[INFO] fetching crate python_comm 0.4.2...
[INFO] checking python_comm-0.4.2 against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] extracting crate python_comm 0.4.2 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate python_comm 0.4.2
[INFO] finished tweaking crates.io crate python_comm 0.4.2
[INFO] tweaked toml for crates.io crate python_comm 0.4.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate python_comm 0.4.2 on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 205 packages to latest compatible versions
[INFO] [stderr]       Adding ahash v0.7.8 (available: v0.8.12)
[INFO] [stderr]       Adding lazy_static v1.4.0 (available: v1.5.0)
[INFO] [stderr]       Adding mysql v20.1.0 (available: v28.0.0)
[INFO] [stderr]       Adding rust_decimal v1.12.4 (available: v1.42.0)
[INFO] [stderr]       Adding rust_decimal_macros v1.12.4 (available: v1.40.0)
[INFO] [stderr]       Adding tokio v1.17.0 (available: v1.52.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75ce537b9af06a877d54caf632ddff14490eee2bf496c3b7f6260cfd05afd03e
[INFO] running `Command { std: "docker" "start" "-a" "75ce537b9af06a877d54caf632ddff14490eee2bf496c3b7f6260cfd05afd03e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75ce537b9af06a877d54caf632ddff14490eee2bf496c3b7f6260cfd05afd03e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75ce537b9af06a877d54caf632ddff14490eee2bf496c3b7f6260cfd05afd03e", kill_on_drop: false }`
[INFO] [stdout] 75ce537b9af06a877d54caf632ddff14490eee2bf496c3b7f6260cfd05afd03e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c80bf8915f0e7919f149a840cf0168e5573d91ece2962a159bcd1c694c39256c
[INFO] running `Command { std: "docker" "start" "-a" "c80bf8915f0e7919f149a840cf0168e5573d91ece2962a159bcd1c694c39256c", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling iana-time-zone v0.1.65
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]     Checking memchr v2.8.1
[INFO] [stderr]     Checking once_cell v1.21.4
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking serde_json v1.0.150
[INFO] [stderr]     Checking chrono v0.4.44
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling rust_decimal v1.12.4
[INFO] [stderr]    Compiling rust_decimal_macros v1.12.4
[INFO] [stderr]    Compiling python_comm_macros v0.4.1
[INFO] [stderr]     Checking python_comm v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: struct `TextSearcherManager` is never constructed
[INFO] [stdout]    --> src/textsearcher.rs:777:12
[INFO] [stdout]     |
[INFO] [stdout] 777 | pub struct TextSearcherManager {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]     = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/textsearcher.rs:800:8
[INFO] [stdout]     |
[INFO] [stdout] 785 | impl TextSearcherManager {
[INFO] [stdout]     | ------------------------ associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 800 |     fn new() -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `python_comm` (lib) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: struct `TextSearcherManager` is never constructed
[INFO] [stdout]    --> src/textsearcher.rs:777:12
[INFO] [stdout]     |
[INFO] [stdout] 777 | pub struct TextSearcherManager {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]     = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/textsearcher.rs:800:8
[INFO] [stdout]     |
[INFO] [stdout] 785 | impl TextSearcherManager {
[INFO] [stdout]     | ------------------------ associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 800 |     fn new() -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `python_comm` (lib test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "c80bf8915f0e7919f149a840cf0168e5573d91ece2962a159bcd1c694c39256c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c80bf8915f0e7919f149a840cf0168e5573d91ece2962a159bcd1c694c39256c", kill_on_drop: false }`
[INFO] [stdout] c80bf8915f0e7919f149a840cf0168e5573d91ece2962a159bcd1c694c39256c
