[INFO] cloning repository https://github.com/Mohd-anas0693/learn_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Mohd-anas0693/learn_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMohd-anas0693%2Flearn_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMohd-anas0693%2Flearn_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7369c8cbeb2dcb538c694dc3b6c58d00fa4b4ca7
[INFO] checking Mohd-anas0693/learn_rust/7369c8cbeb2dcb538c694dc3b6c58d00fa4b4ca7 against master#5a45ab9738330fb317d49e3594c2db5248b1e971 for pr-136303
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMohd-anas0693%2Flearn_rust" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Mohd-anas0693/learn_rust on toolchain 5a45ab9738330fb317d49e3594c2db5248b1e971
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Mohd-anas0693/learn_rust
[INFO] finished tweaking git repo https://github.com/Mohd-anas0693/learn_rust
[INFO] tweaked toml for git repo https://github.com/Mohd-anas0693/learn_rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Mohd-anas0693/learn_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" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ic-cdk v0.13.3
[INFO] [stderr]   Downloaded ic-cdk-macros v0.13.3
[INFO] [stderr]   Downloaded rustversion v1.0.16
[INFO] [stderr]   Downloaded serde_tokenstream v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e27ce41aa70f494886a906bdccc322af3d0819a6eb1d80fea0fcf5257eea42c2
[INFO] running `Command { std: "docker" "start" "-a" "e27ce41aa70f494886a906bdccc322af3d0819a6eb1d80fea0fcf5257eea42c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e27ce41aa70f494886a906bdccc322af3d0819a6eb1d80fea0fcf5257eea42c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e27ce41aa70f494886a906bdccc322af3d0819a6eb1d80fea0fcf5257eea42c2", kill_on_drop: false }`
[INFO] [stdout] e27ce41aa70f494886a906bdccc322af3d0819a6eb1d80fea0fcf5257eea42c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2045e3e504f4533f91273379e23ea3b2a07f1dc2a8e41b378ca7dd97a92339e6
[INFO] running `Command { std: "docker" "start" "-a" "2045e3e504f4533f91273379e23ea3b2a07f1dc2a8e41b378ca7dd97a92339e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.82
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling serde v1.0.202
[INFO] [stderr]    Compiling cc v1.0.97
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling thiserror v1.0.60
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling rustversion v1.0.16
[INFO] [stderr]    Compiling either v1.11.0
[INFO] [stderr]    Compiling anyhow v1.0.83
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling cpufeatures v0.2.12
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]    Compiling syn v2.0.61
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling typed-arena v2.0.2
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]    Compiling psm v0.1.21
[INFO] [stderr]    Compiling stacker v0.1.15
[INFO] [stderr]    Compiling data-encoding v2.6.0
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling unicode-width v0.1.12
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling pretty v0.12.3
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling leb128 v0.2.5
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]     Checking ic0 v0.23.0
[INFO] [stderr]     Checking ic0 v0.21.1
[INFO] [stderr]    Compiling serde_derive v1.0.202
[INFO] [stderr]    Compiling thiserror-impl v1.0.60
[INFO] [stderr]    Compiling candid_derive v0.6.6
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling binread_derive v2.1.0
[INFO] [stderr]     Checking futures-util v0.3.30
[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 num-bigint v0.4.5
[INFO] [stderr]     Checking serde_bytes v0.11.14
[INFO] [stderr]    Compiling serde_tokenstream v0.2.0
[INFO] [stderr]     Checking candid v0.10.8
[INFO] [stderr]    Compiling ic-cdk-macros v0.13.3
[INFO] [stderr]     Checking ic-cdk v0.13.3
[INFO] [stderr]     Checking ic-cdk-timers v0.7.0
[INFO] [stderr]     Checking sample_backend v0.1.0 (/opt/rustwide/workdir/src/sample_backend)
[INFO] [stdout] warning: unused variable: `user`
[INFO] [stdout]   --> src/sample_backend/src/states.rs:24:21
[INFO] [stdout]    |
[INFO] [stdout] 24 |         if let Some(user) = check_user_exist {
[INFO] [stdout]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_user`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `user`
[INFO] [stdout]   --> src/sample_backend/src/states.rs:24:21
[INFO] [stdout]    |
[INFO] [stdout] 24 |         if let Some(user) = check_user_exist {
[INFO] [stdout]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_user`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 57.36s
[INFO] running `Command { std: "docker" "inspect" "2045e3e504f4533f91273379e23ea3b2a07f1dc2a8e41b378ca7dd97a92339e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2045e3e504f4533f91273379e23ea3b2a07f1dc2a8e41b378ca7dd97a92339e6", kill_on_drop: false }`
[INFO] [stdout] 2045e3e504f4533f91273379e23ea3b2a07f1dc2a8e41b378ca7dd97a92339e6