[INFO] fetching crate serde_archive 0.1.5...
[INFO] building serde_archive-0.1.5 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate serde_archive 0.1.5 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate serde_archive 0.1.5
[INFO] finished tweaking crates.io crate serde_archive 0.1.5
[INFO] tweaked toml for crates.io crate serde_archive 0.1.5 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde_archive 0.1.5 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 76 packages to latest compatible versions
[INFO] [stderr]       Adding zip v0.6.6 (available: v5.1.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a925b8fe568d6193e85721dbd7dd5973bc749d2968a00591df5d8f122c60f91d
[INFO] running `Command { std: "docker" "start" "-a" "a925b8fe568d6193e85721dbd7dd5973bc749d2968a00591df5d8f122c60f91d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a925b8fe568d6193e85721dbd7dd5973bc749d2968a00591df5d8f122c60f91d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a925b8fe568d6193e85721dbd7dd5973bc749d2968a00591df5d8f122c60f91d", kill_on_drop: false }`
[INFO] [stdout] a925b8fe568d6193e85721dbd7dd5973bc749d2968a00591df5d8f122c60f91d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64ea9de6ef0ac3aca59cc2b170f4c2a4f8ae5a7b735d13b0bef6fbfad6e9b332
[INFO] running `Command { std: "docker" "start" "-a" "64ea9de6ef0ac3aca59cc2b170f4c2a4f8ae5a7b735d13b0bef6fbfad6e9b332", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_archive v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]    --> src/ser/mod.rs:395:5
[INFO] [stdout]     |
[INFO] [stdout] 390 | pub struct Struct<'w, W>
[INFO] [stdout]     |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 395 |     name: &'w str,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "64ea9de6ef0ac3aca59cc2b170f4c2a4f8ae5a7b735d13b0bef6fbfad6e9b332", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64ea9de6ef0ac3aca59cc2b170f4c2a4f8ae5a7b735d13b0bef6fbfad6e9b332", kill_on_drop: false }`
[INFO] [stdout] 64ea9de6ef0ac3aca59cc2b170f4c2a4f8ae5a7b735d13b0bef6fbfad6e9b332
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32afa087edcf5cc61b7fb330681ecdebde576a01a0e82634fe246085d294fb88
[INFO] running `Command { std: "docker" "start" "-a" "32afa087edcf5cc61b7fb330681ecdebde576a01a0e82634fe246085d294fb88", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_archive v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]    --> src/ser/mod.rs:395:5
[INFO] [stdout]     |
[INFO] [stdout] 390 | pub struct Struct<'w, W>
[INFO] [stdout]     |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 395 |     name: &'w str,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `enable-zip`
[INFO] [stdout]   --> tests/test.rs:18:7
[INFO] [stdout]    |
[INFO] [stdout] 18 | #[cfg(feature = "enable-zip")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `tar`, `with-tar`, `with-zip`, and `zip`
[INFO] [stdout]    = help: consider adding `enable-zip` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `enable-tar`
[INFO] [stdout]   --> tests/test.rs:63:7
[INFO] [stdout]    |
[INFO] [stdout] 63 | #[cfg(feature = "enable-tar")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `tar`, `with-tar`, `with-zip`, and `zip`
[INFO] [stdout]    = help: consider adding `enable-tar` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Item` is never constructed
[INFO] [stdout]  --> tests/test.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Item {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SubItem` is never constructed
[INFO] [stdout]   --> tests/test.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct SubItem {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]    --> src/ser/mod.rs:395:5
[INFO] [stdout]     |
[INFO] [stdout] 390 | pub struct Struct<'w, W>
[INFO] [stdout]     |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 395 |     name: &'w str,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "32afa087edcf5cc61b7fb330681ecdebde576a01a0e82634fe246085d294fb88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32afa087edcf5cc61b7fb330681ecdebde576a01a0e82634fe246085d294fb88", kill_on_drop: false }`
[INFO] [stdout] 32afa087edcf5cc61b7fb330681ecdebde576a01a0e82634fe246085d294fb88