[INFO] cloning repository https://github.com/DorukCem/Compression [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DorukCem/Compression" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDorukCem%2FCompression", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDorukCem%2FCompression'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 61fddd52b67f4464b31d3837882705139aed1955 [INFO] checking DorukCem/Compression against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDorukCem%2FCompression" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/DorukCem/Compression on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/DorukCem/Compression [INFO] finished tweaking git repo https://github.com/DorukCem/Compression [INFO] tweaked toml for git repo https://github.com/DorukCem/Compression written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/DorukCem/Compression 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ebc9b2773732918d2644ea851e917e710af3f331a62997fcbb1a77937f21172e [INFO] running `Command { std: "docker" "start" "-a" "ebc9b2773732918d2644ea851e917e710af3f331a62997fcbb1a77937f21172e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ebc9b2773732918d2644ea851e917e710af3f331a62997fcbb1a77937f21172e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ebc9b2773732918d2644ea851e917e710af3f331a62997fcbb1a77937f21172e", kill_on_drop: false }` [INFO] [stdout] ebc9b2773732918d2644ea851e917e710af3f331a62997fcbb1a77937f21172e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] acfe124312261d26644e49b99af1693d7b159b39789d879ef594352bcc45c899 [INFO] running `Command { std: "docker" "start" "-a" "acfe124312261d26644e49b99af1693d7b159b39789d879ef594352bcc45c899", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling radium v0.7.0 [INFO] [stderr] Compiling serde v1.0.205 [INFO] [stderr] Checking tap v1.0.1 [INFO] [stderr] Checking funty v2.0.0 [INFO] [stderr] Checking either v1.13.0 [INFO] [stderr] Checking wyz v0.5.1 [INFO] [stderr] Checking itertools v0.13.0 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Compiling syn v2.0.72 [INFO] [stderr] Compiling serde_derive v1.0.205 [INFO] [stderr] Checking bitvec v1.0.1 [INFO] [stderr] Checking compression v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `btree_map::Keys`, `current_exe`, `self`, and `u128` [INFO] [stdout] --> src/main.rs:3:19 [INFO] [stdout] | [INFO] [stdout] 3 | collections::{btree_map::Keys, HashMap}, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] 4 | env::{self, current_exe}, [INFO] [stdout] | ^^^^ ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 9 | u128, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `order::Lsb0` and `view::BitView` [INFO] [stdout] --> src/main.rs:12:14 [INFO] [stdout] | [INFO] [stdout] 12 | use bitvec::{order::Lsb0, store::BitStore, view::BitView}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `btree_map::Keys`, `current_exe`, `self`, and `u128` [INFO] [stdout] --> src/main.rs:3:19 [INFO] [stdout] | [INFO] [stdout] 3 | collections::{btree_map::Keys, HashMap}, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] 4 | env::{self, current_exe}, [INFO] [stdout] | ^^^^ ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 9 | u128, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `order::Lsb0` and `view::BitView` [INFO] [stdout] --> src/main.rs:12:14 [INFO] [stdout] | [INFO] [stdout] 12 | use bitvec::{order::Lsb0, store::BitStore, view::BitView}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `store::BitStore` [INFO] [stdout] --> src/main.rs:12:27 [INFO] [stdout] | [INFO] [stdout] 12 | use bitvec::{order::Lsb0, store::BitStore, view::BitView}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `metadata` [INFO] [stdout] --> src/main.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | let metadata = file.metadata().expect("Can not read metadata"); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metadata` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `store::BitStore` [INFO] [stdout] --> src/main.rs:12:27 [INFO] [stdout] | [INFO] [stdout] 12 | use bitvec::{order::Lsb0, store::BitStore, view::BitView}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `metadata` [INFO] [stdout] --> src/main.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | let metadata = file.metadata().expect("Can not read metadata"); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metadata` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:161:9 [INFO] [stdout] | [INFO] [stdout] 161 | let mut file = File::create("compressed-data/indiana.txt").expect("cannot create file"); [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: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:161:9 [INFO] [stdout] | [INFO] [stdout] 161 | let mut file = File::create("compressed-data/indiana.txt").expect("cannot create file"); [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: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:163:5 [INFO] [stdout] | [INFO] [stdout] 163 | br.write_all(&data.table.len_table.to_be_bytes()); [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] 163 | let _ = br.write_all(&data.table.len_table.to_be_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:164:5 [INFO] [stdout] | [INFO] [stdout] 164 | br.write_all(&String::from_iter(data.table.chars).as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 164 | let _ = br.write_all(&String::from_iter(data.table.chars).as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:172:5 [INFO] [stdout] | [INFO] [stdout] 172 | br.write_all(&codes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 172 | let _ = br.write_all(&codes); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:173:5 [INFO] [stdout] | [INFO] [stdout] 173 | br.write_all(&data.extra_bits.to_be_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 