[INFO] cloning repository https://github.com/andreecy/bumidb [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andreecy/bumidb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandreecy%2Fbumidb", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandreecy%2Fbumidb'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 77dd2ec30cefd06bd819da28e08e0826bb27372d [INFO] checking andreecy/bumidb against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandreecy%2Fbumidb" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/andreecy/bumidb on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/andreecy/bumidb [INFO] finished tweaking git repo https://github.com/andreecy/bumidb [INFO] tweaked toml for git repo https://github.com/andreecy/bumidb written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/andreecy/bumidb 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 29c8cdff5bbf760001689719dc77f3e03efb1d9e36c344e47416742fd57ffbcc [INFO] running `Command { std: "docker" "start" "-a" "29c8cdff5bbf760001689719dc77f3e03efb1d9e36c344e47416742fd57ffbcc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "29c8cdff5bbf760001689719dc77f3e03efb1d9e36c344e47416742fd57ffbcc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "29c8cdff5bbf760001689719dc77f3e03efb1d9e36c344e47416742fd57ffbcc", kill_on_drop: false }` [INFO] [stdout] 29c8cdff5bbf760001689719dc77f3e03efb1d9e36c344e47416742fd57ffbcc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e56ca37b42e20d98969dc2ac9c128051a39c9f609dabd4b24f09047f06b02a69 [INFO] running `Command { std: "docker" "start" "-a" "e56ca37b42e20d98969dc2ac9c128051a39c9f609dabd4b24f09047f06b02a69", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling proc-macro2 v1.0.66 [INFO] [stderr] Compiling unicode-ident v1.0.11 [INFO] [stderr] Compiling serde v1.0.177 [INFO] [stderr] Compiling crc32fast v1.3.2 [INFO] [stderr] Compiling serde_derive v1.0.177 [INFO] [stderr] Compiling serde_json v1.0.104 [INFO] [stderr] Checking ryu v1.0.15 [INFO] [stderr] Checking itoa v1.0.9 [INFO] [stderr] Checking bytes v1.4.0 [INFO] [stderr] Checking miniz_oxide v0.7.1 [INFO] [stderr] Checking flate2 v1.0.26 [INFO] [stderr] Compiling quote v1.0.32 [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Compiling syn v2.0.27 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling uuid-macro-internal v1.4.1 [INFO] [stderr] Checking uuid v1.4.1 [INFO] [stderr] Checking bumidb v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `BlockBuilder` is never constructed [INFO] [stdout] --> src/block/builder.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct BlockBuilder { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `estimated_size`, `add`, `is_empty`, and `build` are never used [INFO] [stdout] --> src/block/builder.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 14 | impl BlockBuilder { [INFO] [stdout] | ----------------- associated items in this implementation [INFO] [stdout] 15 | /// Create new block builder [INFO] [stdout] 16 | pub fn new(block_size: usize) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 24 | fn estimated_size(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 29 | pub fn add(&mut self, key: &[u8], value: &[u8]) -> bool { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 50 | pub fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 54 | pub fn build(self) -> Block { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `BlockIterator` is never constructed [INFO] [stdout] --> src/block/iterator.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct BlockIterator { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/block/iterator.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 14 | impl BlockIterator { [INFO] [stdout] | ------------------ associated items in this implementation [INFO] [stdout] 15 | pub fn new(block: Arc) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 25 | pub fn create_and_seek_to_first(block: Arc) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 32 | pub fn create_and_seek_to_key(block: Arc, key: &[u8]) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 39 | pub fn key(&self) -> &[u8] { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 45 | pub fn value(&self) -> &[u8] { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 51 | pub fn is_valid(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 56 | pub fn seek_to_first(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 61 | fn seek_to(&mut self, idx: usize) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 73 | pub fn next(&mut self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 79 | fn seek_to_offset(&mut self, offset: usize) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 95 | pub fn seek_to_key(&mut self, key: &[u8]) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.31s [INFO] running `Command { std: "docker" "inspect" "e56ca37b42e20d98969dc2ac9c128051a39c9f609dabd4b24f09047f06b02a69", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e56ca37b42e20d98969dc2ac9c128051a39c9f609dabd4b24f09047f06b02a69", kill_on_drop: