[INFO] cloning repository https://github.com/neolcr/dbms-comp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/neolcr/dbms-comp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneolcr%2Fdbms-comp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneolcr%2Fdbms-comp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] acea38fcc31aac32be5e77cd081caa4979639506
[INFO] checking neolcr/dbms-comp against try#943e2200e35c3825486c4671b6cab0107a07f8c1 for pr-148952
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneolcr%2Fdbms-comp" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/neolcr/dbms-comp
[INFO] finished tweaking git repo https://github.com/neolcr/dbms-comp
[INFO] tweaked toml for git repo https://github.com/neolcr/dbms-comp written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/neolcr/dbms-comp on toolchain 943e2200e35c3825486c4671b6cab0107a07f8c1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/neolcr/dbms-comp 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" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking neolcr/dbms-comp against try#943e2200e35c3825486c4671b6cab0107a07f8c1 for pr-148952
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneolcr%2Fdbms-comp" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/neolcr/dbms-comp
[INFO] finished tweaking git repo https://github.com/neolcr/dbms-comp
[INFO] tweaked toml for git repo https://github.com/neolcr/dbms-comp written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/neolcr/dbms-comp on toolchain 943e2200e35c3825486c4671b6cab0107a07f8c1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/neolcr/dbms-comp 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" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26d74dcb2dc4f8319c356beed7475ca4da9c2a0a3827906868c78ebd9528595d
[INFO] running `Command { std: "docker" "start" "-a" "26d74dcb2dc4f8319c356beed7475ca4da9c2a0a3827906868c78ebd9528595d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26d74dcb2dc4f8319c356beed7475ca4da9c2a0a3827906868c78ebd9528595d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26d74dcb2dc4f8319c356beed7475ca4da9c2a0a3827906868c78ebd9528595d", kill_on_drop: false }`
[INFO] [stdout] 26d74dcb2dc4f8319c356beed7475ca4da9c2a0a3827906868c78ebd9528595d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f05ee06486b1e62368db6a4bdb2e8c77e0a175c7452911500933b0af2c70923
[INFO] running `Command { std: "docker" "start" "-a" "3f05ee06486b1e62368db6a4bdb2e8c77e0a175c7452911500933b0af2c70923", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.168
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking env_logger v0.9.3
[INFO] [stderr]     Checking learn2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `regex::Regex`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use regex::Regex;
[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: `regex::Regex`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use regex::Regex;
[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 variable: `valid_keyword`
[INFO] [stdout]    --> src/main.rs:147:9
[INFO] [stdout]     |
[INFO] [stdout] 147 |     let valid_keyword = vec![
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_valid_keyword`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `valid_keyword`
[INFO] [stdout]    --> src/main.rs:147:9
[INFO] [stdout]     |
[INFO] [stdout] 147 |     let valid_keyword = vec![
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_valid_keyword`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Base` is never used
[INFO] [stdout]    --> src/main.rs:215:7
[INFO] [stdout]     |
[INFO] [stdout] 215 | trait Base: {}
[INFO] [stdout]     |       ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SqlAST` is never constructed
[INFO] [stdout]    --> src/main.rs:218:8
[INFO] [stdout]     |
[INFO] [stdout] 218 | struct SqlAST {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SqlCommand` is never used
[INFO] [stdout]    --> src/main.rs:224:6
[INFO] [stdout]     |
[INFO] [stdout] 224 | enum SqlCommand {
[INFO] [stdout]     |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Base` is never used
[INFO] [stdout]    --> src/main.rs:215:7
[INFO] [stdout]     |
[INFO] [stdout] 215 | trait Base: {}
[INFO] [stdout]     |       ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SqlAST` is never constructed
[INFO] [stdout]    --> src/main.rs:218:8
[INFO] [stdout]     |
[INFO] [stdout] 218 | struct SqlAST {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SqlCommand` is never used
[INFO] [stdout]    --> src/main.rs:224:6
[INFO] [stdout]     |
[INFO] [stdout] 224 | enum SqlCommand {
[INFO] [stdout]     |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Select` is never constructed
[INFO] [stdout]    --> src/main.rs:232:8
[INFO] [stdout]     |
[INFO] [stdout] 232 | struct Select {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Insert` is never constructed
[INFO] [stdout]    --> src/main.rs:242:8
[INFO] [stdout]     |
