[INFO] fetching crate karsher 0.9.0... [INFO] checking karsher-0.9.0 against try#24cd45d7714ba43afd4b8e62fb677b069b21c4a5 for pr-129543 [INFO] extracting crate karsher 0.9.0 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate karsher 0.9.0 on toolchain 24cd45d7714ba43afd4b8e62fb677b069b21c4a5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-0-tc2/source/.cargo/config [INFO] removed /workspace/builds/worker-0-tc2/source/rust-toolchain.toml [INFO] started tweaking crates.io crate karsher 0.9.0 [INFO] finished tweaking crates.io crate karsher 0.9.0 [INFO] tweaked toml for crates.io crate karsher 0.9.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate crates.io crate karsher 0.9.0 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" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 41f8e70e919fb1f229bc63fadff65c966e80f8bb995856e7915ee77c47aee3a9 [INFO] running `Command { std: "docker" "start" "-a" "41f8e70e919fb1f229bc63fadff65c966e80f8bb995856e7915ee77c47aee3a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "41f8e70e919fb1f229bc63fadff65c966e80f8bb995856e7915ee77c47aee3a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "41f8e70e919fb1f229bc63fadff65c966e80f8bb995856e7915ee77c47aee3a9", kill_on_drop: false }` [INFO] [stdout] 41f8e70e919fb1f229bc63fadff65c966e80f8bb995856e7915ee77c47aee3a9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0d654aa67d28746e5d39b6fddeabcda14428a03c418b4e80620072113bcc4fcb [INFO] running `Command { std: "docker" "start" "-a" "0d654aa67d28746e5d39b6fddeabcda14428a03c418b4e80620072113bcc4fcb", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling unicode-ident v1.0.0 [INFO] [stderr] Compiling syn v1.0.95 [INFO] [stderr] Compiling io-lifetimes v0.6.1 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling serde v1.0.137 [INFO] [stderr] Compiling rustversion v1.0.7 [INFO] [stderr] Compiling rustix v0.34.7 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Checking smallvec v1.8.0 [INFO] [stderr] Checking linux-raw-sys v0.0.46 [INFO] [stderr] Checking endian-type v0.1.2 [INFO] [stderr] Compiling anyhow v1.0.57 [INFO] [stderr] Checking snowflake v1.3.0 [INFO] [stderr] Checking overload v0.1.1 [INFO] [stderr] Checking minimal-lexical v0.2.1 [INFO] [stderr] Checking utf8parse v0.2.0 [INFO] [stderr] Checking unicode-segmentation v1.9.0 [INFO] [stderr] Compiling proc-macro2 v1.0.39 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking slab_tree v0.3.2 [INFO] [stderr] Checking nu-ansi-term v0.46.0 [INFO] [stderr] Checking nibble_vec v0.1.0 [INFO] [stderr] Checking env_logger v0.9.0 [INFO] [stderr] Checking radix_trie v0.2.1 [INFO] [stderr] Checking nom v7.1.1 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Checking dirs-sys-next v0.1.2 [INFO] [stderr] Checking dirs-sys v0.3.7 [INFO] [stderr] Checking nix v0.24.1 [INFO] [stderr] Checking nix v0.23.1 [INFO] [stderr] Checking dirs-next v2.0.0 [INFO] [stderr] Checking dirs v4.0.0 [INFO] [stderr] Checking fd-lock v3.0.5 [INFO] [stderr] Checking ctrlc v3.2.2 [INFO] [stderr] Compiling serde_derive v1.0.137 [INFO] [stderr] Compiling strum_macros v0.24.0 [INFO] [stderr] Compiling rustyline-derive v0.6.0 [INFO] [stderr] Checking rustyline v9.1.2 [INFO] [stderr] Checking strum v0.24.1 [INFO] [stderr] Checking serde_json v1.0.81 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking karsher v0.9.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `eof` and `none_of` [INFO] [stdout] --> src/prelude.rs:8:72 [INFO] [stdout] | [INFO] [stdout] 8 | alpha1, alphanumeric1, i128 as I128, multispace0, multispace1, none_of, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 11 | combinator::{all_consuming, cut, eof, map, map_parser, opt, rest, verify}, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::stdout` [INFO] [stdout] --> src/prelude.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | pub use std::io::stdout; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/prelude.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | pub use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `AtomicBool`, `Ordering`, `path::PathBuf`, and `process::ExitCode` [INFO] [stdout] --> src/prelude.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | path::PathBuf, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 39 | process::ExitCode, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] 40 | sync::atomic::{AtomicBool, Ordering}, [INFO] [stdout] | ^^^^^^^^^^ ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `eof` and `none_of` [INFO] [stdout] --> src/prelude.rs:8:72 [INFO] [stdout] | [INFO] [stdout] 8 | alpha1, alphanumeric1, i128 as I128, multispace0, multispace1, none_of, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 11 | combinator::{all_consuming, cut, eof, map, map_parser, opt, rest, verify}, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::stdout` [INFO] [stdout] --> src/prelude.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | pub use std::io::stdout; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `AtomicBool`, `Ordering`, `path::PathBuf`, and `process::ExitCode` [INFO] [stdout] --> src/prelude.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | path::PathBuf, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 39 | process::ExitCode, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] 40 | sync::atomic::{AtomicBool, Ordering}, [INFO] [stdout] | ^^^^^^^^^^ ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `read_no_op` is never used [INFO] [stdout] --> src/db/mod.rs:34:8 [INFO] [stdout] | [INFO] [stdout] 26 | pub trait Op { [INFO] [stdout] | -- method in this trait [INFO] [stdout] ... [INFO] [stdout] 34 | fn read_no_op( [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `open_tree_and_apply` is never used [INFO] [stdout] --> src/db/mod.rs:79:8 [INFO] [stdout] | [INFO] [stdout] 51 | pub trait DbOp: Op { [INFO] [stdout] | ---- method in this trait [INFO] [stdout] ... [INFO] [stdout] 79 | fn open_tree_and_apply( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `open_tree_and_apply` is never used [INFO] [stdout] --> src/db/mod.rs:79:8 [INFO] [stdout] | [INFO] [stdout] 51 | pub trait DbOp: Op { [INFO] [stdout] | ---- method in this trait [INFO] [stdout] ... [INFO] [stdout] 79 | fn open_tree_and_apply( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MyString` is never constructed [INFO] [stdout] --> src/db/database.rs:137:12 [INFO] [stdout] | [INFO] [stdout] 137 | struct MyString(String); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.56s [INFO] running `Command { std: "docker" "inspect" "0d654aa67d28746e5d39b6fddeabcda14428a03c418b4e80620072113bcc4fcb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d654aa67d28746e5d39b6fddeabcda14428a03c418b4e80620072113bcc4fcb", kill_on_drop: false }` [INFO] [stdout] 0d654aa67d28746e5d39b6fddeabcda14428a03c418b4e80620072113bcc4fcb