[INFO] fetching crate qwitlib 0.4.0...
[INFO] building qwitlib-0.4.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate qwitlib 0.4.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate qwitlib 0.4.0
[INFO] finished tweaking crates.io crate qwitlib 0.4.0
[INFO] tweaked toml for crates.io crate qwitlib 0.4.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate qwitlib 0.4.0 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 64 packages to latest compatible versions
[INFO] [stderr]       Adding calamine v0.24.0 (available: v0.31.0)
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded codepage v0.1.2
[INFO] [stderr]   Downloaded calamine v0.24.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 623d26bfa685e25d8c1b78894aa6de13bb67fd0ad1fe095b3febd58bc7df3e0e
[INFO] running `Command { std: "docker" "start" "-a" "623d26bfa685e25d8c1b78894aa6de13bb67fd0ad1fe095b3febd58bc7df3e0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "623d26bfa685e25d8c1b78894aa6de13bb67fd0ad1fe095b3febd58bc7df3e0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "623d26bfa685e25d8c1b78894aa6de13bb67fd0ad1fe095b3febd58bc7df3e0e", kill_on_drop: false }`
[INFO] [stdout] 623d26bfa685e25d8c1b78894aa6de13bb67fd0ad1fe095b3febd58bc7df3e0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 5d59e43d9e662ed71dbac8656e06db6e1d741a01475039f82c11c615524083bb
[INFO] running `Command { std: "docker" "start" "-a" "5d59e43d9e662ed71dbac8656e06db6e1d741a01475039f82c11c615524083bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling flate2 v1.1.2
[INFO] [stderr]    Compiling codepage v0.1.2
[INFO] [stderr]    Compiling quick-xml v0.31.0
[INFO] [stderr]    Compiling time v0.3.44
[INFO] [stderr]    Compiling zip v0.6.6
[INFO] [stderr]    Compiling calamine v0.24.0
[INFO] [stderr]    Compiling qwitlib v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `ToUnixEpoch` is never used
[INFO] [stdout]  --> src/epoch_conversion.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | trait ToUnixEpoch {
[INFO] [stdout]   |       ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lines.rs:35:19
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct QError(String);
[INFO] [stdout]    |            ------ ^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `QError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.84s
[INFO] running `Command { std: "docker" "inspect" "5d59e43d9e662ed71dbac8656e06db6e1d741a01475039f82c11c615524083bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d59e43d9e662ed71dbac8656e06db6e1d741a01475039f82c11c615524083bb", kill_on_drop: false }`
[INFO] [stdout] 5d59e43d9e662ed71dbac8656e06db6e1d741a01475039f82c11c615524083bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 35c13d53ceef7a6cb4f1be23a2b2701e2d0847f4751a613a68917a88fea38468
[INFO] running `Command { std: "docker" "start" "-a" "35c13d53ceef7a6cb4f1be23a2b2701e2d0847f4751a613a68917a88fea38468", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stdout] warning: trait `ToUnixEpoch` is never used
[INFO] [stdout]  --> src/epoch_conversion.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | trait ToUnixEpoch {
[INFO] [stdout]   |       ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lines.rs:35:19
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct QError(String);
[INFO] [stdout]    |            ------ ^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `QError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling qwitlib v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `ToUnixEpoch` is never used
[INFO] [stdout]  --> src/epoch_conversion.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | trait ToUnixEpoch {
[INFO] [stdout]   |       ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lines.rs:35:19
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct QError(String);
[INFO] [stdout]    |            ------ ^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `QError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.39s
[INFO] running `Command { std: "docker" "inspect" "35c13d53ceef7a6cb4f1be23a2b2701e2d0847f4751a613a68917a88fea38468", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35c13d53ceef7a6cb4f1be23a2b2701e2d0847f4751a613a68917a88fea38468", kill_on_drop: false }`
[INFO] [stdout] 35c13d53ceef7a6cb4f1be23a2b2701e2d0847f4751a613a68917a88fea38468