[INFO] cloning repository https://github.com/notseanray/crisp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/notseanray/crisp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnotseanray%2Fcrisp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnotseanray%2Fcrisp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 97fa01ab88b32800e1e495dfa5355435bf1a1782
[INFO] building notseanray/crisp 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%2Fnotseanray%2Fcrisp" "/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/notseanray/crisp 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/notseanray/crisp
[INFO] finished tweaking git repo https://github.com/notseanray/crisp
[INFO] tweaked toml for git repo https://github.com/notseanray/crisp written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/notseanray/crisp 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-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] aa9335ff73edec70de31446eadfc8f8bfe17e6d49006e0ab69795e5df23b8a64
[INFO] running `Command { std: "docker" "start" "-a" "aa9335ff73edec70de31446eadfc8f8bfe17e6d49006e0ab69795e5df23b8a64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa9335ff73edec70de31446eadfc8f8bfe17e6d49006e0ab69795e5df23b8a64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa9335ff73edec70de31446eadfc8f8bfe17e6d49006e0ab69795e5df23b8a64", kill_on_drop: false }`
[INFO] [stdout] aa9335ff73edec70de31446eadfc8f8bfe17e6d49006e0ab69795e5df23b8a64
[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] f256896ed9ca7836a890d8041a39d474c43cab2879fb6599471b4b1629748dbb
[INFO] running `Command { std: "docker" "start" "-a" "f256896ed9ca7836a890d8041a39d474c43cab2879fb6599471b4b1629748dbb", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling crisp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Expr`
[INFO] [stdout]  --> src/main.rs:7:20
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::crisp::{Expr, Tokenizer};
[INFO] [stdout]   |                    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l`
[INFO] [stdout]    --> src/crisp.rs:434:43
[INFO] [stdout]     |
[INFO] [stdout] 434 |                         if let (Expr::Sym(l), Expr::Sym(r)) = (&a[0], &a[1]) {
[INFO] [stdout]     |                                           ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/crisp.rs:434:57
[INFO] [stdout]     |
[INFO] [stdout] 434 |                         if let (Expr::Sym(l), Expr::Sym(r)) = (&a[0], &a[1]) {
[INFO] [stdout]     |                                                         ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/crisp.rs:527:29
[INFO] [stdout]     |
[INFO] [stdout] 527 |     pub fn eval(exp: &Expr, env: Option<&mut Env>) -> Result<Expr, Err> {
[INFO] [stdout]     |                             ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `Command { std: "docker" "inspect" "f256896ed9ca7836a890d8041a39d474c43cab2879fb6599471b4b1629748dbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f256896ed9ca7836a890d8041a39d474c43cab2879fb6599471b4b1629748dbb", kill_on_drop: false }`
[INFO] [stdout] f256896ed9ca7836a890d8041a39d474c43cab2879fb6599471b4b1629748dbb
[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] f9ed6b7866ad067c46812728fbb6eb7e8020846b5352cc94159386737300de06
[INFO] running `Command { std: "docker" "start" "-a" "f9ed6b7866ad067c46812728fbb6eb7e8020846b5352cc94159386737300de06", kill_on_drop: false }`
[INFO] [stderr]    Compiling crisp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Expr`
[INFO] [stdout]  --> src/main.rs:7:20
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::crisp::{Expr, Tokenizer};
[INFO] [stdout]   |                    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l`
[INFO] [stdout]    --> src/crisp.rs:434:43
[INFO] [stdout]     |
[INFO] [stdout] 434 |                         if let (Expr::Sym(l), Expr::Sym(r)) = (&a[0], &a[1]) {
[INFO] [stdout]     |                                           ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/crisp.rs:434:57
[INFO] [stdout]     |
[INFO] [stdout] 434 |                         if let (Expr::Sym(l), Expr::Sym(r)) = (&a[0], &a[1]) {
[INFO] [stdout]     |                                                         ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/crisp.rs:527:29
[INFO] [stdout]     |
[INFO] [stdout] 527 |     pub fn eval(exp: &Expr, env: Option<&mut Env>) -> Result<Expr, Err> {
[INFO] [stdout]     |                             ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "f9ed6b7866ad067c46812728fbb6eb7e8020846b5352cc94159386737300de06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9ed6b7866ad067c46812728fbb6eb7e8020846b5352cc94159386737300de06", kill_on_drop: false }`
[INFO] [stdout] f9ed6b7866ad067c46812728fbb6eb7e8020846b5352cc94159386737300de06