173 | let _ = br.write_all(&data.extra_bits.to_be_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:174:5 [INFO] [stdout] | [INFO] [stdout] 174 | br.write_all(&data.message); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 174 | let _ = br.write_all(&data.message); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:163:5 [INFO] [stdout] | [INFO] [stdout] 163 | br.write_all(&data.table.len_table.to_be_bytes()); [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] 163 | let _ = br.write_all(&data.table.len_table.to_be_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:164:5 [INFO] [stdout] | [INFO] [stdout] 164 | br.write_all(&String::from_iter(data.table.chars).as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 164 | let _ = br.write_all(&String::from_iter(data.table.chars).as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:172:5 [INFO] [stdout] | [INFO] [stdout] 172 | br.write_all(&codes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 172 | let _ = br.write_all(&codes); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:173:5 [INFO] [stdout] | [INFO] [stdout] 173 | br.write_all(&data.extra_bits.to_be_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 173 | let _ = br.write_all(&data.extra_bits.to_be_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:174:5 [INFO] [stdout] | [INFO] [stdout] 174 | br.write_all(&data.message); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 174 | let _ = br.write_all(&data.message); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:365:9 [INFO] [stdout] | [INFO] [stdout] 365 | io::stdout().flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 365 | let _ = io::stdout().flush(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:377:9 [INFO] [stdout] | [INFO] [stdout] 377 | io::stdout().flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 377 | let _ = io::stdout().flush(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.74s [INFO] running `Command { std: "docker" "inspect" "acfe124312261d26644e49b99af1693d7b159b39789d879ef594352bcc45c899", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "acfe124312261d26644e49b99af1693d7b159b39789d879ef594352bcc45c899", kill_on_drop: false }` [INFO] [stdout] acfe124312261d26644e49b99af1693d7b159b39789d879ef594352bcc45c899 [INFO] checking DorukCem/Compression against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDorukCem%2FCompression" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/DorukCem/Compression on toolchain f9935d29d867449445ee008640ccca1bf1ae0889 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/DorukCem/Compression [INFO] finished tweaking git repo https://github.com/DorukCem/Compression [INFO] tweaked toml for git repo https://github.com/DorukCem/Compression written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/DorukCem/Compression 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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 320e365696824340e790f8e9ec59a1c25cba9e48b43426be6f456029279626d7 [INFO] running `Command { std: "docker" "start" "-a" "320e365696824340e790f8e9ec59a1c25cba9e48b43426be6f456029279626d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "320e365696824340e790f8e9ec59a1c25cba9e48b43426be6f456029279626d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "320e365696824340e790f8e9ec59a1c25cba9e48b43426be6f456029279626d7", kill_on_drop: false }` [INFO] [stdout] 320e365696824340e790f8e9ec59a1c25cba9e48b43426be6f456029279626d7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5063c8843f251db1c51a0c178c5ef3e046702e17bd0ea4712a2b4f9a0fa7f7cc [INFO] running `Command { std: "docker" "start" "-a" "5063c8843f251db1c51a0c178c5ef3e046702e17bd0ea4712a2b4f9a0fa7f7cc", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling radium v0.7.0 [INFO] [stderr] Compiling serde v1.0.205 [INFO] [stderr] Checking tap v1.0.1 [INFO] [stderr] Checking either v1.13.0 [INFO] [stderr] Checking funty v2.0.0 [INFO] [stderr] Checking wyz v0.5.1 [INFO] [stderr] Checking itertools v0.13.0 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Compiling syn v2.0.72 [INFO] [stderr] Compiling serde_derive v1.0.205 [INFO] [stderr] Checking bitvec v1.0.1 [INFO] [stderr] Checking compression v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `btree_map::Keys`, `current_exe`, `self`, and `u128` [INFO] [stdout] --> src/main.rs:3:19 [INFO] [stdout] | [INFO] [stdout] 3 | collections::{btree_map::Keys, HashMap}, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] 4 | env::{self, current_exe}, [INFO] [stdout] | ^^^^ ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 9 | u128, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `order::Lsb0` and `view::BitView` [INFO] [stdout] --> src/main.rs:12:14 [INFO] [stdout] | [INFO] [stdout] 12 | use bitvec::{order::Lsb0, store::BitStore, view::BitView}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `btree_map::Keys`, `current_exe`, `self`, and `u128` [INFO] [stdout] --> src/main.rs:3:19 [INFO] [stdout] | [INFO] [stdout] 3 | collections::{btree_map::Keys, HashMap}, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] 4 | env::{self, current_exe}, [INFO] [stdout] | ^^^^ ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 9 | u128, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `order::Lsb0` and `view::BitView` [INFO] [stdout] --> src/main.rs:12:14 [INFO] [stdout] | [INFO] [stdout] 12 | use bitvec::{order::Lsb0, store::BitStore, view::BitView}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `store::BitStore` [INFO] [stdout] --> src/main.rs:12:27 [INFO] [stdout] | [INFO] [stdout] 12 | use bitvec::{order::Lsb0, store::BitStore, view::BitView}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `metadata` [INFO] [stdout] --> src/main.