[INFO] cloning repository https://github.com/gluon-lang/gluon
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gluon-lang/gluon" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgluon-lang%2Fgluon", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgluon-lang%2Fgluon'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 27cec6c8ef90de7341d22a2beeade532680aa40c
[INFO] testing gluon-lang/gluon against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgluon-lang%2Fgluon" "/workspace/builds/worker-42/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-42/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gluon-lang/gluon on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gluon-lang/gluon
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/gluon-lang/gluon
[INFO] tweaked toml for git repo https://github.com/gluon-lang/gluon written to /workspace/builds/worker-42/source/Cargo.toml
[INFO] crate git repo https://github.com/gluon-lang/gluon already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lalrpop-util v0.19.0
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[INFO] [stderr]   Downloaded gluon-salsa v0.15.2
[INFO] [stderr]   Downloaded serde_state v0.4.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b83ee1f0fa655dab2a72e09bf8f6ddfd404b6ed11b21219018b727b77bc5d4fc
[INFO] running `Command { std: "docker" "start" "-a" "b83ee1f0fa655dab2a72e09bf8f6ddfd404b6ed11b21219018b727b77bc5d4fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b83ee1f0fa655dab2a72e09bf8f6ddfd404b6ed11b21219018b727b77bc5d4fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b83ee1f0fa655dab2a72e09bf8f6ddfd404b6ed11b21219018b727b77bc5d4fc", kill_on_drop: false }`
[INFO] [stdout] b83ee1f0fa655dab2a72e09bf8f6ddfd404b6ed11b21219018b727b77bc5d4fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f984af9dc0f0474456e551788cc528b0ef39170b34deeecf286dc58288b8dee0
[INFO] running `Command { std: "docker" "start" "-a" "f984af9dc0f0474456e551788cc528b0ef39170b34deeecf286dc58288b8dee0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.74
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[INFO] [stderr]    Compiling log v0.4.11
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[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling either v1.5.3
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[INFO] [stderr]    Compiling smallvec v1.4.1
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[INFO] [stderr]    Compiling unicode-width v0.1.8
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[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
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[INFO] [stderr]    Compiling pin-utils v0.1.0
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[INFO] [stderr]    Compiling instant v0.1.6
[INFO] [stderr]    Compiling static_assertions v0.3.4
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[INFO] [stderr]    Compiling gluon_vm v0.17.2 (/opt/rustwide/workdir/vm)
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[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling archery v0.3.0
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling lock_api v0.4.1
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling codespan-reporting v0.9.5
[INFO] [stderr]    Compiling rpds v0.7.0
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]    Compiling pretty v0.10.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling parking_lot_core v0.8.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling codespan v0.9.5
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling parking_lot v0.11.0
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_xorshift v0.2.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]    Compiling ordered-float v2.0.0
[INFO] [stderr]    Compiling gluon_codegen v0.17.2 (/opt/rustwide/workdir/codegen)
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling gluon-salsa-macros v0.15.2
[INFO] [stderr]    Compiling async-trait v0.1.36
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling tokio v0.2.22
[INFO] [stderr]    Compiling gluon_base v0.17.2 (/opt/rustwide/workdir/base)
[INFO] [stderr]    Compiling pin-project v0.4.23
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]     --> base/src/types/mod.rs:2793:22
[INFO] [stdout]      |
[INFO] [stdout] 2793 |                     .intersperse(arena.text(".")),
[INFO] [stdout]      |                      ^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]      = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> base/src/types/flags.rs:77:17
[INFO] [stdout]    |
[INFO] [stdout] 77 | /                 &mut FlagsVisitor(Flags::HAS_GENERICS, |typ: &T| match &**typ {
[INFO] [stdout] 78 | |                     Type::Generic(gen) => {
