[INFO] cloning repository https://github.com/ozgekaplan12/rust-homework2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ozgekaplan12/rust-homework2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fozgekaplan12%2Frust-homework2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fozgekaplan12%2Frust-homework2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 73a9e90a1e15700bfd1e1525b313cbed926814fe
[INFO] checking ozgekaplan12/rust-homework2 against try#2c4819a380dbddb1f2a0f4405a49fb6ed90983ae for pr-152996
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fozgekaplan12%2Frust-homework2" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ozgekaplan12/rust-homework2
[INFO] finished tweaking git repo https://github.com/ozgekaplan12/rust-homework2
[INFO] tweaked toml for git repo https://github.com/ozgekaplan12/rust-homework2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ozgekaplan12/rust-homework2 on toolchain 2c4819a380dbddb1f2a0f4405a49fb6ed90983ae
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2c4819a380dbddb1f2a0f4405a49fb6ed90983ae" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ozgekaplan12/rust-homework2 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" "+2c4819a380dbddb1f2a0f4405a49fb6ed90983ae" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stacker v0.1.15
[INFO] [stderr]   Downloaded ic-cdk v0.12.1
[INFO] [stderr]   Downloaded serde_bytes v0.11.14
[INFO] [stderr]   Downloaded ic-cdk-macros v0.8.4
[INFO] [stderr]   Downloaded serde_tokenstream v0.1.7
[INFO] [stderr]   Downloaded candid_derive v0.6.5
[INFO] [stderr]   Downloaded ic0 v0.21.1
[INFO] [stderr]   Downloaded ic-cdk-timers v0.6.0
[INFO] [stderr]   Downloaded psm v0.1.21
[INFO] [stderr]   Downloaded anyhow v1.0.80
[INFO] [stderr]   Downloaded candid v0.10.3
[INFO] [stderr]   Downloaded num-bigint v0.4.4
[INFO] [stderr]   Downloaded syn v2.0.50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+2c4819a380dbddb1f2a0f4405a49fb6ed90983ae" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 352bcb6762840980291f34358dd1177182b734011214019207a587e198c371de
[INFO] running `Command { std: "docker" "start" "-a" "352bcb6762840980291f34358dd1177182b734011214019207a587e198c371de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "352bcb6762840980291f34358dd1177182b734011214019207a587e198c371de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "352bcb6762840980291f34358dd1177182b734011214019207a587e198c371de", kill_on_drop: false }`
[INFO] [stdout] 352bcb6762840980291f34358dd1177182b734011214019207a587e198c371de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+2c4819a380dbddb1f2a0f4405a49fb6ed90983ae" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d0d20f64863b15d8f3cb558fb61525156923bd5af69c8b7df01766fa9892ca8
[INFO] running `Command { std: "docker" "start" "-a" "3d0d20f64863b15d8f3cb558fb61525156923bd5af69c8b7df01766fa9892ca8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling anyhow v1.0.80
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling syn v2.0.50
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling cpufeatures v0.2.12
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling data-encoding v2.5.0
[INFO] [stderr]    Compiling psm v0.1.21
[INFO] [stderr]    Compiling stacker v0.1.15
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]    Compiling pretty v0.12.3
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]     Checking ic0 v0.21.1
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]    Compiling candid_derive v0.6.5
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling binread_derive v2.1.0
[INFO] [stderr]    Compiling binread v2.2.0
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking ic_principal v0.1.1
[INFO] [stderr]     Checking serde_bytes v0.11.14
[INFO] [stderr]    Compiling serde_tokenstream v0.1.7
[INFO] [stderr]     Checking candid v0.10.3
[INFO] [stderr]    Compiling ic-cdk-macros v0.8.4
[INFO] [stderr]     Checking ic-cdk v0.12.1
[INFO] [stderr]     Checking ic-cdk-timers v0.6.0
[INFO] [stderr]     Checking library0_backend v0.1.0 (/opt/rustwide/workdir/src/library0_backend)
[INFO] [stdout] warning: enum `Publication` is never used
[INFO] [stdout]  --> src/library0_backend/src/lib.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Publication {
[INFO] [stdout]   |      ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Book` is never constructed
[INFO] [stdout]  --> src/library0_backend/src/lib.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Book {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Magazine` is never constructed
[INFO] [stdout]   --> src/library0_backend/src/lib.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Magazine {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_publications` is never used
[INFO] [stdout]   --> src/library0_backend/src/lib.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn print_publications(publications: Vec<Publication>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/library0_backend/src/lib.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.44s
[INFO] running `Command { std: "docker" "inspect" "3d0d20f64863b15d8f3cb558fb61525156923bd5af69c8b7df01766fa9892ca8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d0d20f64863b15d8f3cb558fb61525156923bd5af69c8b7df01766fa9892ca8", kill_on_drop: false }`
[INFO] [stdout] 3d0d20f64863b15d8f3cb558fb61525156923bd5af69c8b7df01766fa9892ca8