[INFO] cloning repository https://github.com/jakobwesthoff/green_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jakobwesthoff/green_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakobwesthoff%2Fgreen_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakobwesthoff%2Fgreen_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 45a603453997466c9e92c0a5c803362267d1bcaf
[INFO] building jakobwesthoff/green_rust 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%2Fjakobwesthoff%2Fgreen_rust" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jakobwesthoff/green_rust 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/jakobwesthoff/green_rust
[INFO] finished tweaking git repo https://github.com/jakobwesthoff/green_rust
[INFO] tweaked toml for git repo https://github.com/jakobwesthoff/green_rust written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jakobwesthoff/green_rust 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 626f367c81109aee19a1d44a09d09b2f40f592ec7b34aef51db86977f148325c
[INFO] running `Command { std: "docker" "start" "-a" "626f367c81109aee19a1d44a09d09b2f40f592ec7b34aef51db86977f148325c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "626f367c81109aee19a1d44a09d09b2f40f592ec7b34aef51db86977f148325c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "626f367c81109aee19a1d44a09d09b2f40f592ec7b34aef51db86977f148325c", kill_on_drop: false }`
[INFO] [stdout] 626f367c81109aee19a1d44a09d09b2f40f592ec7b34aef51db86977f148325c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 5b58ccff196711dfd83242939de5a2e0e566ac3e4feac24737f3d1b0f15b13c5
[INFO] running `Command { std: "docker" "start" "-a" "5b58ccff196711dfd83242939de5a2e0e566ac3e4feac24737f3d1b0f15b13c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling parking_lot v0.12.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_xoshiro v0.6.0
[INFO] [stderr]    Compiling signal-hook-mio v0.2.3
[INFO] [stderr]    Compiling crossterm v0.27.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling green_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/main.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl Glyph {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 22 |     fn new(character: char, color: Color) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `width` and `base_color` are never read
[INFO] [stdout]    --> src/main.rs:111:5
[INFO] [stdout]     |
[INFO] [stdout] 110 | struct MatrixWaterfall {
[INFO] [stdout]     |        --------------- fields in this struct
[INFO] [stdout] 111 |     width: u16,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 112 |     height: u16,
[INFO] [stdout] 113 |     base_color: Color,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ColorAsByteSlice` is never used
[INFO] [stdout]   --> src/color.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | trait ColorAsByteSlice {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `from_bytes` and `as_bytes` are never used
[INFO] [stdout]   --> src/color.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl Color {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 29 |     pub fn from_bytes(bytes: &[u8]) -> &[Self] {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |     pub fn as_bytes(&self) -> &[u8] {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.35s
[INFO] running `Command { std: "docker" "inspect" "5b58ccff196711dfd83242939de5a2e0e566ac3e4feac24737f3d1b0f15b13c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b58ccff196711dfd83242939de5a2e0e566ac3e4feac24737f3d1b0f15b13c5", kill_on_drop: false }`
[INFO] [stdout] 5b58ccff196711dfd83242939de5a2e0e566ac3e4feac24737f3d1b0f15b13c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 88a2ab2627518097c838d0855afbda83b94383389bece2edf30ed0f3690d7bb2
[INFO] running `Command { std: "docker" "start" "-a" "88a2ab2627518097c838d0855afbda83b94383389bece2edf30ed0f3690d7bb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling green_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/main.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl Glyph {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 22 |     fn new(character: char, color: Color) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `width` and `base_color` are never read
[INFO] [stdout]    --> src/main.rs:111:5
[INFO] [stdout]     |
[INFO] [stdout] 110 | struct MatrixWaterfall {
[INFO] [stdout]     |        --------------- fields in this struct
[INFO] [stdout] 111 |     width: u16,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 112 |     height: u16,
[INFO] [stdout] 113 |     base_color: Color,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ColorAsByteSlice` is never used
[INFO] [stdout]   --> src/color.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | trait ColorAsByteSlice {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `from_bytes` and `as_bytes` are never used
[INFO] [stdout]   --> src/color.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl Color {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 29 |     pub fn from_bytes(bytes: &[u8]) -> &[Self] {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |     pub fn as_bytes(&self) -> &[u8] {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "88a2ab2627518097c838d0855afbda83b94383389bece2edf30ed0f3690d7bb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88a2ab2627518097c838d0855afbda83b94383389bece2edf30ed0f3690d7bb2", kill_on_drop: false }`
[INFO] [stdout] 88a2ab2627518097c838d0855afbda83b94383389bece2edf30ed0f3690d7bb2