[INFO] updating cached repository https://github.com/gcao/gene.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2aafa09eda1b11f6b217713515bc1b48f83e85f7
[INFO] testing gcao/gene.rs against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgcao%2Fgene.rs" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gcao/gene.rs on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gcao/gene.rs
[INFO] finished tweaking git repo https://github.com/gcao/gene.rs
[INFO] tweaked toml for git repo https://github.com/gcao/gene.rs written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/gcao/gene.rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a0fb6fe9b997ec18a7bfa888487389d6babaa51684c7d1a73b45672559a5e55
[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" "8a0fb6fe9b997ec18a7bfa888487389d6babaa51684c7d1a73b45672559a5e55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a0fb6fe9b997ec18a7bfa888487389d6babaa51684c7d1a73b45672559a5e55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a0fb6fe9b997ec18a7bfa888487389d6babaa51684c7d1a73b45672559a5e55", kill_on_drop: false }`
[INFO] [stdout] 8a0fb6fe9b997ec18a7bfa888487389d6babaa51684c7d1a73b45672559a5e55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--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] fbcde801675670fc52eb6cf5324ff98906d26a0e741a743bd24d48f05ec36889
[INFO] running `Command { std: "docker" "start" "-a" "fbcde801675670fc52eb6cf5324ff98906d26a0e741a743bd24d48f05ec36889", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]    Compiling ego-tree v0.6.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.0
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.0
[INFO] [stderr]    Compiling ordered-float v1.0.1
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]    Compiling rand v0.6.0
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling uuid v0.7.1
[INFO] [stderr]    Compiling gene v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/compiler2.rs:494:34
[INFO] [stdout]     |
[INFO] [stdout] 494 |     pub fn use_member(&mut self, name: &str) -> bool {
[INFO] [stdout]     |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/compiler.rs:295:9
[INFO] [stdout]     |
[INFO] [stdout] 295 |         mem::replace(&mut (*block).instructions[cond_jump_index], Instruction::JumpIfFalse(else_start as i16));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/compiler.rs:296:9
[INFO] [stdout]     |
[INFO] [stdout] 296 |         mem::replace(&mut (*block).instructions[then_jump_index], Instruction::Jump(end_index as i16));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/compiler.rs:316:9
[INFO] [stdout]     |
[INFO] [stdout] 316 |         mem::replace(&mut (*block).instructions[jump_index], Instruction::JumpIfFalse(end_index as i16));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/compiler2.rs:376:29
[INFO] [stdout]     |
[INFO] [stdout] 376 | ...                   mem::replace(&mut (*block).instructions[i], Instruction::JumpIfFalse(else_pos as i16));
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/compiler2.rs:379:29
[INFO] [stdout]     |
[INFO] [stdout] 379 | ...                   mem::replace(&mut (*block).instructions[i], Instruction::Jump(end_pos as i16));
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/compiler2.rs:455:17
[INFO] [stdout]     |
[INFO] [stdout] 455 |                 mem::replace(&mut (*block).instructions[jump_pos], Instruction::JumpIfFalse(end_pos as i16));
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.54s
[INFO] running `Command { std: "docker" "inspect" "fbcde801675670fc52eb6cf5324ff98906d26a0e741a743bd24d48f05ec36889", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbcde801675670fc52eb6cf5324ff98906d26a0e741a743bd24d48f05ec36889", kill_on_drop: false }`
[INFO] [stdout] fbcde801675670fc52eb6cf5324ff98906d26a0e741a743bd24d48f05ec36889
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee3e6e0bd2527da15e6a6a149f265d811ad9730492b4d5d640cfbaf8c81699eb
[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" "ee3e6e0bd2527da15e6a6a149f265d811ad9730492b4d5d640cfbaf8c81699eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.11
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling cast v0.2.2
[INFO] [stderr]    Compiling same-file v1.0.5
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/compiler2.rs:494:34
[INFO] [stdout]     |
[INFO] [stdout] 494 |     pub fn use_member(&mut self, name: &str) -> bool {
[INFO] [stdout]     |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/compiler.rs:295:9
[INFO] [stdout]     |
