[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] checking AyAyEm/json-typings against try#438eb4c1a1c3841523d7f672601e8adbe04cff28 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAyAyEm%2Fjson-typings" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/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-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AyAyEm/json-typings on toolchain 438eb4c1a1c3841523d7f672601e8adbe04cff28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "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" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a592803eb694b3d7ed2f4086e992367dc97c6940e844e596c674ce343946abbf
[INFO] running `Command { std: "docker" "start" "-a" "a592803eb694b3d7ed2f4086e992367dc97c6940e844e596c674ce343946abbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a592803eb694b3d7ed2f4086e992367dc97c6940e844e596c674ce343946abbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a592803eb694b3d7ed2f4086e992367dc97c6940e844e596c674ce343946abbf", kill_on_drop: false }`
[INFO] [stdout] a592803eb694b3d7ed2f4086e992367dc97c6940e844e596c674ce343946abbf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d959c98ef81ea7b7a4ca9fd27ee6e2f6e5fcc9cac76bd4e7e6f4f2151bf4408
[INFO] running `Command { std: "docker" "start" "-a" "3d959c98ef81ea7b7a4ca9fd27ee6e2f6e5fcc9cac76bd4e7e6f4f2151bf4408", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.106
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]     Checking plotters-backend v0.3.2
[INFO] [stderr]     Checking fixedbitset v0.4.0
[INFO] [stderr]     Checking unicode-segmentation v1.8.0
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]     Checking convert_case v0.4.0
[INFO] [stderr]     Checking plotters-svg v0.3.1
[INFO] [stderr]     Checking if_chain v1.0.2
[INFO] [stderr]     Checking pretty_assertions v1.0.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]     Checking petgraph v0.6.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking ordered-float v2.8.0
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]     Checking dashmap v4.0.2
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking criterion-plot v0.4.4
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rayon v1.5.1
[INFO] [stderr]     Checking serde-hjson v0.9.1
[INFO] [stderr]     Checking fancy-regex v0.7.1
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking serde-aux v3.0.1
[INFO] [stderr]     Checking config v0.11.0
[INFO] [stderr]     Checking ijson v0.1.3
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.3.5
[INFO] [stderr]     Checking 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] [stderr] warning: build failed, waiting for other jobs to finish...
[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 test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "3d959c98ef81ea7b7a4ca9fd27ee6e2f6e5fcc9cac76bd4e7e6f4f2151bf4408", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d959c98ef81ea7b7a4ca9fd27ee6e2f6e5fcc9cac76bd4e7e6f4f2151bf4408", kill_on_drop: false }`
[INFO] [stdout] 3d959c98ef81ea7b7a4ca9fd27ee6e2f6e5fcc9cac76bd4e7e6f4f2151bf4408
