[INFO] cloning repository https://github.com/AyAyEm/json-typings
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AyAyEm/json-typings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAyAyEm%2Fjson-typings", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAyAyEm%2Fjson-typings'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3510f4162169aea1fa57d7f629e74cfc73a45c87
[INFO] testing AyAyEm/json-typings against master#1ef7943ee607160a564655b6596f83670ef95df5 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAyAyEm%2Fjson-typings" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AyAyEm/json-typings
[INFO] finished tweaking git repo https://github.com/AyAyEm/json-typings
[INFO] tweaked toml for git repo https://github.com/AyAyEm/json-typings written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AyAyEm/json-typings on toolchain 1ef7943ee607160a564655b6596f83670ef95df5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AyAyEm/json-typings already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rust-ini v0.13.0
[INFO] [stderr]   Downloaded serde-aux v3.0.1
[INFO] [stderr]   Downloaded serde-hjson v0.9.1
[INFO] [stderr]   Downloaded config v0.11.0
[INFO] [stderr]   Downloaded if_chain v1.0.2
[INFO] [stderr]   Downloaded pretty_assertions v1.0.0
[INFO] [stderr]   Downloaded fancy-regex v0.7.1
[INFO] [stderr]   Downloaded ijson v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d3c183b2c6afe216caf0cbdf01e020205702b107e21134924ec94fa3266448c2
[INFO] running `Command { std: "docker" "start" "-a" "d3c183b2c6afe216caf0cbdf01e020205702b107e21134924ec94fa3266448c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3c183b2c6afe216caf0cbdf01e020205702b107e21134924ec94fa3266448c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3c183b2c6afe216caf0cbdf01e020205702b107e21134924ec94fa3266448c2", kill_on_drop: false }`
[INFO] [stdout] d3c183b2c6afe216caf0cbdf01e020205702b107e21134924ec94fa3266448c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 906b0413b1298e48d59a49cb506d08500bf6ff23efc7292f979bee29ff501a6f
[INFO] running `Command { std: "docker" "start" "-a" "906b0413b1298e48d59a49cb506d08500bf6ff23efc7292f979bee29ff501a6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.106
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling smallvec v1.7.0
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling serde v0.8.23
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling rust-ini v0.13.0
[INFO] [stderr]    Compiling fixedbitset v0.4.0
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling json v0.12.4
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling if_chain v1.0.2
[INFO] [stderr]    Compiling petgraph v0.6.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling ordered-float v2.8.0
[INFO] [stderr]    Compiling dashmap v4.0.2
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling serde-hjson v0.9.1
[INFO] [stderr]    Compiling fancy-regex v0.7.1
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling ijson v0.1.3
[INFO] [stderr]    Compiling serde-aux v3.0.1
[INFO] [stderr]    Compiling config v0.11.0
[INFO] [stderr]    Compiling json-typings v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `ObjectNode` is never constructed
[INFO] [stdout]   --> src/typing.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub struct ObjectNode(pub usize);
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the return value of `mem::discriminant` is unspecified when called with a non-enum type
[INFO] [stdout]    --> src/typing.rs:107:35
[INFO] [stdout]     |
[INFO] [stdout] 107 |                     .group_by(|v| std::mem::discriminant(v))
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the argument to `discriminant` should be a reference to an enum, but it was passed a reference to a `IValue`, which is not an enum
[INFO] [stdout]    --> src/typing.rs:107:58
[INFO] [stdout]     |
[INFO] [stdout] 107 |                     .group_by(|v| std::mem::discriminant(v))
[INFO] [stdout]     |                                                          ^
[INFO] [stdout]     = note: `#[deny(enum_intrinsics_non_enums)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `json-typings` (lib) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "906b0413b1298e48d59a49cb506d08500bf6ff23efc7292f979bee29ff501a6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "906b0413b1298e48d59a49cb506d08500bf6ff23efc7292f979bee29ff501a6f", kill_on_drop: false }`
[INFO] [stdout] 906b0413b1298e48d59a49cb506d08500bf6ff23efc7292f979bee29ff501a6f
