[INFO] fetching crate zmem 0.2.1...
[INFO] building zmem-0.2.1 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate zmem 0.2.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate zmem 0.2.1
[INFO] finished tweaking crates.io crate zmem 0.2.1
[INFO] tweaked toml for crates.io crate zmem 0.2.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate zmem 0.2.1 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate zmem 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1b0eba55a3b99480fdfb7d5e6eb6ce61db935f42acdc4beb33bdb17dd77b2c3
[INFO] running `Command { std: "docker" "start" "-a" "e1b0eba55a3b99480fdfb7d5e6eb6ce61db935f42acdc4beb33bdb17dd77b2c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1b0eba55a3b99480fdfb7d5e6eb6ce61db935f42acdc4beb33bdb17dd77b2c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1b0eba55a3b99480fdfb7d5e6eb6ce61db935f42acdc4beb33bdb17dd77b2c3", kill_on_drop: false }`
[INFO] [stdout] e1b0eba55a3b99480fdfb7d5e6eb6ce61db935f42acdc4beb33bdb17dd77b2c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 473bce05887f3386e0be9f1f5038315ac1499c8f69d9f9adcf55e5d67cff863d
[INFO] running `Command { std: "docker" "start" "-a" "473bce05887f3386e0be9f1f5038315ac1499c8f69d9f9adcf55e5d67cff863d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.13
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling futures-sink v0.3.29
[INFO] [stderr]    Compiling rustix v0.38.27
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling linux-raw-sys v0.4.12
[INFO] [stderr]    Compiling anstyle v1.0.4
[INFO] [stderr]    Compiling colorchoice v1.0.0
[INFO] [stderr]    Compiling anstyle-query v1.0.2
[INFO] [stderr]    Compiling anstyle-parse v0.2.3
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling smallvec v1.11.2
[INFO] [stderr]    Compiling futures-io v0.3.29
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling clap_lex v0.6.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling bytes v1.5.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling anstream v0.6.5
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling clap_builder v4.4.11
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling is-terminal v0.4.9
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling socket2 v0.5.5
[INFO] [stderr]    Compiling mio v0.8.10
[INFO] [stderr]    Compiling colored v2.0.4
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling futures-macro v0.3.29
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling tokio v1.34.0
[INFO] [stderr]    Compiling clap v4.4.11
[INFO] [stderr]    Compiling futures-executor v0.3.29
[INFO] [stderr]    Compiling futures v0.3.29
[INFO] [stderr]    Compiling zmem v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `username` is never read
[INFO] [stdout]    --> src/memory.rs:205:9
[INFO] [stdout]     |
[INFO] [stdout] 203 | pub struct ProcessMemoryStats {
[INFO] [stdout]     |            ------------------ field in this struct
[INFO] [stdout] 204 |     pub pid: u32,
[INFO] [stdout] 205 |     pub username: String,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ProcessMemoryStats` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[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 21.91s
[INFO] running `Command { std: "docker" "inspect" "473bce05887f3386e0be9f1f5038315ac1499c8f69d9f9adcf55e5d67cff863d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "473bce05887f3386e0be9f1f5038315ac1499c8f69d9f9adcf55e5d67cff863d", kill_on_drop: false }`
[INFO] [stdout] 473bce05887f3386e0be9f1f5038315ac1499c8f69d9f9adcf55e5d67cff863d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e51fb822bee9a7db6f45312aea749dbc2a615a4eb818eced442465bf5018d0d7
[INFO] running `Command { std: "docker" "start" "-a" "e51fb822bee9a7db6f45312aea749dbc2a615a4eb818eced442465bf5018d0d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling zmem v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `username` is never read
[INFO] [stdout]    --> src/memory.rs:205:9
[INFO] [stdout]     |
[INFO] [stdout] 203 | pub struct ProcessMemoryStats {
[INFO] [stdout]     |            ------------------ field in this struct
[INFO] [stdout] 204 |     pub pid: u32,
[INFO] [stdout] 205 |     pub username: String,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ProcessMemoryStats` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[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 1.04s
[INFO] running `Command { std: "docker" "inspect" "e51fb822bee9a7db6f45312aea749dbc2a615a4eb818eced442465bf5018d0d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e51fb822bee9a7db6f45312aea749dbc2a615a4eb818eced442465bf5018d0d7", kill_on_drop: false }`
[INFO] [stdout] e51fb822bee9a7db6f45312aea749dbc2a615a4eb818eced442465bf5018d0d7