[INFO] [stdout] 79 | |                         unbound_generic |= params.iter().all(|param| param.id != gen.id)
[INFO] [stdout] 80 | |                     }
[INFO] [stdout] 81 | |                     _ => (),
[INFO] [stdout] 82 | |                 })
[INFO] [stdout] 83 | |                 .walk(typ);
[INFO] [stdout]    | |__________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling gluon_check v0.17.2 (/opt/rustwide/workdir/check)
[INFO] [stderr]    Compiling gluon_format v0.17.2 (/opt/rustwide/workdir/format)
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]    --> format/src/pretty_print.rs:180:30
[INFO] [stdout]     |
[INFO] [stdout] 180 | ...                   .intersperse(arena.text(",").append(arena.line())),
[INFO] [stdout]     |                        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]    --> format/src/pretty_print.rs:352:26
[INFO] [stdout]     |
[INFO] [stdout] 352 |                         .intersperse(arena.hardline())
[INFO] [stdout]     |                          ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling gluon v0.17.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling gluon-salsa v0.15.2
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling string_cache v0.8.0
[INFO] [stderr]    Compiling lalrpop v0.19.0
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]    --> vm/src/value.rs:736:34
[INFO] [stdout]     |
[INFO] [stdout] 736 | ...                   .intersperse(arena.text(","))
[INFO] [stdout]     |                        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]    --> vm/src/value.rs:755:30
[INFO] [stdout]     |
[INFO] [stdout] 755 | ...                   .intersperse(arena.text(",").append(arena.space()))
[INFO] [stdout]     |                        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]    --> vm/src/value.rs:830:26
[INFO] [stdout]     |
[INFO] [stdout] 830 |                         .intersperse(arena.space()),
[INFO] [stdout]     |                          ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]    --> vm/src/value.rs:876:30
[INFO] [stdout]     |
[INFO] [stdout] 876 | ...                   .intersperse(arena.text(","))
[INFO] [stdout]     |                        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gluon_vm`; 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name gluon_vm --edition=2018 vm/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=f50f8a848147fe4f -C extra-filename=-f50f8a848147fe4f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-e6960f58bf1e3a53.so --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-e09638bf9aca31b4.rmeta --extern codespan=/opt/rustwide/target/debug/deps/libcodespan-50d30557b3a51baf.rmeta --extern codespan_reporting=/opt/rustwide/target/debug/deps/libcodespan_reporting-d80085db5e93c848.rmeta --extern collect_mac=/opt/rustwide/target/debug/deps/libcollect_mac-b651276f16a469c6.rmeta --extern crossbeam_utils=/opt/rustwide/target/debug/deps/libcrossbeam_utils-1742f3bbb341041f.rmeta --extern downcast_rs=/opt/rustwide/target/debug/deps/libdowncast_rs-fa73406c32a7a552.rmeta --extern frunk_core=/opt/rustwide/target/debug/deps/libfrunk_core-57a071d6b5a8ff98.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-c07f41d11f2e21f8.rmeta --extern gluon_base=/opt/rustwide/target/debug/deps/libgluon_base-c6488d4ec507b563.rmeta --extern gluon_check=/opt/rustwide/target/debug/deps/libgluon_check-d8ecb8752f6134b7.rmeta --extern gluon_codegen=/opt/rustwide/target/debug/deps/libgluon_codegen-433d1e63108ea608.so --extern itertools=/opt/rustwide/target/debug/deps/libitertools-3a9710ab24452350.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-cfad8b3f08736a8f.rmeta --extern ordered_float=/opt/rustwide/target/debug/deps/libordered_float-09b61a00d02f2819.rmeta --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-0e49f8b5b6d8e042.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-dfd29d81d05232e1.rmeta --extern pretty=/opt/rustwide/target/debug/deps/libpretty-0cd84bed1c9175c0.rmeta --extern quick_error=/opt/rustwide/target/debug/deps/libquick_error-9b86aa0409ef900d.rmeta --extern slab=/opt/rustwide/target/debug/deps/libslab-19bed823898320f8.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-3a2f4cf47b60b0e6.rmeta --extern typed_arena=/opt/rustwide/target/debug/deps/libtyped_arena-733a99917998cd35.rmeta --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f984af9dc0f0474456e551788cc528b0ef39170b34deeecf286dc58288b8dee0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f984af9dc0f0474456e551788cc528b0ef39170b34deeecf286dc58288b8dee0", kill_on_drop: false }`
[INFO] [stdout] f984af9dc0f0474456e551788cc528b0ef39170b34deeecf286dc58288b8dee0
