[INFO] cloning repository https://github.com/Aiden01/bf.rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Aiden01/bf.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAiden01%2Fbf.rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAiden01%2Fbf.rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f008571b392f4d0f650f6c311497f6ab2867f9c2 [INFO] building Aiden01/bf.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%2FAiden01%2Fbf.rs" "/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/Aiden01/bf.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/Aiden01/bf.rs [INFO] finished tweaking git repo https://github.com/Aiden01/bf.rs [INFO] tweaked toml for git repo https://github.com/Aiden01/bf.rs written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Aiden01/bf.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] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded either v1.5.2 [INFO] [stderr] Downloaded cgmath v0.16.1 [INFO] [stderr] Downloaded autocfg v0.1.5 [INFO] [stderr] Downloaded approx v0.1.1 [INFO] [stderr] Downloaded num-traits v0.1.43 [INFO] [stderr] Downloaded num-traits v0.2.8 [INFO] [stderr] Downloaded libc v0.2.60 [INFO] [stderr] Downloaded winconsole v0.10.0 [INFO] [stderr] Downloaded ascii v0.9.2 [INFO] [stderr] Downloaded rgb v0.8.13 [INFO] [stderr] Downloaded cmdparser v0.2.0 [INFO] [stderr] Downloaded colored v1.8.0 [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] cefff87e2eece3831ed2c2bafe7c5ad27a64ed9465c2591fda72baaf6073dc4a [INFO] running `Command { std: "docker" "start" "-a" "cefff87e2eece3831ed2c2bafe7c5ad27a64ed9465c2591fda72baaf6073dc4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cefff87e2eece3831ed2c2bafe7c5ad27a64ed9465c2591fda72baaf6073dc4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cefff87e2eece3831ed2c2bafe7c5ad27a64ed9465c2591fda72baaf6073dc4a", kill_on_drop: false }` [INFO] [stdout] cefff87e2eece3831ed2c2bafe7c5ad27a64ed9465c2591fda72baaf6073dc4a [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] 0d2ae783f3dc34cc281832262c147701ae57a2ea2907912f9c956fc40e024a82 [INFO] running `Command { std: "docker" "start" "-a" "0d2ae783f3dc34cc281832262c147701ae57a2ea2907912f9c956fc40e024a82", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.5 [INFO] [stderr] Compiling libc v0.2.60 [INFO] [stderr] Compiling winapi v0.3.7 [INFO] [stderr] Compiling cgmath v0.16.1 [INFO] [stderr] Compiling approx v0.1.1 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling rgb v0.8.13 [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling either v1.5.2 [INFO] [stderr] Compiling ascii v0.9.2 [INFO] [stderr] Compiling cmdparser v0.2.0 [INFO] [stderr] Compiling unreachable v1.0.0 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling combine v3.8.1 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling num-traits v0.1.43 [INFO] [stderr] Compiling winconsole v0.10.0 [INFO] [stderr] Compiling colored v1.8.0 [INFO] [stderr] Compiling bfrs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `line` is never read [INFO] [stdout] --> src/vm.rs:82:17 [INFO] [stdout] | [INFO] [stdout] 82 | let mut line = String::new(); [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Success` is never constructed [INFO] [stdout] --> src/logger.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 6 | enum Importance { [INFO] [stdout] | ---------- variant in this enum [INFO] [stdout] 7 | Info, [INFO] [stdout] 8 | Success, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `success` is never used [INFO] [stdout] --> src/logger.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn success>(msg: T) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `info` is never used [INFO] [stdout] --> src/logger.rs:28:8 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn info>(msg: T) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/logger.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 36 | io::stdout().flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 36 | let _ = io::stdout().flush(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.92s [INFO] running `Command { std: "docker" "inspect" "0d2ae783f3dc34cc281832262c147701ae57a2ea2907912f9c956fc40e024a82", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d2ae783f3dc34cc281832262c147701ae57a2ea2907912f9c956fc40e024a82", kill_on_drop: false }` [INFO] [stdout] 0d2ae783f3dc34cc281832262c147701ae57a2ea2907912f9c956fc40e024a82 [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] 34cedbb171446de198fe0c4b00197a5228852d1bc054f513bc3b847e8442d78f [INFO] running `Command { std: "docker" "start" "-a" "34cedbb171446de198fe0c4b00197a5228852d1bc054f513bc3b847e8442d78f", kill_on_drop: false }` [INFO] [stderr] Compiling bfrs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `line` is never read [INFO] [stdout] --> src/vm.rs:82:17 [INFO] [stdout] | [INFO] [stdout] 82 | let mut line = String::new(); [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Success` is never constructed [INFO] [stdout] --> src/logger.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 6 | enum Importance { [INFO] [stdout] | ---------- variant in this enum [INFO] [stdout] 7 | Info, [INFO] [stdout] 8 | Success, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `success` is never used [INFO] [stdout] --> src/logger.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn success>(msg: T) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `info` is never used [INFO] [stdout] --> src/logger.rs:28:8 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn info>(msg: T) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/logger.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 36 | io::stdout().flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 36 | let _ = io::stdout().flush(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s [INFO] running `Command { std: "docker" "inspect" "34cedbb171446de198fe0c4b00197a5228852d1bc054f513bc3b847e8442d78f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "34cedbb171446de198fe0c4b00197a5228852d1bc054f513bc3b847e8442d78f", kill_on_drop: false }` [INFO] [stdout] 34cedbb171446de198fe0c4b00197a5228852d1bc054f513bc3b847e8442d78f