwrap(); [INFO] [stdout] | ----------- immutable borrow occurs here [INFO] [stdout] 377 | ... self.branch(*idx); [INFO] [stdout] | ^^^^ ---- immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/machine.rs:354:33 [INFO] [stdout] | [INFO] [stdout] 353 | ... let idx = self.labels.get(lbl_id).unwrap(); [INFO] [stdout] | ----------- immutable borrow occurs here [INFO] [stdout] 354 | ... self.branch(*idx); [INFO] [stdout] | ^^^^ ---- immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/machine.rs:364:33 [INFO] [stdout] | [INFO] [stdout] 363 | ... let idx = self.labels.get(lbl_id).unwrap(); [INFO] [stdout] | ----------- immutable borrow occurs here [INFO] [stdout] 364 | ... self.branch(*idx); [INFO] [stdout] | ^^^^ ---- immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/machine.rs:312:25 [INFO] [stdout] | [INFO] [stdout] 311 | let idx = self.labels.get(lbl_id).unwrap(); [INFO] [stdout] | ----------- immutable borrow occurs here [INFO] [stdout] 312 | self.branch(*idx); [INFO] [stdout] | ^^^^ ---- immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/machine.rs:323:33 [INFO] [stdout] | [INFO] [stdout] 322 | ... let idx = self.labels.get(lbl_id).unwrap(); [INFO] [stdout] | ----------- immutable borrow occurs here [INFO] [stdout] 323 | ... self.branch(*idx); [INFO] [stdout] | ^^^^ ---- immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/machine.rs:333:33 [INFO] [stdout] | [INFO] [stdout] 332 | ... let idx = self.labels.get(lbl_id).unwrap(); [INFO] [stdout] | ----------- immutable borrow occurs here [INFO] [stdout] 333 | ... self.branch(*idx); [INFO] [stdout] | ^^^^ ---- immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/machine.rs:404:25 [INFO] [stdout] | [INFO] [stdout] 403 | let value = self.globals.get(index).unwrap(); [INFO] [stdout] | ------------ immutable borrow occurs here [INFO] [stdout] 404 | self.set(*reg, *value); [INFO] [stdout] | ^^^^ ------ immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.55s [INFO] running `Command { std: "docker" "inspect" "2330ef4a3a104e2fc61331d705216f84ac82d2df34a16a8174f11a634ca7e25e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2330ef4a3a104e2fc61331d705216f84ac82d2df34a16a8174f11a634ca7e25e", kill_on_drop: false }` [INFO] [stdout] 2330ef4a3a104e2fc61331d705216f84ac82d2df34a16a8174f11a634ca7e25e