[INFO] cloning repository https://github.com/juan-fdz-hawa/learning_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/juan-fdz-hawa/learning_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuan-fdz-hawa%2Flearning_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuan-fdz-hawa%2Flearning_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] de56c8d59dad71761456c4e5d66d0bc5c700b4aa
[INFO] checking juan-fdz-hawa/learning_rust against try#d7b15db413fd2070daa09a2c5b7f2ab38417429f for pr-144544
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuan-fdz-hawa%2Flearning_rust" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/juan-fdz-hawa/learning_rust
[INFO] finished tweaking git repo https://github.com/juan-fdz-hawa/learning_rust
[INFO] tweaked toml for git repo https://github.com/juan-fdz-hawa/learning_rust written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/juan-fdz-hawa/learning_rust on toolchain d7b15db413fd2070daa09a2c5b7f2ab38417429f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d7b15db413fd2070daa09a2c5b7f2ab38417429f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/juan-fdz-hawa/learning_rust 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" "+d7b15db413fd2070daa09a2c5b7f2ab38417429f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+d7b15db413fd2070daa09a2c5b7f2ab38417429f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 72df991d7e313218d3b94c24daeb619717c051504fc3a3b34e136fddc7854039
[INFO] running `Command { std: "docker" "start" "-a" "72df991d7e313218d3b94c24daeb619717c051504fc3a3b34e136fddc7854039", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72df991d7e313218d3b94c24daeb619717c051504fc3a3b34e136fddc7854039", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72df991d7e313218d3b94c24daeb619717c051504fc3a3b34e136fddc7854039", kill_on_drop: false }`
[INFO] [stdout] 72df991d7e313218d3b94c24daeb619717c051504fc3a3b34e136fddc7854039
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+d7b15db413fd2070daa09a2c5b7f2ab38417429f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41738bfcc25604fadb8983eab08fd0b555354df15f8fd315ebd5d22d1f69f776
[INFO] running `Command { std: "docker" "start" "-a" "41738bfcc25604fadb8983eab08fd0b555354df15f8fd315ebd5d22d1f69f776", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.162
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling pkg-config v0.3.31
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling cc v1.1.37
[INFO] [stderr]    Compiling openssl v0.10.68
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling native-tls v0.2.12
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking http v1.1.0
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling anyhow v1.0.93
[INFO] [stderr]     Checking icu_normalizer v1.5.0
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]    Compiling httparse v1.9.5
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking ahash v0.8.11
[INFO] [stderr]     Checking tower-service v0.3.3
[INFO] [stderr]     Checking idna_adapter v1.2.0
[INFO] [stderr]     Checking try-lock v0.2.5
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking idna v1.0.3
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]     Checking httpdate v1.0.3
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.11
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]     Checking sync_wrapper v1.0.1
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking url v2.5.3
[INFO] [stderr]     Checking mime v0.3.17
[INFO] [stderr]    Compiling event-listener v5.3.1
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking mio v1.0.2
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling flume v0.11.1
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling rustversion v1.0.18
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]     Checking tokio v1.41.1
[INFO] [stderr]     Checking futures-intrusive v0.5.0
[INFO] [stderr]     Checking anstyle-parse v0.2.6
[INFO] [stderr]     Checking hashlink v0.9.1
[INFO] [stderr]    Compiling openssl-sys v0.9.104
[INFO] [stderr]    Compiling libsqlite3-sys v0.30.1
[INFO] [stderr]     Checking colorchoice v1.0.3
[INFO] [stderr]     Checking anstyle-query v1.1.2
[INFO] [stderr]     Checking tower-layer v0.3.3
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.1
[INFO] [stderr]     Checking anstyle v1.0.10
[INFO] [stderr]     Checking authentication v0.1.0 (/opt/rustwide/workdir/session_1/authentication)
[INFO] [stderr]    Compiling async-trait v0.1.83
[INFO] [stderr]     Checking clap_lex v0.7.2
[INFO] [stderr]    Compiling thiserror v2.0.3
[INFO] [stdout] warning: function `get_admin_usernames` is never used
[INFO] [stdout]   --> session_1/authentication/src/lib.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn get_admin_usernames() -> Vec<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_users_map` is never used
[INFO] [stdout]   --> session_1/authentication/src/lib.rs:84:4
[INFO] [stdout]    |
[INFO] [stdout] 84 | fn get_users_map() -> HashMap<String, User> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking anstream v0.6.18
[INFO] [stderr]     Checking sync_wrapper v0.1.2
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling clap_derive v4.5.18
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking serde_path_to_error v0.1.16
[INFO] [stderr]    Compiling thiserror-impl v2.0.3
[INFO] [stderr]     Checking clap_builder v4.5.20
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking encoding_rs v0.8.35
[INFO] [stderr]     Checking base64 v0.22.1
[INFO] [stderr]     Checking matchit v0.7.3
[INFO] [stderr]     Checking ipnet v2.10.1
[INFO] [stderr]     Checking dashmap v6.1.0
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking dotenv v0.15.0
[INFO] [stderr]     Checking login v0.1.0 (/opt/rustwide/workdir/session_1/login)
[INFO] [stderr]     Checking rwlocks v0.1.0 (/opt/rustwide/workdir/session_2/rwlocks)
