[INFO] cloning repository https://github.com/fbucek/rust-learning [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fbucek/rust-learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffbucek%2Frust-learning", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffbucek%2Frust-learning'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c9e6519936a7feebba6cd7b9148e88378b2c6b60 [INFO] checking fbucek/rust-learning against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffbucek%2Frust-learning" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/fbucek/rust-learning on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/fbucek/rust-learning [INFO] finished tweaking git repo https://github.com/fbucek/rust-learning [INFO] tweaked toml for git repo https://github.com/fbucek/rust-learning written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/fbucek/rust-learning already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c14b4c69512083bd80dcd5e1297c2310384f51ecc61901ee5fc1c498196fc14f [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" "c14b4c69512083bd80dcd5e1297c2310384f51ecc61901ee5fc1c498196fc14f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c14b4c69512083bd80dcd5e1297c2310384f51ecc61901ee5fc1c498196fc14f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c14b4c69512083bd80dcd5e1297c2310384f51ecc61901ee5fc1c498196fc14f", kill_on_drop: false }` [INFO] [stdout] c14b4c69512083bd80dcd5e1297c2310384f51ecc61901ee5fc1c498196fc14f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 07f3dedf3eeaa18d639186507e27a18411fa55945a2ba75b7144c8fd8296e59b [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" "07f3dedf3eeaa18d639186507e27a18411fa55945a2ba75b7144c8fd8296e59b", kill_on_drop: false }` [INFO] [stderr] Compiling v_htmlescape v0.4.5 [INFO] [stderr] Checking testing v0.1.0 (/opt/rustwide/workdir/testing) [INFO] [stderr] Checking loops v0.1.0 (/opt/rustwide/workdir/loops) [INFO] [stderr] Checking Test v0.1.0 (/opt/rustwide/workdir/person) [INFO] [stderr] Checking smart-pointers v0.1.0 (/opt/rustwide/workdir/smart-pointers) [INFO] [stderr] Checking minigrep v0.1.0 (/opt/rustwide/workdir/minigrep) [INFO] [stderr] Checking error v0.1.0 (/opt/rustwide/workdir/error) [INFO] [stderr] Checking vecmacro v0.1.0 (/opt/rustwide/workdir/vecmacro) [INFO] [stderr] Checking reference-cycle v0.1.0 (/opt/rustwide/workdir/reference-cycle) [INFO] [stderr] Checking hello_cargo v0.1.0 (/opt/rustwide/workdir/hello_cargo) [INFO] [stderr] Checking collections v0.1.0 (/opt/rustwide/workdir/collections) [INFO] [stderr] Checking coins v0.1.0 (/opt/rustwide/workdir/coins) [INFO] [stderr] Checking strings v0.1.0 (/opt/rustwide/workdir/strings) [INFO] [stderr] Checking lifetimes v0.1.0 (/opt/rustwide/workdir/lifetimes) [INFO] [stderr] Checking autotests v0.1.0 (/opt/rustwide/workdir/autotests) [INFO] [stdout] warning: field is never read: `part` [INFO] [stdout] --> lifetimes/src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | part: &'a str, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `id` [INFO] [stdout] --> hello_cargo/src/main.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | id: i32, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [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: field is never read: `value` [INFO] [stdout] --> reference-cycle/src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | value: i32, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `children` [INFO] [stdout] --> reference-cycle/src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | children: RefCell>>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking closures v0.1.0 (/opt/rustwide/workdir/closures) [INFO] [stderr] Checking traits v0.1.0 (/opt/rustwide/workdir/traits) [INFO] [stderr] Checking generic-types v0.1.0 (/opt/rustwide/workdir/generic-types) [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `value` [INFO] [stdout] --> reference-cycle/src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | value: i32, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `children` [INFO] [stdout] --> reference-cycle/src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | children: RefCell>>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking hasmap v0.1.0 (/opt/rustwide/workdir/hashmap) [INFO] [stderr] Compiling indexmap v1.3.1 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Compiling crossbeam-utils v0.7.0 [INFO] [stdout] warning: field is never read: `part` [INFO] [stdout] --> lifetimes/src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | part: &'a str, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling proc-macro2 v1.0.8 [INFO] [stderr] Compiling memchr v2.3.0 [INFO] [stdout] warning: field is never read: `id` [INFO] [stdout] --> hello_cargo/src/main.