[INFO] fetching crate flashcards 0.1.1...
[INFO] checking flashcards-0.1.1 against master#a26e97be8826d408309fffbd8168362365719f50 for pr-136776
[INFO] extracting crate flashcards 0.1.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate flashcards 0.1.1 on toolchain a26e97be8826d408309fffbd8168362365719f50
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flashcards 0.1.1
[INFO] finished tweaking crates.io crate flashcards 0.1.1
[INFO] tweaked toml for crates.io crate flashcards 0.1.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate flashcards 0.1.1 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" "+a26e97be8826d408309fffbd8168362365719f50" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 465ed4013b208ee0dc5a599086f88ada9c50de57b28d3c7d792f8ecc4a20fcfb
[INFO] running `Command { std: "docker" "start" "-a" "465ed4013b208ee0dc5a599086f88ada9c50de57b28d3c7d792f8ecc4a20fcfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "465ed4013b208ee0dc5a599086f88ada9c50de57b28d3c7d792f8ecc4a20fcfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "465ed4013b208ee0dc5a599086f88ada9c50de57b28d3c7d792f8ecc4a20fcfb", kill_on_drop: false }`
[INFO] [stdout] 465ed4013b208ee0dc5a599086f88ada9c50de57b28d3c7d792f8ecc4a20fcfb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b075b61b47eb870cf2841ce6fe2a35d42a5cde22ff5a8c3fa823da0ef653dc9
[INFO] running `Command { std: "docker" "start" "-a" "1b075b61b47eb870cf2841ce6fe2a35d42a5cde22ff5a8c3fa823da0ef653dc9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking fs_extra v1.2.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking getrandom v0.2.5
[INFO] [stderr]     Checking filetime v0.2.15
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking tar v0.4.38
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking flashcards v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `close_fds`, `id`, and `name` are never used
[INFO] [stdout]    --> src/lib.rs:124:5
[INFO] [stdout]     |
[INFO] [stdout] 22  | impl Deck {
[INFO] [stdout]     | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 124 |     fn close_fds(&self) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 130 |     fn id(&self) -> &str {
[INFO] [stdout]     |        ^^
[INFO] [stdout] ...
[INFO] [stdout] 134 |     fn name(&self) -> &str {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `open`, `close`, and `is_opened` are never used
[INFO] [stdout]    --> src/lib.rs:163:5
[INFO] [stdout]     |
[INFO] [stdout] 159 | impl FileDesc {
[INFO] [stdout]     | ------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 163 |     fn new(path: impl AsRef<Path>, rc: u32) -> Result<Self> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 180 |     fn open(&mut self, storage_path: impl AsRef<Path>) -> Result<()> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 195 |     fn close(&mut self) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 223 |     fn is_opened(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `close_fds`, `id`, and `name` are never used
[INFO] [stdout]    --> src/lib.rs:124:5
[INFO] [stdout]     |
[INFO] [stdout] 22  | impl Deck {
[INFO] [stdout]     | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 124 |     fn close_fds(&self) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 130 |     fn id(&self) -> &str {
[INFO] [stdout]     |        ^^
[INFO] [stdout] ...
[INFO] [stdout] 134 |     fn name(&self) -> &str {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `open`, `close`, and `is_opened` are never used
[INFO] [stdout]    --> src/lib.rs:163:5
[INFO] [stdout]     |
[INFO] [stdout] 159 | impl FileDesc {
[INFO] [stdout]     | ------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 163 |     fn new(path: impl AsRef<Path>, rc: u32) -> Result<Self> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 180 |     fn open(&mut self, storage_path: impl AsRef<Path>) -> Result<()> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 195 |     fn close(&mut self) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 223 |     fn is_opened(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.85s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: fs_extra v1.2.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "1b075b61b47eb870cf2841ce6fe2a35d42a5cde22ff5a8c3fa823da0ef653dc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b075b61b47eb870cf2841ce6fe2a35d42a5cde22ff5a8c3fa823da0ef653dc9", kill_on_drop: false }`
[INFO] [stdout] 1b075b61b47eb870cf2841ce6fe2a35d42a5cde22ff5a8c3fa823da0ef653dc9
