[INFO] fetching crate gluon 0.17.2...
[INFO] checking gluon-0.17.2 against master#31ee872db5aae4750e3da1ca4ed1523c4356947f for pr-78461
[INFO] extracting crate gluon 0.17.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate gluon 0.17.2 on toolchain 31ee872db5aae4750e3da1ca4ed1523c4356947f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gluon 0.17.2
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate gluon 0.17.2
[INFO] tweaked toml for crates.io crate gluon 0.17.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate gluon 0.17.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "fetch" "--locked" "--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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb84b65aa18ac0c8f94b4efbad7b547f0196920683f809ee83b4836f9b3ee98b
[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" "cb84b65aa18ac0c8f94b4efbad7b547f0196920683f809ee83b4836f9b3ee98b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb84b65aa18ac0c8f94b4efbad7b547f0196920683f809ee83b4836f9b3ee98b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb84b65aa18ac0c8f94b4efbad7b547f0196920683f809ee83b4836f9b3ee98b", kill_on_drop: false }`
[INFO] [stdout] cb84b65aa18ac0c8f94b4efbad7b547f0196920683f809ee83b4836f9b3ee98b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 815df26f96188207de14ba8faa0ce8fd9ff26267569a332d943c1a160024bef2
[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" "815df26f96188207de14ba8faa0ce8fd9ff26267569a332d943c1a160024bef2", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]    Compiling smallvec v1.4.1
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]    Compiling gluon_vm v0.17.2
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]    Compiling pulldown-cmark v0.7.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking codespan-reporting v0.9.5
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking terminal_size v0.1.13
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking clap v2.33.2
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking ordered-float v2.0.0
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling gluon_codegen v0.17.2
[INFO] [stderr]    Compiling async-trait v0.1.36
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]     Checking codespan v0.9.5
[INFO] [stderr]     Checking console v0.11.3
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]    Compiling structopt-derive v0.3.5
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking rayon v1.3.1
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]    Compiling structopt-derive v0.4.9
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking gluon_base v0.17.2
[INFO] [stderr]     Checking structopt v0.3.16
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking gluon-salsa v0.15.2
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking tensile v0.6.3
[INFO] [stderr]     Checking gluon_check v0.17.2
[INFO] [stderr]     Checking gluon_format v0.17.2
[INFO] [stderr]     Checking gluon_completion v0.17.2
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]    Compiling gluon v0.17.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]    Compiling string_cache v0.8.0
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]     Checking tinytemplate v1.1.0
[INFO] [stderr]     Checking insta v0.16.1
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]    Compiling lalrpop v0.19.0
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stderr]    Compiling gluon_parser v0.17.2
[INFO] [stdout] error[E0432]: unresolved import `gluon::compiler_pipeline::compile_to`
[INFO] [stdout]  --> benches/precompiled.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 | use gluon::{compiler_pipeline::compile_to, new_vm, ThreadExt};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `compile_to` in `compiler_pipeline`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `gluon::compiler_pipeline::Precompiled`
[INFO] [stdout]   --> benches/precompiled.rs:35:52
[INFO] [stdout]    |
[INFO] [stdout] 35 |         use gluon::compiler_pipeline::{Executable, Precompiled};
[INFO] [stdout]    |                                                    ^^^^^^^^^^^ no `Precompiled` in `compiler_pipeline`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Executable`
[INFO] [stdout]   --> benches/precompiled.rs:35:40
[INFO] [stdout]    |
[INFO] [stdout] 35 |         use gluon::compiler_pipeline::{Executable, Precompiled};
[INFO] [stdout]    |                                        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gluon`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "815df26f96188207de14ba8faa0ce8fd9ff26267569a332d943c1a160024bef2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "815df26f96188207de14ba8faa0ce8fd9ff26267569a332d943c1a160024bef2", kill_on_drop: false }`
[INFO] [stdout] 815df26f96188207de14ba8faa0ce8fd9ff26267569a332d943c1a160024bef2