[INFO] cloning repository https://github.com/OwenFeik/spells-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/OwenFeik/spells-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOwenFeik%2Fspells-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOwenFeik%2Fspells-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 06406ab88477d26b59d36e65f79443b3cbcba08f
[INFO] building OwenFeik/spells-rs 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%2FOwenFeik%2Fspells-rs" "/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/OwenFeik/spells-rs 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/OwenFeik/spells-rs
[INFO] finished tweaking git repo https://github.com/OwenFeik/spells-rs
[INFO] tweaked toml for git repo https://github.com/OwenFeik/spells-rs written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/OwenFeik/spells-rs 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]     Blocking waiting for file lock on package cache
[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] fbbbdc5a3d13b1b663248be3f2a22526da56fe097a55a9760b4f68211599b6bf
[INFO] running `Command { std: "docker" "start" "-a" "fbbbdc5a3d13b1b663248be3f2a22526da56fe097a55a9760b4f68211599b6bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fbbbdc5a3d13b1b663248be3f2a22526da56fe097a55a9760b4f68211599b6bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbbbdc5a3d13b1b663248be3f2a22526da56fe097a55a9760b4f68211599b6bf", kill_on_drop: false }`
[INFO] [stdout] fbbbdc5a3d13b1b663248be3f2a22526da56fe097a55a9760b4f68211599b6bf
[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] 374352d553c9817023648373902f5dd0d90710cfab017dbe2b0a14de0cb8efea
[INFO] running `Command { std: "docker" "start" "-a" "374352d553c9817023648373902f5dd0d90710cfab017dbe2b0a14de0cb8efea", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling rustix v0.38.19
[INFO] [stderr]    Compiling linux-raw-sys v0.4.10
[INFO] [stderr]    Compiling smallvec v1.11.1
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling nix v0.28.0
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling home v0.5.5
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling fd-lock v4.0.2
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rustyline v14.0.0
[INFO] [stderr]    Compiling spells v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/context.rs:181:13
[INFO] [stdout]     |
[INFO] [stdout] 181 |         let mut ret = String::new();
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Child` is never constructed
[INFO] [stdout]   --> src/context.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | enum ScopeObject {
[INFO] [stdout]    |      ----------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 45 |     Child(usize),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ScopeObject` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.78s
[INFO] running `Command { std: "docker" "inspect" "374352d553c9817023648373902f5dd0d90710cfab017dbe2b0a14de0cb8efea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "374352d553c9817023648373902f5dd0d90710cfab017dbe2b0a14de0cb8efea", kill_on_drop: false }`
[INFO] [stdout] 374352d553c9817023648373902f5dd0d90710cfab017dbe2b0a14de0cb8efea
[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] 7bdd188fd2c7902dbcb38893334f63401b7f2ec2f7844f8f7c86b388aac406b4
[INFO] running `Command { std: "docker" "start" "-a" "7bdd188fd2c7902dbcb38893334f63401b7f2ec2f7844f8f7c86b388aac406b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling spells v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/context.rs:181:13
[INFO] [stdout]     |
[INFO] [stdout] 181 |         let mut ret = String::new();
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Child` is never constructed
[INFO] [stdout]   --> src/context.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | enum ScopeObject {
[INFO] [stdout]    |      ----------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 45 |     Child(usize),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ScopeObject` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "7bdd188fd2c7902dbcb38893334f63401b7f2ec2f7844f8f7c86b388aac406b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bdd188fd2c7902dbcb38893334f63401b7f2ec2f7844f8f7c86b388aac406b4", kill_on_drop: false }`
[INFO] [stdout] 7bdd188fd2c7902dbcb38893334f63401b7f2ec2f7844f8f7c86b388aac406b4