[INFO] fetching crate sstable 0.8.2... [INFO] checking sstable-0.8.2 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050 [INFO] extracting crate sstable 0.8.2 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate sstable 0.8.2 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate sstable 0.8.2 [INFO] finished tweaking crates.io crate sstable 0.8.2 [INFO] tweaked toml for crates.io crate sstable 0.8.2 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded integer-encoding v1.1.7 [INFO] [stderr] Downloaded time-test v0.2.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 24811066d957ebda8711f84fe9d6d82bdd896d1bc44a266eaad85367858ecedd [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "24811066d957ebda8711f84fe9d6d82bdd896d1bc44a266eaad85367858ecedd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "24811066d957ebda8711f84fe9d6d82bdd896d1bc44a266eaad85367858ecedd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "24811066d957ebda8711f84fe9d6d82bdd896d1bc44a266eaad85367858ecedd", kill_on_drop: false }` [INFO] [stdout] 24811066d957ebda8711f84fe9d6d82bdd896d1bc44a266eaad85367858ecedd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 57bf2f2b6914c6565f816d1a6dce040b66ba630feedaf268b9c7084eaa899342 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "57bf2f2b6914c6565f816d1a6dce040b66ba630feedaf268b9c7084eaa899342", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling build_const v0.2.2 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking integer-encoding v1.1.7 [INFO] [stderr] Checking snap v0.2.5 [INFO] [stderr] Compiling crc v1.8.1 [INFO] [stderr] Checking sstable v0.8.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `current_block_off` [INFO] [stdout] --> src/table_reader.rs:208:5 [INFO] [stdout] | [INFO] [stdout] 208 | current_block_off: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking time-test v0.2.2 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stdout] warning: unused import: `TableIterator` [INFO] [stdout] --> benches/sstable.rs:9:48 [INFO] [stdout] | [INFO] [stdout] 9 | use sstable::{SSIterator, Table, TableBuilder, TableIterator}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `count` is assigned to, but never used [INFO] [stdout] --> benches/sstable.rs:63:17 [INFO] [stdout] | [INFO] [stdout] 63 | let mut count = 0; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_count` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `entries` is assigned to, but never used [INFO] [stdout] --> benches/sstable.rs:64:17 [INFO] [stdout] | [INFO] [stdout] 64 | let mut entries = 0; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_entries` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> benches/sstable.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | let mut opt = sstable::Options::default(); [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] --> benches/sstable.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 41 | fs::remove_file("/tmp/.sstabletestfile"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `N` should have a snake case name [INFO] [stdout] --> benches/sstable.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | let N = 100000; [INFO] [stdout] | ^ help: convert the identifier to snake case: `n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/filter_block.rs:243:21 [INFO] [stdout] | [INFO] [stdout] 243 | format!("{} {:?} ", block_offset, key) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the assert!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 243 | "{} {:?} ", block_offset, key [INFO] [stdout] | -- -- [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 10.63s [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "57bf2f2b6914c6565f816d1a6dce040b66ba630feedaf268b9c7084eaa899342", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "57bf2f2b6914c6565f816d1a6dce040b66ba630feedaf268b9c7084eaa899342", kill_on_drop: false }` [INFO] [stdout] 57bf2f2b6914c6565f816d1a6dce040b66ba630feedaf268b9c7084eaa899342