[INFO] fetching crate sigma_db 0.0.3...
[INFO] testing sigma_db-0.0.3 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate sigma_db 0.0.3 into /workspace/builds/worker-1-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sigma_db 0.0.3 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dea41b52c732819641f28a20438b5d6ab22d8101d7ac5a554ebc4c988e6fa367
[INFO] running `Command { std: "docker" "start" "-a" "dea41b52c732819641f28a20438b5d6ab22d8101d7ac5a554ebc4c988e6fa367", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dea41b52c732819641f28a20438b5d6ab22d8101d7ac5a554ebc4c988e6fa367", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dea41b52c732819641f28a20438b5d6ab22d8101d7ac5a554ebc4c988e6fa367", kill_on_drop: false }`
[INFO] [stdout] dea41b52c732819641f28a20438b5d6ab22d8101d7ac5a554ebc4c988e6fa367
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c17a994b189e9c3285f3a3587e8120296a57f3808fe602ef7f2b484e46edc44
[INFO] running `Command { std: "docker" "start" "-a" "1c17a994b189e9c3285f3a3587e8120296a57f3808fe602ef7f2b484e46edc44", 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 0.22s
[INFO] running `Command { std: "docker" "inspect" "1c17a994b189e9c3285f3a3587e8120296a57f3808fe602ef7f2b484e46edc44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c17a994b189e9c3285f3a3587e8120296a57f3808fe602ef7f2b484e46edc44", kill_on_drop: false }`
[INFO] [stdout] 1c17a994b189e9c3285f3a3587e8120296a57f3808fe602ef7f2b484e46edc44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d13df060dbb7c91f7485781fa79debdb60672ae394dd1741d927f71fe82a743
[INFO] running `Command { std: "docker" "start" "-a" "5d13df060dbb7c91f7485781fa79debdb60672ae394dd1741d927f71fe82a743", 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 0.23s
[INFO] running `Command { std: "docker" "inspect" "5d13df060dbb7c91f7485781fa79debdb60672ae394dd1741d927f71fe82a743", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d13df060dbb7c91f7485781fa79debdb60672ae394dd1741d927f71fe82a743", kill_on_drop: false }`
[INFO] [stdout] 5d13df060dbb7c91f7485781fa79debdb60672ae394dd1741d927f71fe82a743
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 59d34a631ee837d35dcf5d326ab40e1bc37073fc8143d6d7bd6ac2fef60d4c91
[INFO] running `Command { std: "docker" "start" "-a" "59d34a631ee837d35dcf5d326ab40e1bc37073fc8143d6d7bd6ac2fef60d4c91", 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 0.07s
[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" "59d34a631ee837d35dcf5d326ab40e1bc37073fc8143d6d7bd6ac2fef60d4c91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59d34a631ee837d35dcf5d326ab40e1bc37073fc8143d6d7bd6ac2fef60d4c91", kill_on_drop: false }`
[INFO] [stdout] 59d34a631ee837d35dcf5d326ab40e1bc37073fc8143d6d7bd6ac2fef60d4c91
