[INFO] updating cached repository https://github.com/gcao/gene.rs
[INFO] running `"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"`
[INFO] [stderr] From https://github.com/gcao/gene.rs
[INFO] [stderr]  * [new branch]      vm-optimization-3-scopes2 -> vm-optimization-3-scopes2
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2aafa09eda1b11f6b217713515bc1b48f83e85f7
[INFO] testing gcao/gene.rs against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgcao%2Fgene.rs" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gcao/gene.rs on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-2/source/Cargo.toml
[INFO] crate git repo https://github.com/gcao/gene.rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8c2c8743455db4574436f1cc9318206306cb3df45f56f055a78f53aebcaa3112
[INFO] running `"docker" "start" "-a" "8c2c8743455db4574436f1cc9318206306cb3df45f56f055a78f53aebcaa3112"`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling rand_core v0.3.0
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]    Compiling ordered-float v1.0.1
[INFO] [stderr]    Compiling rand_core v0.2.2
[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 semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[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] [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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.95s
[INFO] running `"docker" "inspect" "8c2c8743455db4574436f1cc9318206306cb3df45f56f055a78f53aebcaa3112"`
[INFO] running `"docker" "rm" "-f" "8c2c8743455db4574436f1cc9318206306cb3df45f56f055a78f53aebcaa3112"`
[INFO] [stdout] 8c2c8743455db4574436f1cc9318206306cb3df45f56f055a78f53aebcaa3112
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 15b22fb119198683dfd838434ec95f7c565f1c75492859d07de4f923174c90b8
[INFO] running `"docker" "start" "-a" "15b22fb119198683dfd838434ec95f7c565f1c75492859d07de4f923174c90b8"`
[INFO] [stderr]    Compiling getrandom v0.1.11
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.2
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling criterion-plot v0.4.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling regex-automata v0.1.8
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling rand_os v0.2.2
[INFO] [stderr]    Compiling rand_xoshiro v0.3.1
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling bstr v0.2.8
[INFO] [stderr]    Compiling csv-core v0.1.6
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling rayon v1.2.0
[INFO] [stderr]    Compiling csv v1.1.1
[INFO] [stderr]    Compiling tinytemplate v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]    Compiling criterion v0.3.0
[INFO] [stderr]    Compiling gene v0.1.0 (/opt/rustwide/workdir)
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 29s
[INFO] running `"docker" "inspect" "15b22fb119198683dfd838434ec95f7c565f1c75492859d07de4f923174c90b8"`
[INFO] running `"docker" "rm" "-f" "15b22fb119198683dfd838434ec95f7c565f1c75492859d07de4f923174c90b8"`
[INFO] [stdout] 15b22fb119198683dfd838434ec95f7c565f1c75492859d07de4f923174c90b8
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 474a31a641a8494617dcd1d3c02a228693b505c1a4dd13d03b29baa8d2e608bd
[INFO] running `"docker" "start" "-a" "474a31a641a8494617dcd1d3c02a228693b505c1a4dd13d03b29baa8d2e608bd"`
[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: 1 warning 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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.39s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/gene-1a50ad719c9fc094
[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/gene-a78797b8161646e4
[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-59d28b27d008613c
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test test_fibonacci ... ok
[INFO] [stdout] test test_variables ... ok
[INFO] [stdout] test test_loops ... ok
[INFO] [stdout] test test_binary_operations ... ok
[INFO] [stdout] test test_assignments ... ok
[INFO] [stdout] test test_ifs ... ok
[INFO] [stdout] test test_functions ... ok
[INFO] [stdout] test test_basic_stmts ... 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-f5f911e41f9e5969
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test test_parse_stream ... ok
[INFO] [stdout] test test_read_empty_input ... ok
[INFO] [stdout] test test_parse_one_string ... ok
[INFO] [stdout] test test_quote ... ok
[INFO] [stdout] test test_read_array ... ok
[INFO] [stdout] test test_read_gene ... ok
[INFO] [stdout] test test_read_keywords ... ok
[INFO] [stdout] test test_read_symbols ... ok
[INFO] [stdout] test test_read_string ... ok
[INFO] [stdout] test test_skip_comment ... ok
[INFO] [stdout] test test_read_map ... ok
[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] [stderr]      Running /opt/rustwide/target/debug/deps/vm_tests-b8310175c027ce8b
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test test_functions ... ok
[INFO] [stdout] test test_binary_operations ... ok
[INFO] [stdout] test test_fibonacci ... ok
[INFO] [stdout] test test_basic_stmts ... ok
[INFO] [stdout] test test_assignments ... ok
[INFO] [stdout] test test_ifs ... ok
[INFO] [stdout] test test_loops ... ok
[INFO] [stdout] test test_variables ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/wip_tests-9e54f40eba9145f1
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 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]    Doc-tests gene
[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 `"docker" "inspect" "474a31a641a8494617dcd1d3c02a228693b505c1a4dd13d03b29baa8d2e608bd"`
[INFO] running `"docker" "rm" "-f" "474a31a641a8494617dcd1d3c02a228693b505c1a4dd13d03b29baa8d2e608bd"`
[INFO] [stdout] 474a31a641a8494617dcd1d3c02a228693b505c1a4dd13d03b29baa8d2e608bd