[INFO] [stdout] 295 |         mem::replace(&mut (*block).instructions[cond_jump_index], Instruction::JumpIfFalse(else_start as i16));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/compiler.rs:296:9
[INFO] [stdout]     |
[INFO] [stdout] 296 |         mem::replace(&mut (*block).instructions[then_jump_index], Instruction::Jump(end_index as i16));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/compiler.rs:316:9
[INFO] [stdout]     |
[INFO] [stdout] 316 |         mem::replace(&mut (*block).instructions[jump_index], Instruction::JumpIfFalse(end_index as i16));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/compiler2.rs:376:29
[INFO] [stdout]     |
[INFO] [stdout] 376 | ...                   mem::replace(&mut (*block).instructions[i], Instruction::JumpIfFalse(else_pos as i16));
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/compiler2.rs:379:29
[INFO] [stdout]     |
[INFO] [stdout] 379 | ...                   mem::replace(&mut (*block).instructions[i], Instruction::Jump(end_pos as i16));
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/compiler2.rs:455:17
[INFO] [stdout]     |
[INFO] [stdout] 455 |                 mem::replace(&mut (*block).instructions[jump_pos], Instruction::JumpIfFalse(end_pos as i16));
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling walkdir v2.2.9
[INFO] [stderr]    Compiling regex-automata v0.1.8
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_xoshiro v0.3.1
[INFO] [stderr]    Compiling rand_os v0.2.2
[INFO] [stderr]    Compiling bstr v0.2.8
[INFO] [stderr]    Compiling csv-core v0.1.6
[INFO] [stderr]    Compiling rayon v1.2.0
[INFO] [stderr]    Compiling criterion-plot v0.4.0
[INFO] [stderr]    Compiling tinytemplate v1.0.2
[INFO] [stderr]    Compiling csv v1.1.1
[INFO] [stderr]    Compiling criterion v0.3.0
[INFO] [stderr]    Compiling gene v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/compiler2.rs:494:34
[INFO] [stdout]     |
[INFO] [stdout] 494 |     pub fn use_member(&mut self, name: &str) -> bool {
[INFO] [stdout]     |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/compiler.rs:295:9
[INFO] [stdout]     |
[INFO] [stdout] 295 |         mem::replace(&mut (*block).instructions[cond_jump_index], Instruction::JumpIfFalse(else_start as i16));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/compiler.rs:296:9
[INFO] [stdout]     |
[INFO] [stdout] 296 |         mem::replace(&mut (*block).instructions[then_jump_index], Instruction::Jump(end_index as i16));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/compiler.rs:316:9
[INFO] [stdout]     |
[INFO] [stdout] 316 |         mem::replace(&mut (*block).instructions[jump_index], Instruction::JumpIfFalse(end_index as i16));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/compiler2.rs:376:29
[INFO] [stdout]     |
[INFO] [stdout] 376 | ...                   mem::replace(&mut (*block).instructions[i], Instruction::JumpIfFalse(else_pos as i16));
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/compiler2.rs:379:29
[INFO] [stdout]     |
[INFO] [stdout] 379 | ...                   mem::replace(&mut (*block).instructions[i], Instruction::Jump(end_pos as i16));
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/compiler2.rs:455:17
[INFO] [stdout]     |
[INFO] [stdout] 455 |                 mem::replace(&mut (*block).instructions[jump_pos], Instruction::JumpIfFalse(end_pos as i16));
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 43.10s
[INFO] running `Command { std: "docker" "inspect" "ee3e6e0bd2527da15e6a6a149f265d811ad9730492b4d5d640cfbaf8c81699eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee3e6e0bd2527da15e6a6a149f265d811ad9730492b4d5d640cfbaf8c81699eb", kill_on_drop: false }`
[INFO] [stdout] ee3e6e0bd2527da15e6a6a149f265d811ad9730492b4d5d640cfbaf8c81699eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] aff27b40e6bc870676b97ffe9348ed710a5221b816a2a050c3d29381b27aa063
[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" "aff27b40e6bc870676b97ffe9348ed710a5221b816a2a050c3d29381b27aa063", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/compiler2.rs:494:34
[INFO] [stderr]     |
[INFO] [stderr] 494 |     pub fn use_member(&mut self, name: &str) -> bool {
[INFO] [stderr]     |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/compiler.rs:295:9
[INFO] [stderr]     |
[INFO] [stderr] 295 |         mem::replace(&mut (*block).instructions[cond_jump_index], Instruction::JumpIfFalse(else_start as i16));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/compiler.rs:296:9
[INFO] [stderr]     |
[INFO] [stderr] 296 |         mem::replace(&mut (*block).instructions[then_jump_index], Instruction::Jump(end_index as i16));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/compiler.rs:316:9
