[INFO] fetching crate serde_kdl 0.1.0...
[INFO] checking serde_kdl-0.1.0 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate serde_kdl 0.1.0 into /workspace/builds/worker-31/source
[INFO] validating manifest of crates.io crate serde_kdl 0.1.0 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_kdl 0.1.0
[INFO] finished tweaking crates.io crate serde_kdl 0.1.0
[INFO] tweaked toml for crates.io crate serde_kdl 0.1.0 written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded kdl v3.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7747e9b46601b33ff5b052fa86e5699a64659976bd2b08716f1f961a49aa0e0d
[INFO] running `Command { std: "docker" "start" "-a" "7747e9b46601b33ff5b052fa86e5699a64659976bd2b08716f1f961a49aa0e0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7747e9b46601b33ff5b052fa86e5699a64659976bd2b08716f1f961a49aa0e0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7747e9b46601b33ff5b052fa86e5699a64659976bd2b08716f1f961a49aa0e0d", kill_on_drop: false }`
[INFO] [stdout] 7747e9b46601b33ff5b052fa86e5699a64659976bd2b08716f1f961a49aa0e0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73993e89032031ef10d7ab21f943a4b275a074ab48322c1c18024de98a616026
[INFO] running `Command { std: "docker" "start" "-a" "73993e89032031ef10d7ab21f943a4b275a074ab48322c1c18024de98a616026", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling siphasher v0.3.7
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]    Compiling ryu v1.0.6
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking phf_shared v0.8.0
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking kdl v3.0.0
[INFO] [stderr]     Checking serde_test v1.0.130
[INFO] [stderr]     Checking serde_kdl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition: `count`
[INFO] [stdout]   --> tests/utils/mod.rs:30:14
[INFO] [stdout]    |
[INFO] [stdout] 30 | macro_rules! count {
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `value_tokens`
[INFO] [stdout]   --> tests/utils/mod.rs:35:14
[INFO] [stdout]    |
[INFO] [stdout] 35 | macro_rules! value_tokens {
[INFO] [stdout]    |              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> tests/tokens.rs:151:13
[INFO] [stdout]     |
[INFO] [stdout] 143 | /             node_tokens! {
[INFO] [stdout] 144 | |                 name: "author",
[INFO] [stdout] 145 | |                 values: ["Alex Monad"],
[INFO] [stdout] 146 | |                 properties: {
[INFO] [stdout] ...   |
[INFO] [stdout] 149 | |                 },
[INFO] [stdout] 150 | |             },
[INFO] [stdout]     | |_____________- any code following this expression is unreachable
[INFO] [stdout] 151 | /             &[
[INFO] [stdout] 152 | |                 // contents
[INFO] [stdout] 153 | |                 Token::Struct {
[INFO] [stdout] 154 | |                     name: "Node",
[INFO] [stdout] ...   |
[INFO] [stdout] 210 | |                 Token::StructEnd, //contents
[INFO] [stdout] 211 | |             ],
[INFO] [stdout]     | |_____________^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `value_as_token`
[INFO] [stdout]  --> tests/utils/mod.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn value_as_token(v: Value) -> Token {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.12s
[INFO] running `Command { std: "docker" "inspect" "73993e89032031ef10d7ab21f943a4b275a074ab48322c1c18024de98a616026", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73993e89032031ef10d7ab21f943a4b275a074ab48322c1c18024de98a616026", kill_on_drop: false }`
[INFO] [stdout] 73993e89032031ef10d7ab21f943a4b275a074ab48322c1c18024de98a616026