[INFO] fetching crate sigma_db 0.0.3...
[INFO] testing sigma_db-0.0.3 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate sigma_db 0.0.3 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate sigma_db 0.0.3
[INFO] finished tweaking crates.io crate sigma_db 0.0.3
[INFO] tweaked toml for crates.io crate sigma_db 0.0.3 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sigma_db 0.0.3 on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sigma_db 0.0.3 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" "+33835004928d3bf65db4d4712e1330766263b0bd" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 70b6558ae6767fc97e0485b53737317fccab33924bf49e1e0764ace7d6083504
[INFO] running `Command { std: "docker" "start" "-a" "70b6558ae6767fc97e0485b53737317fccab33924bf49e1e0764ace7d6083504", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70b6558ae6767fc97e0485b53737317fccab33924bf49e1e0764ace7d6083504", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70b6558ae6767fc97e0485b53737317fccab33924bf49e1e0764ace7d6083504", kill_on_drop: false }`
[INFO] [stdout] 70b6558ae6767fc97e0485b53737317fccab33924bf49e1e0764ace7d6083504
[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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1b265e181693f1ab7a0b5df5c79d557f6932007b55d53d73a46526d45637da5
[INFO] running `Command { std: "docker" "start" "-a" "e1b265e181693f1ab7a0b5df5c79d557f6932007b55d53d73a46526d45637da5", kill_on_drop: false }`
[INFO] [stderr]    Compiling sigma_db v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `any::Any` and `mem`
[INFO] [stdout]  --> src/db.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 |     use std::{any::Any, fmt::Debug, mem};
[INFO] [stdout]   |               ^^^^^^^^              ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/db.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 |     use std::io::{self, BufWriter, Write};
[INFO] [stdout]   |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `data_block` should have an upper camel case name
[INFO] [stdout]  --> src/db.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub struct data_block {
[INFO] [stdout]   |                ^^^^^^^^^^ help: convert the identifier to upper camel case: `DataBlock`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `db` should have an upper camel case name
[INFO] [stdout]   --> src/db.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub struct db {
[INFO] [stdout]    |                ^^ help: convert the identifier to upper camel case: `Db`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/db.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 |             let mut file = File::create(path).expect("invalid file path");
[INFO] [stdout]    |                 ----^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "e1b265e181693f1ab7a0b5df5c79d557f6932007b55d53d73a46526d45637da5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1b265e181693f1ab7a0b5df5c79d557f6932007b55d53d73a46526d45637da5", kill_on_drop: false }`
[INFO] [stdout] e1b265e181693f1ab7a0b5df5c79d557f6932007b55d53d73a46526d45637da5
[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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bfc65418af5c702682177b05d881ffbc8bcec4f63b6b3b664ba2d41a254b196f
[INFO] running `Command { std: "docker" "start" "-a" "bfc65418af5c702682177b05d881ffbc8bcec4f63b6b3b664ba2d41a254b196f", kill_on_drop: false }`
[INFO] [stdout] warning: unused imports: `any::Any` and `mem`
[INFO] [stdout]  --> src/db.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 |     use std::{any::Any, fmt::Debug, mem};
[INFO] [stdout]   |               ^^^^^^^^              ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/db.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 |     use std::io::{self, BufWriter, Write};
[INFO] [stdout]   |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `data_block` should have an upper camel case name
[INFO] [stdout]  --> src/db.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub struct data_block {
[INFO] [stdout]   |                ^^^^^^^^^^ help: convert the identifier to upper camel case: `DataBlock`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `db` should have an upper camel case name
[INFO] [stdout]   --> src/db.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub struct db {
[INFO] [stdout]    |                ^^ help: convert the identifier to upper camel case: `Db`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/db.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 |             let mut file = File::create(path).expect("invalid file path");
[INFO] [stdout]    |                 ----^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling sigma_db v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `any::Any` and `mem`
[INFO] [stdout]  --> src/db.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 |     use std::{any::Any, fmt::Debug, mem};
[INFO] [stdout]   |               ^^^^^^^^              ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/db.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 |     use std::io::{self, BufWriter, Write};
[INFO] [stdout]   |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `data_block` should have an upper camel case name
[INFO] [stdout]  --> src/db.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub struct data_block {
[INFO] [stdout]   |                ^^^^^^^^^^ help: convert the identifier to upper camel case: `DataBlock`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `db` should have an upper camel case name
[INFO] [stdout]   --> src/db.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub struct db {
[INFO] [stdout]    |                ^^ help: convert the identifier to upper camel case: `Db`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/db.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 |             let mut file = File::create(path).expect("invalid file path");
[INFO] [stdout]    |                 ----^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "bfc65418af5c702682177b05d881ffbc8bcec4f63b6b3b664ba2d41a254b196f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfc65418af5c702682177b05d881ffbc8bcec4f63b6b3b664ba2d41a254b196f", kill_on_drop: false }`
[INFO] [stdout] bfc65418af5c702682177b05d881ffbc8bcec4f63b6b3b664ba2d41a254b196f
[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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6dabdd28704d8712df5ace59e5a2581b202cfa3bed830aaa115e8d51b29bef32
[INFO] running `Command { std: "docker" "start" "-a" "6dabdd28704d8712df5ace59e5a2581b202cfa3bed830aaa115e8d51b29bef32", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `any::Any` and `mem`
[INFO] [stderr]  --> src/db.rs:4:15
[INFO] [stderr]   |
[INFO] [stderr] 4 |     use std::{any::Any, fmt::Debug, mem};
[INFO] [stderr]   |               ^^^^^^^^              ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/db.rs:5:19
[INFO] [stderr]   |
[INFO] [stderr] 5 |     use std::io::{self, BufWriter, Write};
[INFO] [stderr]   |                   ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type `data_block` should have an upper camel case name
[INFO] [stderr]  --> src/db.rs:9:16
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub struct data_block {
[INFO] [stderr]   |                ^^^^^^^^^^ help: convert the identifier to upper camel case: `DataBlock`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `db` should have an upper camel case name
[INFO] [stderr]   --> src/db.rs:14:16
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub struct db {
[INFO] [stderr]    |                ^^ help: convert the identifier to upper camel case: `Db`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/db.rs:44:17
[INFO] [stderr]    |
[INFO] [stderr] 44 |             let mut file = File::create(path).expect("invalid file path");
[INFO] [stderr]    |                 ----^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `sigma_db` (lib) generated 5 warnings (run `cargo fix --lib -p sigma_db` to apply 3 suggestions)
[INFO] [stderr] warning: `sigma_db` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sigma_db-01494de24f1a1438)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sigma_db
[INFO] [stderr] warning: type `data_block` should have an upper camel case name
[INFO] [stderr]  --> src/db.rs:9:16
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub struct data_block {
[INFO] [stderr]   |                ^^^^^^^^^^ help: convert the identifier to upper camel case: `DataBlock`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `db` should have an upper camel case name
[INFO] [stderr]   --> src/db.rs:14:16
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub struct db {
[INFO] [stderr]    |                ^^ help: convert the identifier to upper camel case: `Db`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6dabdd28704d8712df5ace59e5a2581b202cfa3bed830aaa115e8d51b29bef32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dabdd28704d8712df5ace59e5a2581b202cfa3bed830aaa115e8d51b29bef32", kill_on_drop: false }`
[INFO] [stdout] 6dabdd28704d8712df5ace59e5a2581b202cfa3bed830aaa115e8d51b29bef32
