[INFO] cloning repository https://github.com/P1start/753 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/P1start/753" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FP1start%2F753", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FP1start%2F753'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a8665b11724bba0bed27fdabecefe850480d4f85 [INFO] testing P1start/753 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FP1start%2F753" "/workspace/builds/worker-83/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-83/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/P1start/753 on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/P1start/753 [INFO] finished tweaking git repo https://github.com/P1start/753 [INFO] tweaked toml for git repo https://github.com/P1start/753 written to /workspace/builds/worker-83/source/Cargo.toml [INFO] crate git repo https://github.com/P1start/753 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", 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] Downloading crates ... [INFO] [stderr] Downloaded fuchsia-zircon-sys v0.3.2 [INFO] [stderr] Downloaded rand v0.4.1 [INFO] [stderr] Downloaded fuchsia-zircon v0.3.2 [INFO] [stderr] Downloaded llvm-sys v40.0.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1dbd9f3d31934a55de34445c55f3bf588aa50d8fd13a51d7e1ee033ae5104ef0 [INFO] running `Command { std: "docker" "start" "-a" "1dbd9f3d31934a55de34445c55f3bf588aa50d8fd13a51d7e1ee033ae5104ef0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1dbd9f3d31934a55de34445c55f3bf588aa50d8fd13a51d7e1ee033ae5104ef0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1dbd9f3d31934a55de34445c55f3bf588aa50d8fd13a51d7e1ee033ae5104ef0", kill_on_drop: false }` [INFO] [stdout] 1dbd9f3d31934a55de34445c55f3bf588aa50d8fd13a51d7e1ee033ae5104ef0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] baeec2c29b39c276a26fc958f939662192348d77d401903062caaad55648ff60 [INFO] running `Command { std: "docker" "start" "-a" "baeec2c29b39c276a26fc958f939662192348d77d401903062caaad55648ff60", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.34 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling lazy_static v1.0.0 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling utf8-ranges v1.0.0 [INFO] [stderr] Compiling regex-syntax v0.4.1 [INFO] [stderr] Compiling gcc v0.3.54 [INFO] [stderr] Compiling lazy_static v0.2.11 [INFO] [stderr] Compiling unreachable v1.0.0 [INFO] [stderr] Compiling thread_local v0.3.5 [INFO] [stderr] Compiling semver v0.6.0 [INFO] [stderr] Compiling memchr v2.0.1 [INFO] [stderr] Compiling rand v0.4.1 [INFO] [stderr] Compiling aho-corasick v0.6.4 [INFO] [stderr] Compiling regex v0.2.3 [INFO] [stderr] Compiling llvm-sys v40.0.5 [INFO] [stderr] Compiling _753 v0.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/parse.rs:136:17 [INFO] [stdout] | [INFO] [stdout] 136 | '0' ... '9' | 'a' ... 'z' | 'A' ... 'Z' | '-' | '_' => true, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/parse.rs:136:31 [INFO] [stdout] | [INFO] [stdout] 136 | '0' ... '9' | 'a' ... 'z' | 'A' ... 'Z' | '-' | '_' => true, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/parse.rs:136:45 [INFO] [stdout] | [INFO] [stdout] 136 | '0' ... '9' | 'a' ... 'z' | 'A' ... 'Z' | '-' | '_' => true, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/llvm.rs:163:13 [INFO] [stdout] | [INFO] [stdout] 163 | try!(write!(f, "{}", c_str.to_str().unwrap())); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/llvm.rs:138:31 [INFO] [stdout] | [INFO] [stdout] 138 | let mut ee = mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/llvm.rs:304:39 [INFO] [stdout] | [INFO] [stdout] 304 | let mut out_module = mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/compile.rs:321:25 [INFO] [stdout] | [INFO] [stdout] 321 | let mut new_mir = MirBuilder::new(new_name, expr); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/compile.rs:408:21 [INFO] [stdout] | [INFO] [stdout] 408 | let mut predecessors = mir.bbs.iter().enumerate().filter_map(|(i, x)| match x.terminator { [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `module` [INFO] [stdout] --> src/compile.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | module: Module, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 49.36s [INFO] running `Command { std: "docker" "inspect" "baeec2c29b39c276a26fc958f939662192348d77d401903062caaad55648ff60", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "baeec2c29b39c276a26fc958f939662192348d77d401903062caaad55648ff60", kill_on_drop: false }` [INFO] [stdout] baeec2c29b39c276a26fc958f939662192348d77d401903062caaad55648ff60 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cab3a08442fdf96b37594af2a63d2d1d5a0ae99c5f9c2274a571c104b3e16c2f [INFO] running `Command { std: "docker" "start" "-a" "cab3a08442fdf96b37594af2a63d2d1d5a0ae99c5f9c2274a571c104b3e16c2f", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling _753 v0.