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | id: i32, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling backtrace-sys v0.1.32 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking getrandom v0.1.14 [INFO] [stderr] Checking parking_lot_core v0.7.0 [INFO] [stderr] Checking hostname v0.1.5 [INFO] [stderr] Checking socket2 v0.3.11 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking brotli-sys v0.3.2 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Checking flate2 v1.0.13 [INFO] [stderr] Checking threadpool v1.7.1 [INFO] [stderr] Checking regex v1.3.4 [INFO] [stderr] Checking resolv-conf v0.6.2 [INFO] [stderr] Checking chrono v0.4.10 [INFO] [stderr] Compiling mime_guess v2.0.1 [INFO] [stderr] Checking brotli2 v0.3.2 [INFO] [stderr] Checking parking_lot v0.10.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking mio v0.6.21 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking backtrace v0.3.43 [INFO] [stderr] Checking crossbeam-channel v0.4.0 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Compiling syn v1.0.14 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking guessing_game v0.1.0 (/opt/rustwide/workdir/guessing_game) [INFO] [stdout] warning: field is never read: `username` [INFO] [stdout] --> guessing_game/src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | username: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `email` [INFO] [stdout] --> guessing_game/src/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | email: String, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `sign_in_count` [INFO] [stdout] --> guessing_game/src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | sign_in_count: u64, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `active` [INFO] [stdout] --> guessing_game/src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | active: bool, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `username` [INFO] [stdout] --> guessing_game/src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | username: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `email` [INFO] [stdout] --> guessing_game/src/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | email: String, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `sign_in_count` [INFO] [stdout] --> guessing_game/src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | sign_in_count: u64, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `active` [INFO] [stdout] --> guessing_game/src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | active: bool, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking error_handling v0.1.0 (/opt/rustwide/workdir/error_handling) [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Compiling proc-macro-hack v0.5.11 [INFO] [stderr] Compiling tokio-macros v0.2.4 [INFO] [stderr] Compiling pin-project-internal v0.4.8 [INFO] [stderr] Compiling derive_more v0.99.2 [INFO] [stderr] Compiling actix-macros v0.1.1 [INFO] [stderr] Compiling failure_derive v0.1.6 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Compiling async-trait v0.1.22 [INFO] [stderr] Compiling enum-as-inner v0.3.0 [INFO] [stderr] Compiling actix-web-codegen v0.2.0 [INFO] [stderr] Compiling v_escape_derive v0.5.6 [INFO] [stderr] Compiling actix_derive v0.5.0 [INFO] [stderr] Checking tokio v0.2.11 [INFO] [stderr] Checking failure v0.1.6 [INFO] [stderr] Compiling futures-macro v0.3.1 [INFO] [stderr] Checking v_escape v0.7.4 [INFO] [stderr] Checking pin-project v0.4.8 [INFO] [stderr] Checking futures-util v0.3.1 [INFO] [stderr] Checking actix-threadpool v0.3.1 [INFO] [stderr] Checking tokio-util v0.2.0 [INFO] [stderr] Checking async-await v0.1.0 (/opt/rustwide/workdir/async-await) [INFO] [stderr] Checking actix-codec v0.2.0 [INFO] [stderr] Checking serde v1.0.104 [INFO] [stderr] Checking futures-executor v0.3.1 [INFO] [stderr] Checking actix-service v1.0.5 [INFO] [stderr] Checking h2 v0.2.1 [INFO] [stderr] Checking futures v0.3.1 [INFO] [stderr] Checking actix-rt v1.0.0 [INFO] [stderr] Checking trust-dns-proto v0.18.0-alpha.2 [INFO] [stderr] Checking actix-utils v1.0.6 [INFO] [stderr] Checking actix-server v1.0.1 [INFO] [stderr] Checking actix-tls v1.0.0 [INFO] [stderr] Checking trust-dns-resolver v0.18.0-alpha.2 [INFO] [stderr] Checking actix-testing v1.0.0 [INFO] [stderr] Checking serde_urlencoded v0.6.1 [INFO] [stderr] Checking serde_json v1.0.46 [INFO] [stderr] Checking actix-router v0.2.4 [INFO] [stderr] Checking actix-connect v1.0.2 [INFO] [stderr] Checking actix-http v1.0.1 [INFO] [stderr] Checking awc v1.0.1 [INFO] [stderr] Checking actix v0.9.0 [INFO] [stderr] Checking actix-web v2.0.0 [INFO] [stderr] Checking threads v0.1.0 (/opt/rustwide/workdir/threads) [INFO] [stderr] Checking actix-files v0.2.1 [INFO] [stderr] Checking actix-web-actors v2.0.0 [INFO] [stderr] Checking actix-vue-websocket v0.1.0 (/opt/rustwide/workdir/actix-vue-websocket) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 22s [INFO] running `Command { std: "docker" "inspect" "07f3dedf3eeaa18d639186507e27a18411fa55945a2ba75b7144c8fd8296e59b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "07f3dedf3eeaa18d639186507e27a18411fa55945a2ba75b7144c8fd8296e59b", kill_on_drop: false }` [INFO] [stdout] 07f3dedf3eeaa18d639186507e27a18411fa55945a2ba75b7144c8fd8296e59b