[INFO] [stdout] warning: function `get_admin_usernames` is never used
[INFO] [stdout]   --> session_1/authentication/src/lib.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn get_admin_usernames() -> Vec<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_users_map` is never used
[INFO] [stdout]   --> session_1/authentication/src/lib.rs:84:4
[INFO] [stdout]    |
[INFO] [stdout] 84 | fn get_users_map() -> HashMap<String, User> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking divide_work v0.1.0 (/opt/rustwide/workdir/session_2/divide_work)
[INFO] [stderr]     Checking deadlock v0.1.0 (/opt/rustwide/workdir/session_2/deadlock)
[INFO] [stderr]     Checking dashing v0.1.0 (/opt/rustwide/workdir/session_2/dashing)
[INFO] [stdout] warning: unused variable: `lock`
[INFO] [stdout]  --> session_2/deadlock/src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let lock = MY_SHARED.lock().unwrap();
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_lock`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lock`
[INFO] [stdout]   --> session_2/deadlock/src/main.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let lock = MY_SHARED.lock().unwrap();
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_lock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking text_input v0.1.0 (/opt/rustwide/workdir/session_1/text_input)
[INFO] [stdout] warning: unused variable: `lock`
[INFO] [stdout]   --> session_2/deadlock/src/main.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |         let lock = MY_SHARED.lock().unwrap();
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_lock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking mutexes v0.1.0 (/opt/rustwide/workdir/session_2/mutexes)
[INFO] [stderr]     Checking variables v0.1.0 (/opt/rustwide/workdir/session_1/variables)
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]  --> session_1/variables/src/main.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let m = 5;
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tokio` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/d7b15db413fd2070daa09a2c5b7f2ab38417429f/bin/rustc --crate-name tokio --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.41.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="bytes"' --cfg 'feature="default"' --cfg 'feature="fs"' --cfg 'feature="full"' --cfg 'feature="io-std"' --cfg 'feature="io-util"' --cfg 'feature="libc"' --cfg 'feature="macros"' --cfg 'feature="mio"' --cfg 'feature="net"' --cfg 'feature="parking_lot"' --cfg 'feature="process"' --cfg 'feature="rt"' --cfg 'feature="rt-multi-thread"' --cfg 'feature="signal"' --cfg 'feature="signal-hook-registry"' --cfg 'feature="socket2"' --cfg 'feature="sync"' --cfg 'feature="time"' --cfg 'feature="tokio-macros"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("bytes", "default", "fs", "full", "io-std", "io-util", "libc", "macros", "mio", "net", "parking_lot", "process", "rt", "rt-multi-thread", "signal", "signal-hook-registry", "socket2", "sync", "test-util", "time", "tokio-macros", "tracing", "windows-sys"))' -C metadata=970efa670306b35a -C extra-filename=-d6c65127897e3612 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-8e4293a600cd4db1.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-b470027081b944f0.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-75a5660a984be0d1.rmeta --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-68845dc3980f648a.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-61fd4e4df647da40.rmeta --extern signal_hook_registry=/opt/rustwide/target/debug/deps/libsignal_hook_registry-e2399da32b991283.rmeta --extern socket2=/opt/rustwide/target/debug/deps/libsocket2-7e96794e51a6ec8c.rmeta --extern tokio_macros=/opt/rustwide/target/debug/deps/libtokio_macros-229470e36ce63f36.so --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable `n` is assigned to, but never used
[INFO] [stdout]   --> session_1/variables/src/main.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut n = 5;
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_n` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `n` is never read
[INFO] [stdout]   --> session_1/variables/src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     n += 1;
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tokio` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/d7b15db413fd2070daa09a2c5b7f2ab38417429f/bin/rustc --crate-name tokio --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.41.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --cfg 'feature="bytes"' --cfg 'feature="default"' --cfg 'feature="fs"' --cfg 'feature="io-util"' --cfg 'feature="libc"' --cfg 'feature="mio"' --cfg 'feature="net"' --cfg 'feature="rt"' --cfg 'feature="socket2"' --cfg 'feature="sync"' --cfg 'feature="time"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("bytes", "default", "fs", "full", "io-std", "io-util", "libc", "macros", "mio", "net", "parking_lot", "process", "rt", "rt-multi-thread", "signal", "signal-hook-registry", "socket2", "sync", "test-util", "time", "tokio-macros", "tracing", "windows-sys"))' -C metadata=8249d318ff411600 -C extra-filename=-d5440552b09156df --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-f1ba6bac00788823.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-f7a59f2f745fab1b.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-104032c7a13cbb71.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-5124f05a105e83a8.rmeta --extern socket2=/opt/rustwide/target/debug/deps/libsocket2-9b30f314fbaacc0f.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "41738bfcc25604fadb8983eab08fd0b555354df15f8fd315ebd5d22d1f69f776", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41738bfcc25604fadb8983eab08fd0b555354df15f8fd315ebd5d22d1f69f776", kill_on_drop: false }`
[INFO] [stdout] 41738bfcc25604fadb8983eab08fd0b555354df15f8fd315ebd5d22d1f69f776