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/parse.rs:136:17 [INFO] [stdout] | [INFO] [stdout] 136 | '0' ... '9' | 'a' ... 'z' | 'A' ... 'Z' | '-' | '_' => true, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/parse.rs:136:31 [INFO] [stdout] | [INFO] [stdout] 136 | '0' ... '9' | 'a' ... 'z' | 'A' ... 'Z' | '-' | '_' => true, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/parse.rs:136:45 [INFO] [stdout] | [INFO] [stdout] 136 | '0' ... '9' | 'a' ... 'z' | 'A' ... 'Z' | '-' | '_' => true, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/llvm.rs:163:13 [INFO] [stdout] | [INFO] [stdout] 163 | try!(write!(f, "{}", c_str.to_str().unwrap())); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/llvm.rs:138:31 [INFO] [stdout] | [INFO] [stdout] 138 | let mut ee = mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/llvm.rs:304:39 [INFO] [stdout] | [INFO] [stdout] 304 | let mut out_module = mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/compile.rs:321:25 [INFO] [stdout] | [INFO] [stdout] 321 | let mut new_mir = MirBuilder::new(new_name, expr); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/compile.rs:408:21 [INFO] [stdout] | [INFO] [stdout] 408 | let mut predecessors = mir.bbs.iter().enumerate().filter_map(|(i, x)| match x.terminator { [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `module` [INFO] [stdout] --> src/compile.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | module: Module, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 38.16s [INFO] running `Command { std: "docker" "inspect" "cab3a08442fdf96b37594af2a63d2d1d5a0ae99c5f9c2274a571c104b3e16c2f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cab3a08442fdf96b37594af2a63d2d1d5a0ae99c5f9c2274a571c104b3e16c2f", kill_on_drop: false }` [INFO] [stdout] cab3a08442fdf96b37594af2a63d2d1d5a0ae99c5f9c2274a571c104b3e16c2f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 368bd9dde710836630d6c206f697e71297a28649974d3af906cafce669556ec6 [INFO] running `Command { std: "docker" "start" "-a" "368bd9dde710836630d6c206f697e71297a28649974d3af906cafce669556ec6", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/parse.rs:136:17 [INFO] [stderr] | [INFO] [stderr] 136 | '0' ... '9' | 'a' ... 'z' | 'A' ... 'Z' | '-' | '_' => true, [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/parse.rs:136:31 [INFO] [stderr] | [INFO] [stderr] 136 | '0' ... '9' | 'a' ... 'z' | 'A' ... 'Z' | '-' | '_' => true, [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/parse.rs:136:45 [INFO] [stderr] | [INFO] [stderr] 136 | '0' ... '9' | 'a' ... 'z' | 'A' ... 'Z' | '-' | '_' => true, [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/llvm.rs:163:13 [INFO] [stderr] | [INFO] [stderr] 163 | try!(write!(f, "{}", c_str.to_str().unwrap())); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stderr] --> src/llvm.rs:138:31 [INFO] [stderr] | [INFO] [stderr] 138 | let mut ee = mem::uninitialized(); [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stderr] --> src/llvm.rs:304:39 [INFO] [stderr] | [INFO] [stderr] 304 | let mut out_module = mem::uninitialized(); [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/compile.rs:321:25 [INFO] [stderr] | [INFO] [stderr] 321 | let mut new_mir = MirBuilder::new(new_name, expr); [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/compile.rs:408:21 [INFO] [stderr] | [INFO] [stderr] 408 | let mut predecessors = mir.bbs.iter().enumerate().filter_map(|(i, x)| match x.terminator { [INFO] [stderr] | ----^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: field is never read: `module` [INFO] [stderr] --> src/compile.rs:38:5 [INFO] [stderr] | [INFO] [stderr] 38 | module: Module, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `_753` (bin "_753" test) generated 9 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.05s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/_753-28426889ccea4427) [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stderr] error: test failed, to rerun pass '--bin _753' [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/deps/_753-28426889ccea4427` (signal: 11, SIGSEGV: invalid memory reference) [INFO] running `Command { std: "docker" "inspect" "368bd9dde710836630d6c206f697e71297a28649974d3af906cafce669556ec6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "368bd9dde710836630d6c206f697e71297a28649974d3af906cafce669556ec6", kill_on_drop: false }` [INFO] [stdout] 368bd9dde710836630d6c206f697e71297a28649974d3af906cafce669556ec6