[INFO] cloning repository https://github.com/swizzard/rust-mazes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/swizzard/rust-mazes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswizzard%2Frust-mazes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswizzard%2Frust-mazes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 46d2f9f69c6ba91b75dab043e72d95d8953a9c8c
[INFO] building swizzard/rust-mazes 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%2Fswizzard%2Frust-mazes" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/swizzard/rust-mazes 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/swizzard/rust-mazes
[INFO] finished tweaking git repo https://github.com/swizzard/rust-mazes
[INFO] tweaked toml for git repo https://github.com/swizzard/rust-mazes written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/swizzard/rust-mazes 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] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] d37489ecff53e7882f72d2f857f0d8a14e927d06fc45118897c326242b5cbed1
[INFO] running `Command { std: "docker" "start" "-a" "d37489ecff53e7882f72d2f857f0d8a14e927d06fc45118897c326242b5cbed1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d37489ecff53e7882f72d2f857f0d8a14e927d06fc45118897c326242b5cbed1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d37489ecff53e7882f72d2f857f0d8a14e927d06fc45118897c326242b5cbed1", kill_on_drop: false }`
[INFO] [stdout] d37489ecff53e7882f72d2f857f0d8a14e927d06fc45118897c326242b5cbed1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f16d293fe72de2f1a1e22da08981336774efbd62e5345b4e951241bc5859e9fd
[INFO] running `Command { std: "docker" "start" "-a" "f16d293fe72de2f1a1e22da08981336774efbd62e5345b4e951241bc5859e9fd", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling libc v0.2.29
[INFO] [stderr]    Compiling rand v0.3.16
[INFO] [stderr]    Compiling mazes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/maze.rs:15:31
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl<'a> EachRow<'a> {
[INFO] [stdout]    |      -- lifetime `'a` declared here
[INFO] [stdout] 15 |     fn new(maze: &'a Maze) -> EachRow {
[INFO] [stdout]    |                               ^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/maze.rs:50:31
[INFO] [stdout]    |
[INFO] [stdout] 49 | impl<'a> EachCol<'a> {
[INFO] [stdout]    |      -- lifetime `'a` declared here
[INFO] [stdout] 50 |     fn new(maze: &'a Maze) -> EachCol {
[INFO] [stdout]    |                               ^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/maze.rs:86:31
[INFO] [stdout]    |
[INFO] [stdout] 85 | impl<'a> EachCell<'a> {
[INFO] [stdout]    |      -- lifetime `'a` declared here
[INFO] [stdout] 86 |     fn new(maze: &'a Maze) -> EachCell {
[INFO] [stdout]    |                               ^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/maze.rs:128:35
[INFO] [stdout]     |
[INFO] [stdout] 127 | impl<'a> RandCell<'a> {
[INFO] [stdout]     |      -- lifetime `'a` declared here
[INFO] [stdout] 128 |     pub fn new(maze: &'a Maze) -> RandCell {
[INFO] [stdout]     |                                   ^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "f16d293fe72de2f1a1e22da08981336774efbd62e5345b4e951241bc5859e9fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f16d293fe72de2f1a1e22da08981336774efbd62e5345b4e951241bc5859e9fd", kill_on_drop: false }`
[INFO] [stdout] f16d293fe72de2f1a1e22da08981336774efbd62e5345b4e951241bc5859e9fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 793c4b12dca216ce239a9408bade2b68a722b26456089be7b21db3e778ed599a
[INFO] running `Command { std: "docker" "start" "-a" "793c4b12dca216ce239a9408bade2b68a722b26456089be7b21db3e778ed599a", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/maze.rs:15:31
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl<'a> EachRow<'a> {
[INFO] [stdout]    |      -- lifetime `'a` declared here
[INFO] [stdout] 15 |     fn new(maze: &'a Maze) -> EachRow {
[INFO] [stdout]    |                               ^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/maze.rs:50:31
[INFO] [stdout]    |
[INFO] [stdout] 49 | impl<'a> EachCol<'a> {
[INFO] [stdout]    |      -- lifetime `'a` declared here
[INFO] [stdout] 50 |     fn new(maze: &'a Maze) -> EachCol {
[INFO] [stdout]    |                               ^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/maze.rs:86:31
[INFO] [stdout]    |
[INFO] [stdout] 85 | impl<'a> EachCell<'a> {
[INFO] [stdout]    |      -- lifetime `'a` declared here
[INFO] [stdout] 86 |     fn new(maze: &'a Maze) -> EachCell {
[INFO] [stdout]    |                               ^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mazes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/maze.rs:128:35
[INFO] [stdout]     |
[INFO] [stdout] 127 | impl<'a> RandCell<'a> {
[INFO] [stdout]     |      -- lifetime `'a` declared here
[INFO] [stdout] 128 |     pub fn new(maze: &'a Maze) -> RandCell {
[INFO] [stdout]     |                                   ^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/maze.rs:15:31
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl<'a> EachRow<'a> {
[INFO] [stdout]    |      -- lifetime `'a` declared here
[INFO] [stdout] 15 |     fn new(maze: &'a Maze) -> EachRow {
[INFO] [stdout]    |                               ^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/maze.rs:50:31
[INFO] [stdout]    |
[INFO] [stdout] 49 | impl<'a> EachCol<'a> {
[INFO] [stdout]    |      -- lifetime `'a` declared here
[INFO] [stdout] 50 |     fn new(maze: &'a Maze) -> EachCol {
[INFO] [stdout]    |                               ^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/maze.rs:86:31
[INFO] [stdout]    |
[INFO] [stdout] 85 | impl<'a> EachCell<'a> {
[INFO] [stdout]    |      -- lifetime `'a` declared here
[INFO] [stdout] 86 |     fn new(maze: &'a Maze) -> EachCell {
[INFO] [stdout]    |                               ^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/maze.rs:128:35
[INFO] [stdout]     |
[INFO] [stdout] 127 | impl<'a> RandCell<'a> {
[INFO] [stdout]     |      -- lifetime `'a` declared here
[INFO] [stdout] 128 |     pub fn new(maze: &'a Maze) -> RandCell {
[INFO] [stdout]     |                                   ^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/maze.rs:302:21
[INFO] [stdout]     |
[INFO] [stdout] 302 |             assert!(c.loc.column >= 0);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/maze.rs:304:21
[INFO] [stdout]     |
[INFO] [stdout] 304 |             assert!(c.loc.column >= 0);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "793c4b12dca216ce239a9408bade2b68a722b26456089be7b21db3e778ed599a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "793c4b12dca216ce239a9408bade2b68a722b26456089be7b21db3e778ed599a", kill_on_drop: false }`
[INFO] [stdout] 793c4b12dca216ce239a9408bade2b68a722b26456089be7b21db3e778ed599a