[INFO] fetching crate bookshelf 1.1.4...
[INFO] testing bookshelf-1.1.4 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate bookshelf 1.1.4 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate bookshelf 1.1.4 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bookshelf 1.1.4
[INFO] finished tweaking crates.io crate bookshelf 1.1.4
[INFO] tweaked toml for crates.io crate bookshelf 1.1.4 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate bookshelf 1.1.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ada57fab8ee560eeab40f19ca34180fda5982c3eea334c32589baf0a12d1a621
[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" "ada57fab8ee560eeab40f19ca34180fda5982c3eea334c32589baf0a12d1a621", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ada57fab8ee560eeab40f19ca34180fda5982c3eea334c32589baf0a12d1a621", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ada57fab8ee560eeab40f19ca34180fda5982c3eea334c32589baf0a12d1a621", kill_on_drop: false }`
[INFO] [stdout] ada57fab8ee560eeab40f19ca34180fda5982c3eea334c32589baf0a12d1a621
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90e8f20805a7130755da2baa484091d9da66bb7d0712c8ad1d7cd05247921275
[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" "90e8f20805a7130755da2baa484091d9da66bb7d0712c8ad1d7cd05247921275", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling dtoa v0.4.7
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling cassowary v0.3.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling textwrap v0.12.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling regex v1.4.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling termion v1.5.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling shellexpand v2.1.0
[INFO] [stderr]    Compiling tui v0.14.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]    Compiling clap v3.0.0-beta.2
[INFO] [stderr]    Compiling serde_yaml v0.8.17
[INFO] [stderr]    Compiling bincode v1.3.2
[INFO] [stderr]    Compiling bookshelf v1.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `module`
[INFO] [stdout]    --> src/tui/ui.rs:236:25
[INFO] [stdout]     |
[INFO] [stdout] 236 |     fn open_item(&self, module: &String, code: &String) {}
[INFO] [stdout]     |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_module`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `code`
[INFO] [stdout]    --> src/tui/ui.rs:236:42
[INFO] [stdout]     |
[INFO] [stdout] 236 |     fn open_item(&self, module: &String, code: &String) {}
[INFO] [stdout]     |                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `input_handle`
[INFO] [stdout]   --> src/tui/event.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     input_handle: thread::JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tick_handle`
[INFO] [stdout]   --> src/tui/event.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     tick_handle: thread::JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `module_handler`
[INFO] [stdout]   --> src/tui/ui.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 |     module_handler: &'lt ModuleHandler,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `open_item`
[INFO] [stdout]    --> src/tui/ui.rs:236:8
[INFO] [stdout]     |
[INFO] [stdout] 236 |     fn open_item(&self, module: &String, code: &String) {}
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:111:21
[INFO] [stdout]     |
[INFO] [stdout] 111 | /                     match module_handler.download(&module, &code, &dest_dir) {
[INFO] [stdout] 112 | |                         Ok(()) => Ok(()),
[INFO] [stdout] 113 | |                         Err(e) => Err(e),
[INFO] [stdout] 114 | |                     };
[INFO] [stdout]     | |______________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 09s
[INFO] running `Command { std: "docker" "inspect" "90e8f20805a7130755da2baa484091d9da66bb7d0712c8ad1d7cd05247921275", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90e8f20805a7130755da2baa484091d9da66bb7d0712c8ad1d7cd05247921275", kill_on_drop: false }`
[INFO] [stdout] 90e8f20805a7130755da2baa484091d9da66bb7d0712c8ad1d7cd05247921275
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c54aa12cb115b2f7a2ab8e016ccb93d80d9beb4793df20897e8adcd3e8446d2
[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" "2c54aa12cb115b2f7a2ab8e016ccb93d80d9beb4793df20897e8adcd3e8446d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling bookshelf v1.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `module`
[INFO] [stdout]    --> src/tui/ui.rs:236:25
