[INFO] updating cached repository robinvd/vm [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/robinvd/vm [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/robinvd/vm" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/robinvd/vm"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/robinvd/vm'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/robinvd/vm" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/robinvd/vm"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/robinvd/vm'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 841ea10727e816623721ed35a728c489af5a7213 [INFO] sha for GitHub repo robinvd/vm: 841ea10727e816623721ed35a728c489af5a7213 [INFO] validating manifest of robinvd/vm on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of robinvd/vm on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing robinvd/vm [INFO] finished frobbing robinvd/vm [INFO] frobbed toml for robinvd/vm written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/robinvd/vm/Cargo.toml [INFO] started frobbing robinvd/vm [INFO] finished frobbing robinvd/vm [INFO] frobbed toml for robinvd/vm written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/robinvd/vm/Cargo.toml [INFO] crate robinvd/vm already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking robinvd/vm against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-1/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/robinvd/vm:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 6cbd6a57e34e31d239a3c4a0462aa9b48933a761a697946c81385f352f603eb3 [INFO] running `"docker" "start" "-a" "6cbd6a57e34e31d239a3c4a0462aa9b48933a761a697946c81385f352f603eb3"` [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking itertools v0.7.8 [INFO] [stderr] Compiling syn v0.15.17 [INFO] [stderr] Checking csv-core v0.1.4 [INFO] [stderr] Checking combine v3.6.1 [INFO] [stderr] Checking simplelog v0.5.3 [INFO] [stderr] Checking handlebars v0.32.4 [INFO] [stderr] Checking csv v1.0.2 [INFO] [stderr] Checking criterion-plot v0.2.5 [INFO] [stderr] Compiling synstructure v0.10.1 [INFO] [stderr] Compiling serde_derive v1.0.80 [INFO] [stderr] Compiling failure_derive v0.1.3 [INFO] [stderr] Checking failure v0.1.3 [INFO] [stderr] Checking criterion v0.2.5 [INFO] [stderr] Checking sabi v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/vm/mod.rs:662:27 [INFO] [stderr] | [INFO] [stderr] 662 | output: Arc>>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn io::Write + 'write` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/vm/mod.rs:668:28 [INFO] [stderr] | [INFO] [stderr] 668 | pub fn new(output: Box) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn io::Write + 'a + Sync` [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/compiler/mod.rs:105:17 [INFO] [stderr] | [INFO] [stderr] 101 | let loc = self [INFO] [stderr] | ___________________________- [INFO] [stderr] 102 | | .names [INFO] [stderr] | |__________________________- immutable borrow occurs here [INFO] [stderr] ... [INFO] [stderr] 105 | self.add_opcode(vm, Opcode::Load, Some(&Arg::Int(*loc as isize)))?; [INFO] [stderr] | ^^^^ mutable borrow occurs here ---- immutable borrow later used here [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/vm/mod.rs:662:27 [INFO] [stderr] | [INFO] [stderr] 662 | output: Arc>>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn io::Write + 'write` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/vm/mod.rs:668:28 [INFO] [stderr] | [INFO] [stderr] 668 | pub fn new(output: Box) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn io::Write + 'a + Sync` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/vm/mod.rs:296:17 [INFO] [stderr] | [INFO] [stderr] 296 | writeln!(data, "{}", val); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/vm/mod.rs:420:9 [INFO] [stderr] | [INFO] [stderr] 420 | writeln!(f, "{}:", self.name); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/vm/mod.rs:429:13 [INFO] [stderr] | [INFO] [stderr] 429 | write!(f, "{:04x}: {:?}", i, op); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/vm/mod.rs:437:17 [INFO] [stderr] | [INFO] [stderr] 437 | write!(f, " {}", num); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/vm/mod.rs:441:13 [INFO] [stderr] | [INFO] [stderr] 441 | writeln!(f); [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/vm/mod.rs:444:9 [INFO] [stderr] | [INFO] [stderr] 444 | writeln!(f, "labels {:?}", self.labels); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/vm/mod.rs:445:9 [INFO] [stderr] | [INFO] [stderr] 445 | writeln!(f, "labeli {:?}", self.label_index); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/vm/mod.rs:446:9 [INFO] [stderr] | [INFO] [stderr] 446 | writeln!(f, "const {:?}", self.constants); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/compiler/mod.rs:105:17 [INFO] [stderr] | [INFO] [stderr] 101 | let loc = self [INFO] [stderr] | ___________________________- [INFO] [stderr] 102 | | .names [INFO] [stderr] | |__________________________- immutable borrow occurs here [INFO] [stderr] ... [INFO] [stderr] 105 | self.add_opcode(vm, Opcode::Load, Some(&Arg::Int(*loc as isize)))?; [INFO] [stderr] | ^^^^ mutable borrow occurs here ---- immutable borrow later used here [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/vm/mod.rs:296:17 [INFO] [stderr] | [INFO] [stderr] 296 | writeln!(data, "{}", val); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/vm/mod.rs:420:9 [INFO] [stderr] | [INFO] [stderr] 420 | writeln!(f, "{}:", self.name); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/vm/mod.rs:429:13 [INFO] [stderr] | [INFO] [stderr] 429 | write!(f, "{:04x}: {:?}", i, op); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/vm/mod.rs:437:17 [INFO] [stderr] | [INFO] [stderr] 437 | write!(f, " {}", num); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/vm/mod.rs:441:13 [INFO] [stderr] | [INFO] [stderr] 441 | writeln!(f); [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/vm/mod.rs:444:9 [INFO] [stderr] | [INFO] [stderr] 444 | writeln!(f, "labels {:?}", self.labels); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/vm/mod.rs:445:9 [INFO] [stderr] | [INFO] [stderr] 445 | writeln!(f, "labeli {:?}", self.label_index); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/vm/mod.rs:446:9 [INFO] [stderr] | [INFO] [stderr] 446 | writeln!(f, "const {:?}", self.constants); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> benches/benchmark.rs:23:44 [INFO] [stderr] | [INFO] [stderr] 23 | fn load_vm<'a>(input: &'a str, buffer: Box<'a + std::io::Write + Sync>) -> VM<'a> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'a + std::io::Write + Sync` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 01s [INFO] running `"docker" "inspect" "6cbd6a57e34e31d239a3c4a0462aa9b48933a761a697946c81385f352f603eb3"` [INFO] running `"docker" "rm" "-f" "6cbd6a57e34e31d239a3c4a0462aa9b48933a761a697946c81385f352f603eb3"` [INFO] [stdout] 6cbd6a57e34e31d239a3c4a0462aa9b48933a761a697946c81385f352f603eb3