[INFO] cloning repository https://github.com/imagine-hussain/rust-ws3
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/imagine-hussain/rust-ws3" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimagine-hussain%2Frust-ws3", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimagine-hussain%2Frust-ws3'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b23323853077a5de4be599caa6b65d52360e003c
[INFO] building imagine-hussain/rust-ws3 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimagine-hussain%2Frust-ws3" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/imagine-hussain/rust-ws3 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/imagine-hussain/rust-ws3
[INFO] finished tweaking git repo https://github.com/imagine-hussain/rust-ws3
[INFO] tweaked toml for git repo https://github.com/imagine-hussain/rust-ws3 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/imagine-hussain/rust-ws3 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded termgame v0.3.0
[INFO] [stderr]   Downloaded divrem v1.0.0
[INFO] [stderr]   Downloaded rustix v0.35.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb64126c1f05ed9521fe0a53c6e726f202d8c5180e0a494f9cb11f6b44e96a9c
[INFO] running `Command { std: "docker" "start" "-a" "cb64126c1f05ed9521fe0a53c6e726f202d8c5180e0a494f9cb11f6b44e96a9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb64126c1f05ed9521fe0a53c6e726f202d8c5180e0a494f9cb11f6b44e96a9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb64126c1f05ed9521fe0a53c6e726f202d8c5180e0a494f9cb11f6b44e96a9c", kill_on_drop: false }`
[INFO] [stdout] cb64126c1f05ed9521fe0a53c6e726f202d8c5180e0a494f9cb11f6b44e96a9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae236cb156a2e615784a9dffb1e825e9602b69a9fbeb0e534672cd2d8179819a
[INFO] running `Command { std: "docker" "start" "-a" "ae236cb156a2e615784a9dffb1e825e9602b69a9fbeb0e534672cd2d8179819a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.133
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling smallvec v1.9.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling signal-hook v0.3.14
[INFO] [stderr]    Compiling io-lifetimes v0.7.3
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rustix v0.35.10
[INFO] [stderr]    Compiling unicode-segmentation v1.10.0
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling linux-raw-sys v0.0.46
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling cassowary v0.3.0
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling divrem v1.0.0
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling utf8parse v0.2.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling mio v0.8.4
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling nix v0.24.2
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling signal-hook-mio v0.2.3
[INFO] [stderr]    Compiling crossterm v0.25.0
[INFO] [stderr]    Compiling tui v0.19.0
[INFO] [stderr]    Compiling termgame v0.3.0
[INFO] [stderr]    Compiling fd-lock v3.0.6
[INFO] [stderr]    Compiling rustyline v10.0.0
[INFO] [stderr]    Compiling ws03 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `file` is never read
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Buffer {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 11 |     text: String,
[INFO] [stdout] 12 |     file: Option<String>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.67s
[INFO] running `Command { std: "docker" "inspect" "ae236cb156a2e615784a9dffb1e825e9602b69a9fbeb0e534672cd2d8179819a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae236cb156a2e615784a9dffb1e825e9602b69a9fbeb0e534672cd2d8179819a", kill_on_drop: false }`
[INFO] [stdout] ae236cb156a2e615784a9dffb1e825e9602b69a9fbeb0e534672cd2d8179819a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1a3b25e2717abf52c10f8dacdff4dc8b3a14c2795a6d5fe20e2a636aad14851
[INFO] running `Command { std: "docker" "start" "-a" "f1a3b25e2717abf52c10f8dacdff4dc8b3a14c2795a6d5fe20e2a636aad14851", kill_on_drop: false }`
[INFO] [stderr]    Compiling ws03 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `file` is never read
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Buffer {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 11 |     text: String,
[INFO] [stdout] 12 |     file: Option<String>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "f1a3b25e2717abf52c10f8dacdff4dc8b3a14c2795a6d5fe20e2a636aad14851", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1a3b25e2717abf52c10f8dacdff4dc8b3a14c2795a6d5fe20e2a636aad14851", kill_on_drop: false }`
[INFO] [stdout] f1a3b25e2717abf52c10f8dacdff4dc8b3a14c2795a6d5fe20e2a636aad14851