[INFO] fetching crate gerasdb 0.0.1-dev...
[INFO] checking gerasdb-0.0.1-dev against master#119d2a1a98fe87d4ae6cabf12134a0ef2fb95851 for pr-75180
[INFO] extracting crate gerasdb 0.0.1-dev into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate gerasdb 0.0.1-dev on toolchain 119d2a1a98fe87d4ae6cabf12134a0ef2fb95851
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gerasdb 0.0.1-dev
[INFO] finished tweaking crates.io crate gerasdb 0.0.1-dev
[INFO] tweaked toml for crates.io crate gerasdb 0.0.1-dev written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a721a4adab98b1ff7af4a504b8df196d3f141214f6e668fb3d8b56ff0dfb2790
[INFO] running `Command { std: "docker" "start" "-a" "a721a4adab98b1ff7af4a504b8df196d3f141214f6e668fb3d8b56ff0dfb2790", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a721a4adab98b1ff7af4a504b8df196d3f141214f6e668fb3d8b56ff0dfb2790", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a721a4adab98b1ff7af4a504b8df196d3f141214f6e668fb3d8b56ff0dfb2790", kill_on_drop: false }`
[INFO] [stdout] a721a4adab98b1ff7af4a504b8df196d3f141214f6e668fb3d8b56ff0dfb2790
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fcda88d4d348cdd0f07b4de7cf8af958242e24859c95e38ebf156242b3070b7e
[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" "fcda88d4d348cdd0f07b4de7cf8af958242e24859c95e38ebf156242b3070b7e", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking fallible-streaming-iterator v0.1.9
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]    Compiling libsqlite3-sys v0.18.0
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking rusqlite v0.23.1
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.5
[INFO] [stderr]     Checking r2d2 v0.8.9
[INFO] [stderr]     Checking r2d2_sqlite v0.16.0
[INFO] [stderr]     Checking gerasdb v0.0.1-dev (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Connection`, `NO_PARAMS`, `params`
[INFO] [stdout]  --> src/lib.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rusqlite::{params, Connection, Result, NO_PARAMS};
[INFO] [stdout]   |                ^^^^^^  ^^^^^^^^^^          ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Connection`
[INFO] [stdout]  --> src/initialize_db.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rusqlite::{Connection, NO_PARAMS};
[INFO] [stdout]   |                ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `Mutex`
[INFO] [stdout]  --> src/initialize_db.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::sync::{Arc, Mutex};
[INFO] [stdout]   |                 ^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rustc_serialize::json`
[INFO] [stdout]  --> src/db_layer.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rustc_serialize::json;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Connection`, `NO_PARAMS`
[INFO] [stdout]  --> src/db_layer.rs:5:24
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rusqlite::{params, Connection, Result, NO_PARAMS};
[INFO] [stdout]   |                        ^^^^^^^^^^          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `Mutex`
[INFO] [stdout]  --> src/db_layer.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     sync::{Arc, Mutex},
[INFO] [stdout]   |            ^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `db_layer::PersistentItem`
[INFO] [stdout]  --> src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use db_layer::PersistentItem;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Connection`, `NO_PARAMS`, `params`
[INFO] [stdout]  --> src/lib.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rusqlite::{params, Connection, Result, NO_PARAMS};
[INFO] [stdout]   |                ^^^^^^  ^^^^^^^^^^          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Connection`
[INFO] [stdout]  --> src/initialize_db.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rusqlite::{Connection, NO_PARAMS};
[INFO] [stdout]   |                ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `Mutex`
[INFO] [stdout]  --> src/initialize_db.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::sync::{Arc, Mutex};
[INFO] [stdout]   |                 ^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rustc_serialize::json`
[INFO] [stdout]  --> src/db_layer.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rustc_serialize::json;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Connection`, `NO_PARAMS`
[INFO] [stdout]  --> src/db_layer.rs:5:24
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rusqlite::{params, Connection, Result, NO_PARAMS};
[INFO] [stdout]   |                        ^^^^^^^^^^          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `Mutex`
[INFO] [stdout]  --> src/db_layer.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     sync::{Arc, Mutex},
[INFO] [stdout]   |            ^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.30s
[INFO] running `Command { std: "docker" "inspect" "fcda88d4d348cdd0f07b4de7cf8af958242e24859c95e38ebf156242b3070b7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcda88d4d348cdd0f07b4de7cf8af958242e24859c95e38ebf156242b3070b7e", kill_on_drop: false }`
[INFO] [stdout] fcda88d4d348cdd0f07b4de7cf8af958242e24859c95e38ebf156242b3070b7e