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | let metadata = file.metadata().expect("Can not read metadata"); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metadata` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `store::BitStore` [INFO] [stdout] --> src/main.rs:12:27 [INFO] [stdout] | [INFO] [stdout] 12 | use bitvec::{order::Lsb0, store::BitStore, view::BitView}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `metadata` [INFO] [stdout] --> src/main.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | let metadata = file.metadata().expect("Can not read metadata"); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metadata` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:161:9 [INFO] [stdout] | [INFO] [stdout] 161 | let mut file = File::create("compressed-data/indiana.txt").expect("cannot create file"); [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: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:161:9 [INFO] [stdout] | [INFO] [stdout] 161 | let mut file = File::create("compressed-data/indiana.txt").expect("cannot create file"); [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] 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/main.rs:43:19 [INFO] [stdout] | [INFO] [stdout] 39 | fn combine(l_node: HuffmanNode, r_node: HuffmanNode) -> HuffmanNode { [INFO] [stdout] | ------------------- ------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 43 | left: Some(Box::new(l_node)), [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/main.rs:44:20 [INFO] [stdout] | [INFO] [stdout] 39 | fn combine(l_node: HuffmanNode, r_node: HuffmanNode) -> HuffmanNode { [INFO] [stdout] | ------------------- ------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 44 | right: Some(Box::new(r_node)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [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/main.rs:43:19 [INFO] [stdout] | [INFO] [stdout] 39 | fn combine(l_node: HuffmanNode, r_node: HuffmanNode) -> HuffmanNode { [INFO] [stdout] | ------------------- ------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 43 | left: Some(Box::new(l_node)), [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/main.rs:44:20 [INFO] [stdout] | [INFO] [stdout] 39 | fn combine(l_node: HuffmanNode, r_node: HuffmanNode) -> HuffmanNode { [INFO] [stdout] | ------------------- ------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 44 | right: Some(Box::new(r_node)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:163:5 [INFO] [stdout] | [INFO] [stdout] 163 | br.write_all(&data.table.len_table.to_be_bytes()); [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] 163 | let _ = br.write_all(&data.table.len_table.to_be_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:164:5 [INFO] [stdout] | [INFO] [stdout] 164 | br.write_all(&String::from_iter(data.table.chars).as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 164 | let _ = br.write_all(&String::from_iter(data.table.chars).as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:172:5 [INFO] [stdout] | [INFO] [stdout] 172 | br.write_all(&codes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 172 | let _ = br.write_all(&codes); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:173:5 [INFO] [stdout] | [INFO] [stdout] 173 | br.write_all(&data.extra_bits.to_be_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 173 | let _ = br.write_all(&data.extra_bits.to_be_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:174:5 [INFO] [stdout] | [INFO] [stdout] 174 | br.write_all(&data.message); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 174 | let _ = br.write_all(&data.message); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:163:5 [INFO] [stdout] | [INFO] [stdout] 163 | br.write_all(&data.table.len_table.to_be_bytes()); [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] 163 | let _ = br.write_all(&data.table.len_table.to_be_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:164:5 [INFO] [stdout] | [INFO] [stdout] 164 | br.write_all(&String::from_iter(data.table.chars).as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 164 | let _ = br.write_all(&String::from_iter(data.table.chars).as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:172:5 [INFO] [stdout] | [INFO] [stdout] 172 | br.write_all(&codes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 172 | let _ = br.write_all(&codes); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:173:5 [INFO] [stdout] | [INFO] [stdout] 173 | br.write_all(&data.extra_bits.to_be_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 173 | let _ = br.write_all(&data.extra_bits.to_be_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:174:5 [INFO] [stdout] | [INFO] [stdout] 174 | br.write_all(&data.message); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 174 | let _ = br.write_all(&data.message); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:365:9 [INFO] [stdout] | [INFO] [stdout] 365 | io::stdout().flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 365 | let _ = io::stdout().flush(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:377:9 [INFO] [stdout] | [INFO] [stdout] 377 | io::stdout().flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 377 | let _ = io::stdout().flush(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `compression` (bin "compression") due to 3 previous errors; 10 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `compression` (bin "compression" test) due to 3 previous errors; 12 warnings emitted [INFO] running `Command { std: "docker" "inspect" "5063c8843f251db1c51a0c178c5ef3e046702e17bd0ea4712a2b4f9a0fa7f7cc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5063c8843f251db1c51a0c178c5ef3e046702e17bd0ea4712a2b4f9a0fa7f7cc", kill_on_drop: false }` [INFO] [stdout] 5063c8843f251db1c51a0c178c5ef3e046702e17bd0ea4712a2b4f9a0fa7f7cc