[INFO] fetching crate serde-extensions-derive 0.1.0...
[INFO] building serde-extensions-derive-0.1.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate serde-extensions-derive 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate serde-extensions-derive 0.1.0
[INFO] finished tweaking crates.io crate serde-extensions-derive 0.1.0
[INFO] tweaked toml for crates.io crate serde-extensions-derive 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde-extensions-derive 0.1.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c03b2206c88944ffb4179b4d198da8e59f0db8b16e844ce754893702cd31654
[INFO] running `Command { std: "docker" "start" "-a" "1c03b2206c88944ffb4179b4d198da8e59f0db8b16e844ce754893702cd31654", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c03b2206c88944ffb4179b4d198da8e59f0db8b16e844ce754893702cd31654", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c03b2206c88944ffb4179b4d198da8e59f0db8b16e844ce754893702cd31654", kill_on_drop: false }`
[INFO] [stdout] 1c03b2206c88944ffb4179b4d198da8e59f0db8b16e844ce754893702cd31654
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0472996588432d816f92c1f645dbca62da0f354be9254231925f87bdb9e0bbc
[INFO] running `Command { std: "docker" "start" "-a" "f0472996588432d816f92c1f645dbca62da0f354be9254231925f87bdb9e0bbc", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde-extensions-derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `is_vec_type` is never used
[INFO] [stdout]   --> src/lib.rs:80:4
[INFO] [stdout]    |
[INFO] [stdout] 80 | fn is_vec_type(ty: &Type) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_hashmap_type` is never used
[INFO] [stdout]   --> src/lib.rs:89:4
[INFO] [stdout]    |
[INFO] [stdout] 89 | fn is_hashmap_type(ty: &Type) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.73s
[INFO] running `Command { std: "docker" "inspect" "f0472996588432d816f92c1f645dbca62da0f354be9254231925f87bdb9e0bbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0472996588432d816f92c1f645dbca62da0f354be9254231925f87bdb9e0bbc", kill_on_drop: false }`
[INFO] [stdout] f0472996588432d816f92c1f645dbca62da0f354be9254231925f87bdb9e0bbc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cae6da5f224d79f5399ff64e67d7c1bcff223c46f6b8511e17a14ad3cdb0bc58
[INFO] running `Command { std: "docker" "start" "-a" "cae6da5f224d79f5399ff64e67d7c1bcff223c46f6b8511e17a14ad3cdb0bc58", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde-extensions-derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `is_vec_type` is never used
[INFO] [stdout]   --> src/lib.rs:80:4
[INFO] [stdout]    |
[INFO] [stdout] 80 | fn is_vec_type(ty: &Type) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_hashmap_type` is never used
[INFO] [stdout]   --> src/lib.rs:89:4
[INFO] [stdout]    |
[INFO] [stdout] 89 | fn is_hashmap_type(ty: &Type) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_vec_type` is never used
[INFO] [stdout]   --> src/lib.rs:80:4
[INFO] [stdout]    |
[INFO] [stdout] 80 | fn is_vec_type(ty: &Type) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_hashmap_type` is never used
[INFO] [stdout]   --> src/lib.rs:89:4
[INFO] [stdout]    |
[INFO] [stdout] 89 | fn is_hashmap_type(ty: &Type) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "cae6da5f224d79f5399ff64e67d7c1bcff223c46f6b8511e17a14ad3cdb0bc58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cae6da5f224d79f5399ff64e67d7c1bcff223c46f6b8511e17a14ad3cdb0bc58", kill_on_drop: false }`
[INFO] [stdout] cae6da5f224d79f5399ff64e67d7c1bcff223c46f6b8511e17a14ad3cdb0bc58