[INFO] [stderr]     |
[INFO] [stderr] 316 |         mem::replace(&mut (*block).instructions[jump_index], Instruction::JumpIfFalse(end_index as i16));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/compiler2.rs:376:29
[INFO] [stderr]     |
[INFO] [stderr] 376 | ...                   mem::replace(&mut (*block).instructions[i], Instruction::JumpIfFalse(else_pos as i16));
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/compiler2.rs:379:29
[INFO] [stderr]     |
[INFO] [stderr] 379 | ...                   mem::replace(&mut (*block).instructions[i], Instruction::Jump(end_pos as i16));
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/compiler2.rs:455:17
[INFO] [stderr]     |
[INFO] [stderr] 455 |                 mem::replace(&mut (*block).instructions[jump_pos], Instruction::JumpIfFalse(end_pos as i16));
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/compiler2.rs:494:34
[INFO] [stderr]     |
[INFO] [stderr] 494 |     pub fn use_member(&mut self, name: &str) -> bool {
[INFO] [stderr]     |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/compiler.rs:295:9
[INFO] [stderr]     |
[INFO] [stderr] 295 |         mem::replace(&mut (*block).instructions[cond_jump_index], Instruction::JumpIfFalse(else_start as i16));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/compiler.rs:296:9
[INFO] [stderr]     |
[INFO] [stderr] 296 |         mem::replace(&mut (*block).instructions[then_jump_index], Instruction::Jump(end_index as i16));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/compiler.rs:316:9
[INFO] [stderr]     |
[INFO] [stderr] 316 |         mem::replace(&mut (*block).instructions[jump_index], Instruction::JumpIfFalse(end_index as i16));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/compiler2.rs:376:29
[INFO] [stderr]     |
[INFO] [stderr] 376 | ...                   mem::replace(&mut (*block).instructions[i], Instruction::JumpIfFalse(else_pos as i16));
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/compiler2.rs:379:29
[INFO] [stderr]     |
[INFO] [stderr] 379 | ...                   mem::replace(&mut (*block).instructions[i], Instruction::Jump(end_pos as i16));
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/compiler2.rs:455:17
[INFO] [stderr]     |
[INFO] [stderr] 455 |                 mem::replace(&mut (*block).instructions[jump_pos], Instruction::JumpIfFalse(end_pos as i16));
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.29s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/gene-d7ae2d13b43a9eb6
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/gene-393be4901e651339
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/compiler2_vm_tests-39eb2d14eb893913
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test test_assignments ... ok
[INFO] [stdout] test test_binary_operations ... ok
[INFO] [stdout] test test_ifs ... ok
[INFO] [stdout] test test_loops ... ok
[INFO] [stdout] test test_fibonacci ... ok
[INFO] [stdout] test test_basic_stmts ... ok
[INFO] [stdout] test test_variables ... ok
[INFO] [stdout] test test_functions ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/parser_tests-4efe69590fa6ff75
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test test_parse_one_string ... ok
[INFO] [stdout] test test_parse_stream ... ok
[INFO] [stdout] test test_read_array ... ok
[INFO] [stdout] test test_read_empty_input ... ok
[INFO] [stdout] test test_read_keywords ... ok
[INFO] [stdout] test test_quote ... ok
[INFO] [stdout] test test_read_string ... ok
[INFO] [stdout] test test_read_symbols ... ok
[INFO] [stdout] test test_read_gene ... ok
[INFO] [stdout] test test_skip_comment ... ok
[INFO] [stdout] test test_read_map ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/vm_tests-b75ef62c91231452
[INFO] [stdout] test test_read_number ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test test_assignments ... ok
[INFO] [stdout] test test_fibonacci ... ok
[INFO] [stdout] test test_functions ... ok
[INFO] [stdout] test test_loops ... ok
[INFO] [stdout] test test_ifs ... ok
[INFO] [stdout] test test_variables ... ok
[INFO] [stdout] test test_basic_stmts ... ok
[INFO] [stdout] test test_binary_operations ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/wip_tests-9c206f01d11cf55e
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests gene
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "aff27b40e6bc870676b97ffe9348ed710a5221b816a2a050c3d29381b27aa063", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aff27b40e6bc870676b97ffe9348ed710a5221b816a2a050c3d29381b27aa063", kill_on_drop: false }`
[INFO] [stdout] aff27b40e6bc870676b97ffe9348ed710a5221b816a2a050c3d29381b27aa063