[INFO] cloning repository https://github.com/Zohnannor/cringelang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Zohnannor/cringelang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZohnannor%2Fcringelang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZohnannor%2Fcringelang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ced2cb8d86ad6357e14008d318c2635a53f8d889
[INFO] building Zohnannor/cringelang 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%2FZohnannor%2Fcringelang" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Zohnannor/cringelang 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/Zohnannor/cringelang
[INFO] finished tweaking git repo https://github.com/Zohnannor/cringelang
[INFO] tweaked toml for git repo https://github.com/Zohnannor/cringelang written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Zohnannor/cringelang 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]  Downloading crates ...
[INFO] [stderr]   Downloaded rustyline v8.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 7668d333cfacac364beb96530c7c0fb63a2414301de7afffb60dc269375a153e
[INFO] running `Command { std: "docker" "start" "-a" "7668d333cfacac364beb96530c7c0fb63a2414301de7afffb60dc269375a153e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7668d333cfacac364beb96530c7c0fb63a2414301de7afffb60dc269375a153e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7668d333cfacac364beb96530c7c0fb63a2414301de7afffb60dc269375a153e", kill_on_drop: false }`
[INFO] [stdout] 7668d333cfacac364beb96530c7c0fb63a2414301de7afffb60dc269375a153e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 5ba9ba96af5658699de31adc82b6fab2e40c1214067d743ecbdefb798d6f7b14
[INFO] running `Command { std: "docker" "start" "-a" "5ba9ba96af5658699de31adc82b6fab2e40c1214067d743ecbdefb798d6f7b14", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling utf8parse v0.2.0
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling regex v1.4.6
[INFO] [stderr]    Compiling rustyline v8.0.0
[INFO] [stderr]    Compiling cringelang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/stdlib/object.rs:536:13
[INFO] [stdout]     |
[INFO] [stdout] 536 |             _ => {
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/stdlib/object.rs:536:13
[INFO] [stdout]     |
[INFO] [stdout] 526 |             Object::Number(n) => *n,
[INFO] [stdout]     |             ----------------- matches some of the same values
[INFO] [stdout] 527 |             Object::Bool(b) => {
[INFO] [stdout]     |             --------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 534 |             Object::String(s) => s.borrow().parse::<f64>().unwrap_or(f64::NAN),
[INFO] [stdout]     |             ----------------- matches some of the same values
[INFO] [stdout] 535 |             Object::Char(c) => *c as i64 as f64,
[INFO] [stdout]     |             --------------- matches some of the same values
[INFO] [stdout] 536 |             _ => {
[INFO] [stdout]     |             ^ collectively making this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/stdlib/object.rs:555:13
[INFO] [stdout]     |
[INFO] [stdout] 555 |             _ => format!("<{} object at {:?}>", self.r#typeof(), self as *const Self),
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/stdlib/object.rs:555:13
[INFO] [stdout]     |
[INFO] [stdout] 551 |             Object::Number(n) => n.to_string(),
[INFO] [stdout]     |             ----------------- matches some of the same values
[INFO] [stdout] 552 |             Object::Bool(b) => b.to_string(),
[INFO] [stdout]     |             --------------- matches some of the same values
[INFO] [stdout] 553 |             Object::Char(c) => format!("{:?}", c),
[INFO] [stdout]     |             --------------- matches some of the same values
[INFO] [stdout] 554 |             Object::String(s) => format!("{:?}", s.borrow()),
[INFO] [stdout]     |             ----------------- matches some of the same values
[INFO] [stdout] 555 |             _ => format!("<{} object at {:?}>", self.r#typeof(), self as *const Self),
[INFO] [stdout]     |             ^ collectively making this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.59s
[INFO] running `Command { std: "docker" "inspect" "5ba9ba96af5658699de31adc82b6fab2e40c1214067d743ecbdefb798d6f7b14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ba9ba96af5658699de31adc82b6fab2e40c1214067d743ecbdefb798d6f7b14", kill_on_drop: false }`
[INFO] [stdout] 5ba9ba96af5658699de31adc82b6fab2e40c1214067d743ecbdefb798d6f7b14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 75f011829aba1d82d7a8a8bca1e7e9507c17f5ff05a625812ad5adb158cb91e1
[INFO] running `Command { std: "docker" "start" "-a" "75f011829aba1d82d7a8a8bca1e7e9507c17f5ff05a625812ad5adb158cb91e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling cringelang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/stdlib/object.rs:536:13
[INFO] [stdout]     |
[INFO] [stdout] 536 |             _ => {
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/stdlib/object.rs:536:13
[INFO] [stdout]     |
[INFO] [stdout] 526 |             Object::Number(n) => *n,
[INFO] [stdout]     |             ----------------- matches some of the same values
[INFO] [stdout] 527 |             Object::Bool(b) => {
[INFO] [stdout]     |             --------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 534 |             Object::String(s) => s.borrow().parse::<f64>().unwrap_or(f64::NAN),
[INFO] [stdout]     |             ----------------- matches some of the same values
[INFO] [stdout] 535 |             Object::Char(c) => *c as i64 as f64,
[INFO] [stdout]     |             --------------- matches some of the same values
[INFO] [stdout] 536 |             _ => {
[INFO] [stdout]     |             ^ collectively making this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/stdlib/object.rs:555:13
[INFO] [stdout]     |
[INFO] [stdout] 555 |             _ => format!("<{} object at {:?}>", self.r#typeof(), self as *const Self),
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/stdlib/object.rs:555:13
[INFO] [stdout]     |
[INFO] [stdout] 551 |             Object::Number(n) => n.to_string(),
[INFO] [stdout]     |             ----------------- matches some of the same values
[INFO] [stdout] 552 |             Object::Bool(b) => b.to_string(),
[INFO] [stdout]     |             --------------- matches some of the same values
[INFO] [stdout] 553 |             Object::Char(c) => format!("{:?}", c),
[INFO] [stdout]     |             --------------- matches some of the same values
[INFO] [stdout] 554 |             Object::String(s) => format!("{:?}", s.borrow()),
[INFO] [stdout]     |             ----------------- matches some of the same values
[INFO] [stdout] 555 |             _ => format!("<{} object at {:?}>", self.r#typeof(), self as *const Self),
[INFO] [stdout]     |             ^ collectively making this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "75f011829aba1d82d7a8a8bca1e7e9507c17f5ff05a625812ad5adb158cb91e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75f011829aba1d82d7a8a8bca1e7e9507c17f5ff05a625812ad5adb158cb91e1", kill_on_drop: false }`
[INFO] [stdout] 75f011829aba1d82d7a8a8bca1e7e9507c17f5ff05a625812ad5adb158cb91e1