[INFO] cloning repository https://github.com/b05102139/smt [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/b05102139/smt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fb05102139%2Fsmt", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fb05102139%2Fsmt'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 21eacd89370323f28289db4617b4ffed4f5135de [INFO] checking b05102139/smt/21eacd89370323f28289db4617b4ffed4f5135de against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fb05102139%2Fsmt" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/b05102139/smt on toolchain 4d98531622e1718ae0bc3c7a1ab9cd8938428452 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/b05102139/smt [INFO] finished tweaking git repo https://github.com/b05102139/smt [INFO] tweaked toml for git repo https://github.com/b05102139/smt written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/b05102139/smt 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 05c1e29e72a7a0e192821e90cccdf7ff7fc9e564f73fe37e711376220aa34056 [INFO] running `Command { std: "docker" "start" "-a" "05c1e29e72a7a0e192821e90cccdf7ff7fc9e564f73fe37e711376220aa34056", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "05c1e29e72a7a0e192821e90cccdf7ff7fc9e564f73fe37e711376220aa34056", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "05c1e29e72a7a0e192821e90cccdf7ff7fc9e564f73fe37e711376220aa34056", kill_on_drop: false }` [INFO] [stdout] 05c1e29e72a7a0e192821e90cccdf7ff7fc9e564f73fe37e711376220aa34056 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8c991f0b355c76fdc4d7c502935c9157fbe7bf793b8d3d20ea88d4c0398edd48 [INFO] running `Command { std: "docker" "start" "-a" "8c991f0b355c76fdc4d7c502935c9157fbe7bf793b8d3d20ea88d4c0398edd48", kill_on_drop: false }` [INFO] [stderr] Checking IBM-1 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `max_val` [INFO] [stdout] --> src/IbmModel1.rs:141:35 [INFO] [stdout] | [INFO] [stdout] 141 | let (max_idx, max_val) = [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_val` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: module `IbmModel1` should have a snake case name [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | mod IbmModel1; [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `ibm_model1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `myMod` should have a snake case name [INFO] [stdout] --> src/main.rs:8:13 [INFO] [stdout] | [INFO] [stdout] 8 | let mut myMod = IbmModel1::IbmModel1::new(String::from("data/en_train.txt"), String::from("data/fr_train.txt")); [INFO] [stdout] | ^^^^^ help: convert the identifier to snake case: `my_mod` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | writeln!(f, "{}", decoded); [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] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/IbmModel1.rs:179:26 [INFO] [stdout] | [INFO] [stdout] 179 | .map(|n| n.next().unwrap()) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `max_val` [INFO] [stdout] --> src/IbmModel1.rs:141:35 [INFO] [stdout] | [INFO] [stdout] 141 | let (max_idx, max_val) = [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_val` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `IBM-1` (bin "IBM-1") due to 2 previous errors; 4 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: module `IbmModel1` should have a snake case name [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | mod IbmModel1; [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `ibm_model1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `myMod` should have a snake case name [INFO] [stdout] --> src/main.rs:8:13 [INFO] [stdout] | [INFO] [stdout] 8 | let mut myMod = IbmModel1::IbmModel1::new(String::from("data/en_train.txt"), String::from("data/fr_train.txt")); [INFO] [stdout] | ^^^^^ help: convert the identifier to snake case: `my_mod` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | writeln!(f, "{}", decoded); [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] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/IbmModel1.rs:179:26 [INFO] [stdout] | [INFO] [stdout] 179 | .map(|n| n.next().unwrap()) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `IBM-1` (bin "IBM-1" test) due to 2 previous errors; 4 warnings emitted [INFO] running `Command { std: "docker" "inspect" "8c991f0b355c76fdc4d7c502935c9157fbe7bf793b8d3d20ea88d4c0398edd48", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8c991f0b355c76fdc4d7c502935c9157fbe7bf793b8d3d20ea88d4c0398edd48", kill_on_drop: false }` [INFO] [stdout] 8c991f0b355c76fdc4d7c502935c9157fbe7bf793b8d3d20ea88d4c0398edd48