[INFO] fetching crate s3-access-log-rust 0.1.6...
[INFO] building s3-access-log-rust-0.1.6 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate s3-access-log-rust 0.1.6 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate s3-access-log-rust 0.1.6
[INFO] finished tweaking crates.io crate s3-access-log-rust 0.1.6
[INFO] tweaked toml for crates.io crate s3-access-log-rust 0.1.6 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate s3-access-log-rust 0.1.6 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 73 packages to latest compatible versions
[INFO] [stderr]       Adding claims v0.7.1 (available: v0.8.0)
[INFO] [stderr]       Adding serde_assert v0.7.1 (available: v0.8.0)
[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] 5f2899cde293b89838ae7ba44d315572602f8e8c31b79b9325ad2611ea069250
[INFO] running `Command { std: "docker" "start" "-a" "5f2899cde293b89838ae7ba44d315572602f8e8c31b79b9325ad2611ea069250", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f2899cde293b89838ae7ba44d315572602f8e8c31b79b9325ad2611ea069250", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f2899cde293b89838ae7ba44d315572602f8e8c31b79b9325ad2611ea069250", kill_on_drop: false }`
[INFO] [stdout] 5f2899cde293b89838ae7ba44d315572602f8e8c31b79b9325ad2611ea069250
[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] 4aef6e36043cc764878f11c03f0eebeea0d04d38d5883102f1dfbece92565f65
[INFO] running `Command { std: "docker" "start" "-a" "4aef6e36043cc764878f11c03f0eebeea0d04d38d5883102f1dfbece92565f65", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling csv-core v0.1.12
[INFO] [stderr]    Compiling darling_core v0.21.3
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling darling_macro v0.21.3
[INFO] [stderr]    Compiling darling v0.21.3
[INFO] [stderr]    Compiling serde_with_macros v3.14.1
[INFO] [stderr]    Compiling serde_with v3.14.1
[INFO] [stderr]    Compiling http-serde v2.1.1
[INFO] [stderr]    Compiling csv v1.3.1
[INFO] [stderr]    Compiling s3-access-log-rust v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `serialize` is never used
[INFO] [stdout]    --> src/lib.rs:171:12
[INFO] [stdout]     |
[INFO] [stdout] 171 |     pub fn serialize<S>(date: &DateTime<Utc>, serializer: S) -> Result<S::Ok, S::Error>
[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 11.87s
[INFO] running `Command { std: "docker" "inspect" "4aef6e36043cc764878f11c03f0eebeea0d04d38d5883102f1dfbece92565f65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4aef6e36043cc764878f11c03f0eebeea0d04d38d5883102f1dfbece92565f65", kill_on_drop: false }`
[INFO] [stdout] 4aef6e36043cc764878f11c03f0eebeea0d04d38d5883102f1dfbece92565f65
[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] 019ea2c9e39545f3365da441c6dc5047a2c772ace5ada5f3ad783556b00e9741
[INFO] running `Command { std: "docker" "start" "-a" "019ea2c9e39545f3365da441c6dc5047a2c772ace5ada5f3ad783556b00e9741", kill_on_drop: false }`
[INFO] [stderr]    Compiling claims v0.7.1
[INFO] [stderr]    Compiling serde_assert v0.7.1
[INFO] [stderr]    Compiling serde_test v1.0.177
[INFO] [stdout] warning: function `serialize` is never used
[INFO] [stdout]    --> src/lib.rs:171:12
[INFO] [stdout]     |
[INFO] [stdout] 171 |     pub fn serialize<S>(date: &DateTime<Utc>, serializer: S) -> Result<S::Ok, S::Error>
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling s3-access-log-rust v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `serialize` is never used
[INFO] [stdout]    --> src/lib.rs:171:12
[INFO] [stdout]     |
[INFO] [stdout] 171 |     pub fn serialize<S>(date: &DateTime<Utc>, serializer: S) -> Result<S::Ok, S::Error>
[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 1.74s
[INFO] running `Command { std: "docker" "inspect" "019ea2c9e39545f3365da441c6dc5047a2c772ace5ada5f3ad783556b00e9741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "019ea2c9e39545f3365da441c6dc5047a2c772ace5ada5f3ad783556b00e9741", kill_on_drop: false }`
[INFO] [stdout] 019ea2c9e39545f3365da441c6dc5047a2c772ace5ada5f3ad783556b00e9741