[INFO] fetching crate lockbook_core 3.3.6...
[INFO] checking lockbook_core-3.3.6 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate lockbook_core 3.3.6 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate lockbook_core 3.3.6 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lockbook_core 3.3.6
[INFO] finished tweaking crates.io crate lockbook_core 3.3.6
[INFO] tweaked toml for crates.io crate lockbook_core 3.3.6 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5de827ace4d3c856daef66762774c4d29c818412db9550e1c4b677313f81e209
[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" "5de827ace4d3c856daef66762774c4d29c818412db9550e1c4b677313f81e209", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5de827ace4d3c856daef66762774c4d29c818412db9550e1c4b677313f81e209", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5de827ace4d3c856daef66762774c4d29c818412db9550e1c4b677313f81e209", kill_on_drop: false }`
[INFO] [stdout] 5de827ace4d3c856daef66762774c4d29c818412db9550e1c4b677313f81e209
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c1c9a25029309ccf6488c2c0831af9b74978004184e5524f5687b0888f1b157
[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" "8c1c9a25029309ccf6488c2c0831af9b74978004184e5524f5687b0888f1b157", kill_on_drop: false }`
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[INFO] [stderr]     Checking lockbook_core v3.3.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `generate_username`
[INFO] [stdout]  --> tests/new_account.rs:7:22
[INFO] [stdout]   |
[INFO] [stdout] 7 | use utils::{api_loc, generate_username, TestError};
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `generate_username`
[INFO] [stdout]   --> tests/change_file_content.rs:14:40
[INFO] [stdout]    |
[INFO] [stdout] 14 | use utils::{api_loc, generate_file_id, generate_username, TestError};
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PubKeyCryptoService`
[INFO] [stdout]   --> tests/change_file_content.rs:15:55
[INFO] [stdout]    |
[INFO] [stdout] 15 | use lockbook_core::service::crypto_service::{RsaImpl, PubKeyCryptoService};
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `generate_username`
[INFO] [stdout]   --> tests/delete_file.rs:12:40
[INFO] [stdout]    |
[INFO] [stdout] 12 | use utils::{api_loc, generate_file_id, generate_username, TestError};
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `generate_username`
[INFO] [stdout]   --> tests/create_file.rs:11:40
[INFO] [stdout]    |
[INFO] [stdout] 11 | use utils::{api_loc, generate_file_id, generate_username, TestError};
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `generate_username`
[INFO] [stdout]   --> tests/move_file.rs:13:40
[INFO] [stdout]    |
[INFO] [stdout] 13 | use utils::{api_loc, generate_file_id, generate_username, TestError};
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `generate_username`
[INFO] [stdout]   --> tests/get_updates.rs:12:40
[INFO] [stdout]    |
[INFO] [stdout] 12 | use utils::{api_loc, generate_file_id, generate_username, TestError};
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `username`
[INFO] [stdout]   --> tests/get_updates.rs:17:16
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn get_updates(username: String, file_id: String) -> Result<(Vec<FileMetadata>, u64), TestError> {
[INFO] [stdout]    |                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_username`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 44s
[INFO] running `Command { std: "docker" "inspect" "8c1c9a25029309ccf6488c2c0831af9b74978004184e5524f5687b0888f1b157", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c1c9a25029309ccf6488c2c0831af9b74978004184e5524f5687b0888f1b157", kill_on_drop: false }`
[INFO] [stdout] 8c1c9a25029309ccf6488c2c0831af9b74978004184e5524f5687b0888f1b157