[INFO] [stdout]     |
[INFO] [stdout] 236 |     fn open_item(&self, module: &String, code: &String) {}
[INFO] [stdout]     |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_module`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `code`
[INFO] [stdout]    --> src/tui/ui.rs:236:42
[INFO] [stdout]     |
[INFO] [stdout] 236 |     fn open_item(&self, module: &String, code: &String) {}
[INFO] [stdout]     |                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `input_handle`
[INFO] [stdout]   --> src/tui/event.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     input_handle: thread::JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tick_handle`
[INFO] [stdout]   --> src/tui/event.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     tick_handle: thread::JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `module_handler`
[INFO] [stdout]   --> src/tui/ui.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 |     module_handler: &'lt ModuleHandler,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `open_item`
[INFO] [stdout]    --> src/tui/ui.rs:236:8
[INFO] [stdout]     |
[INFO] [stdout] 236 |     fn open_item(&self, module: &String, code: &String) {}
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:111:21
[INFO] [stdout]     |
[INFO] [stdout] 111 | /                     match module_handler.download(&module, &code, &dest_dir) {
[INFO] [stdout] 112 | |                         Ok(()) => Ok(()),
[INFO] [stdout] 113 | |                         Err(e) => Err(e),
[INFO] [stdout] 114 | |                     };
[INFO] [stdout]     | |______________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `Command { std: "docker" "inspect" "2c54aa12cb115b2f7a2ab8e016ccb93d80d9beb4793df20897e8adcd3e8446d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c54aa12cb115b2f7a2ab8e016ccb93d80d9beb4793df20897e8adcd3e8446d2", kill_on_drop: false }`
[INFO] [stdout] 2c54aa12cb115b2f7a2ab8e016ccb93d80d9beb4793df20897e8adcd3e8446d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5273ab322d82a312e769e6d0fe1528486f2b5ffb32a7786a04184802f49f8835
[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" "5273ab322d82a312e769e6d0fe1528486f2b5ffb32a7786a04184802f49f8835", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `module`
[INFO] [stderr]    --> src/tui/ui.rs:236:25
[INFO] [stderr]     |
[INFO] [stderr] 236 |     fn open_item(&self, module: &String, code: &String) {}
[INFO] [stderr]     |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_module`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `code`
[INFO] [stderr]    --> src/tui/ui.rs:236:42
[INFO] [stderr]     |
[INFO] [stderr] 236 |     fn open_item(&self, module: &String, code: &String) {}
[INFO] [stderr]     |                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `input_handle`
[INFO] [stderr]   --> src/tui/event.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     input_handle: thread::JoinHandle<()>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `tick_handle`
[INFO] [stderr]   --> src/tui/event.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     tick_handle: thread::JoinHandle<()>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `module_handler`
[INFO] [stderr]   --> src/tui/ui.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 |     module_handler: &'lt ModuleHandler,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `open_item`
[INFO] [stderr]    --> src/tui/ui.rs:236:8
[INFO] [stderr]     |
[INFO] [stderr] 236 |     fn open_item(&self, module: &String, code: &String) {}
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/main.rs:111:21
[INFO] [stderr]     |
[INFO] [stderr] 111 | /                     match module_handler.download(&module, &code, &dest_dir) {
[INFO] [stderr] 112 | |                         Ok(()) => Ok(()),
[INFO] [stderr] 113 | |                         Err(e) => Err(e),
[INFO] [stderr] 114 | |                     };
[INFO] [stderr]     | |______________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `bookshelf` (bin "bookshelf" test) generated 7 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bookshelf-5a601c1647c14882)
[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" "5273ab322d82a312e769e6d0fe1528486f2b5ffb32a7786a04184802f49f8835", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5273ab322d82a312e769e6d0fe1528486f2b5ffb32a7786a04184802f49f8835", kill_on_drop: false }`
[INFO] [stdout] 5273ab322d82a312e769e6d0fe1528486f2b5ffb32a7786a04184802f49f8835