false }` [INFO] [stdout] e56ca37b42e20d98969dc2ac9c128051a39c9f609dabd4b24f09047f06b02a69 [INFO] checking andreecy/bumidb against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandreecy%2Fbumidb" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/andreecy/bumidb on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/andreecy/bumidb [INFO] finished tweaking git repo https://github.com/andreecy/bumidb [INFO] tweaked toml for git repo https://github.com/andreecy/bumidb written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/andreecy/bumidb 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3abae39f3ad7749aef2489ecd6412d97c4e41db6df4694fd44c22868c7b6188c [INFO] running `Command { std: "docker" "start" "-a" "3abae39f3ad7749aef2489ecd6412d97c4e41db6df4694fd44c22868c7b6188c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3abae39f3ad7749aef2489ecd6412d97c4e41db6df4694fd44c22868c7b6188c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3abae39f3ad7749aef2489ecd6412d97c4e41db6df4694fd44c22868c7b6188c", kill_on_drop: false }` [INFO] [stdout] 3abae39f3ad7749aef2489ecd6412d97c4e41db6df4694fd44c22868c7b6188c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1a951c34241390581bf3a91d597a6f77425311594abab3f704161cca2fd0dcf4 [INFO] running `Command { std: "docker" "start" "-a" "1a951c34241390581bf3a91d597a6f77425311594abab3f704161cca2fd0dcf4", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling proc-macro2 v1.0.66 [INFO] [stderr] Compiling unicode-ident v1.0.11 [INFO] [stderr] Compiling serde v1.0.177 [INFO] [stderr] Compiling serde_json v1.0.104 [INFO] [stderr] Compiling serde_derive v1.0.177 [INFO] [stderr] Checking ryu v1.0.15 [INFO] [stderr] Checking itoa v1.0.9 [INFO] [stderr] Checking bytes v1.4.0 [INFO] [stderr] Compiling crc32fast v1.3.2 [INFO] [stderr] Checking miniz_oxide v0.7.1 [INFO] [stderr] Checking flate2 v1.0.26 [INFO] [stderr] Compiling quote v1.0.32 [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Compiling syn v2.0.27 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling uuid-macro-internal v1.4.1 [INFO] [stderr] Checking uuid v1.4.1 [INFO] [stderr] Checking bumidb v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `BlockBuilder` is never constructed [INFO] [stdout] --> src/block/builder.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct BlockBuilder { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `estimated_size`, `add`, `is_empty`, and `build` are never used [INFO] [stdout] --> src/block/builder.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 14 | impl BlockBuilder { [INFO] [stdout] | ----------------- associated items in this implementation [INFO] [stdout] 15 | /// Create new block builder [INFO] [stdout] 16 | pub fn new(block_size: usize) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 24 | fn estimated_size(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 29 | pub fn add(&mut self, key: &[u8], value: &[u8]) -> bool { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 50 | pub fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 54 | pub fn build(self) -> Block { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `BlockIterator` is never constructed [INFO] [stdout] --> src/block/iterator.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct BlockIterator { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/block/iterator.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 14 | impl BlockIterator { [INFO] [stdout] | ------------------ associated items in this implementation [INFO] [stdout] 15 | pub fn new(block: Arc) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 25 | pub fn create_and_seek_to_first(block: Arc) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 32 | pub fn create_and_seek_to_key(block: Arc, key: &[u8]) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 39 | pub fn key(&self) -> &[u8] { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 45 | pub fn value(&self) -> &[u8] { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 51 | pub fn is_valid(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 56 | pub fn seek_to_first(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 61 | fn seek_to(&mut self, idx: usize) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 73 | pub fn next(&mut self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 79 | fn seek_to_offset(&mut self, offset: usize) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 95 | pub fn seek_to_key(&mut self, key: &[u8]) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.63s [INFO] running `Command { std: "docker" "inspect" "1a951c34241390581bf3a91d597a6f77425311594abab3f704161cca2fd0dcf4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1a951c34241390581bf3a91d597a6f77425311594abab3f704161cca2fd0dcf4", kill_on_drop: false }` [INFO] [stdout] 1a951c34241390581bf3a91d597a6f77425311594abab3f704161cca2fd0dcf4