[INFO] [stdout] 242 | struct Insert;
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Update` is never constructed
[INFO] [stdout]    --> src/main.rs:245:8
[INFO] [stdout]     |
[INFO] [stdout] 245 | struct Update;
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Delete` is never constructed
[INFO] [stdout]    --> src/main.rs:248:8
[INFO] [stdout]     |
[INFO] [stdout] 248 | struct Delete;
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Column` is never constructed
[INFO] [stdout]    --> src/main.rs:251:8
[INFO] [stdout]     |
[INFO] [stdout] 251 | struct Column {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Table` is never constructed
[INFO] [stdout]    --> src/main.rs:256:8
[INFO] [stdout]     |
[INFO] [stdout] 256 | struct Table {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `OrderBy` is never constructed
[INFO] [stdout]    --> src/main.rs:261:8
[INFO] [stdout]     |
[INFO] [stdout] 261 | struct OrderBy {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Condition` is never constructed
[INFO] [stdout]    --> src/main.rs:267:8
[INFO] [stdout]     |
[INFO] [stdout] 267 | struct Condition {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Expression` is never constructed
[INFO] [stdout]    --> src/main.rs:275:8
[INFO] [stdout]     |
[INFO] [stdout] 275 | struct Expression {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ComparisonOp` is never used
[INFO] [stdout]    --> src/main.rs:283:6
[INFO] [stdout]     |
[INFO] [stdout] 283 | enum ComparisonOp {
[INFO] [stdout]     |      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `BinaryOp` is never used
[INFO] [stdout]    --> src/main.rs:291:6
[INFO] [stdout]     |
[INFO] [stdout] 291 | enum BinaryOp {
[INFO] [stdout]     |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Value` is never used
[INFO] [stdout]    --> src/main.rs:300:6
[INFO] [stdout]     |
[INFO] [stdout] 300 | enum Value {
[INFO] [stdout]     |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `OrderDirection` is never used
[INFO] [stdout]    --> src/main.rs:308:6
[INFO] [stdout]     |
[INFO] [stdout] 308 | enum OrderDirection {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Select` is never constructed
[INFO] [stdout]    --> src/main.rs:232:8
[INFO] [stdout]     |
[INFO] [stdout] 232 | struct Select {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Insert` is never constructed
[INFO] [stdout]    --> src/main.rs:242:8
[INFO] [stdout]     |
[INFO] [stdout] 242 | struct Insert;
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Update` is never constructed
[INFO] [stdout]    --> src/main.rs:245:8
[INFO] [stdout]     |
[INFO] [stdout] 245 | struct Update;
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Delete` is never constructed
[INFO] [stdout]    --> src/main.rs:248:8
[INFO] [stdout]     |
[INFO] [stdout] 248 | struct Delete;
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Column` is never constructed
[INFO] [stdout]    --> src/main.rs:251:8
[INFO] [stdout]     |
[INFO] [stdout] 251 | struct Column {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Table` is never constructed
[INFO] [stdout]    --> src/main.rs:256:8
[INFO] [stdout]     |
[INFO] [stdout] 256 | struct Table {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `OrderBy` is never constructed
[INFO] [stdout]    --> src/main.rs:261:8
[INFO] [stdout]     |
[INFO] [stdout] 261 | struct OrderBy {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Condition` is never constructed
[INFO] [stdout]    --> src/main.rs:267:8
[INFO] [stdout]     |
[INFO] [stdout] 267 | struct Condition {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Expression` is never constructed
[INFO] [stdout]    --> src/main.rs:275:8
[INFO] [stdout]     |
[INFO] [stdout] 275 | struct Expression {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ComparisonOp` is never used
[INFO] [stdout]    --> src/main.rs:283:6
[INFO] [stdout]     |
[INFO] [stdout] 283 | enum ComparisonOp {
[INFO] [stdout]     |      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `BinaryOp` is never used
[INFO] [stdout]    --> src/main.rs:291:6
[INFO] [stdout]     |
[INFO] [stdout] 291 | enum BinaryOp {
[INFO] [stdout]     |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Value` is never used
[INFO] [stdout]    --> src/main.rs:300:6
[INFO] [stdout]     |
[INFO] [stdout] 300 | enum Value {
[INFO] [stdout]     |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `OrderDirection` is never used
[INFO] [stdout]    --> src/main.rs:308:6
[INFO] [stdout]     |
[INFO] [stdout] 308 | enum OrderDirection {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.45s
[INFO] running `Command { std: "docker" "inspect" "3f05ee06486b1e62368db6a4bdb2e8c77e0a175c7452911500933b0af2c70923", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f05ee06486b1e62368db6a4bdb2e8c77e0a175c7452911500933b0af2c70923", kill_on_drop: false }`
[INFO] [stdout] 3f05ee06486b1e62368db6a4bdb2e8c77e0a175c7452911500933b0af2c70923
