[INFO] fetching crate jazz 0.2.2... [INFO] checking jazz-0.2.2 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920 [INFO] extracting crate jazz 0.2.2 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate jazz 0.2.2 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "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] d59bbe78f021d13a6a068a58454b0bc79f64d53de68eef85dc591d3c551d8bef [INFO] running `Command { std: "docker" "start" "-a" "d59bbe78f021d13a6a068a58454b0bc79f64d53de68eef85dc591d3c551d8bef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d59bbe78f021d13a6a068a58454b0bc79f64d53de68eef85dc591d3c551d8bef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d59bbe78f021d13a6a068a58454b0bc79f64d53de68eef85dc591d3c551d8bef", kill_on_drop: false }` [INFO] [stdout] d59bbe78f021d13a6a068a58454b0bc79f64d53de68eef85dc591d3c551d8bef [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9bcc6bfc119ede92da57b0edb613ed3880d83f9cae08c10563dc0e5280d0a2fa [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" "9bcc6bfc119ede92da57b0edb613ed3880d83f9cae08c10563dc0e5280d0a2fa", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.94 [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: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] = 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: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] = 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] = 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: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] = 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: 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 2.06s [INFO] running `Command { std: "docker" "inspect" "9bcc6bfc119ede92da57b0edb613ed3880d83f9cae08c10563dc0e5280d0a2fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9bcc6bfc119ede92da57b0edb613ed3880d83f9cae08c10563dc0e5280d0a2fa", kill_on_drop: false }` [INFO] [stdout] 9bcc6bfc119ede92da57b0edb613ed3880d83f9cae08c10563dc0e5280d0a2fa