[INFO] cloning repository https://github.com/fahad-kirmani/To_Do_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fahad-kirmani/To_Do_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffahad-kirmani%2FTo_Do_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffahad-kirmani%2FTo_Do_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cb9a9603f2117c3bb243efa6dae3fc13f3c1e2e7
[INFO] checking fahad-kirmani/To_Do_rust against master#5337252b9952fdd9482ed6a4add17254e5bd2c40 for pr-138785
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffahad-kirmani%2FTo_Do_rust" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fahad-kirmani/To_Do_rust on toolchain 5337252b9952fdd9482ed6a4add17254e5bd2c40
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5337252b9952fdd9482ed6a4add17254e5bd2c40" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fahad-kirmani/To_Do_rust
[INFO] finished tweaking git repo https://github.com/fahad-kirmani/To_Do_rust
[INFO] tweaked toml for git repo https://github.com/fahad-kirmani/To_Do_rust written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/fahad-kirmani/To_Do_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" "+5337252b9952fdd9482ed6a4add17254e5bd2c40" "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 ic-stable-structures v0.6.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+5337252b9952fdd9482ed6a4add17254e5bd2c40" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1185682ff8898b9816e32f299424138159b836671e9d8f70882e8c2d7776326a
[INFO] running `Command { std: "docker" "start" "-a" "1185682ff8898b9816e32f299424138159b836671e9d8f70882e8c2d7776326a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1185682ff8898b9816e32f299424138159b836671e9d8f70882e8c2d7776326a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1185682ff8898b9816e32f299424138159b836671e9d8f70882e8c2d7776326a", kill_on_drop: false }`
[INFO] [stdout] 1185682ff8898b9816e32f299424138159b836671e9d8f70882e8c2d7776326a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+5337252b9952fdd9482ed6a4add17254e5bd2c40" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] affad979a49b4beff281aadb1902f4db80197f1ff9bfa9b4f88a089d414a4cbe
[INFO] running `Command { std: "docker" "start" "-a" "affad979a49b4beff281aadb1902f4db80197f1ff9bfa9b4f88a089d414a4cbe", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling rustversion v1.0.19
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling anyhow v1.0.95
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling cpufeatures v0.2.17
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling typed-arena v2.0.2
[INFO] [stderr]     Checking data-encoding v2.8.0
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling cc v1.2.13
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling pretty v0.12.3
[INFO] [stderr]    Compiling leb128 v0.2.5
[INFO] [stderr]     Checking ic0 v0.23.0
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]     Checking chrono v0.4.39
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling psm v0.1.24
[INFO] [stderr]    Compiling stacker v0.1.17
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling binread_derive v2.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling candid_derive v0.6.6
[INFO] [stderr]    Compiling binread v2.2.0
[INFO] [stderr]     Checking ic_principal v0.1.1
[INFO] [stderr]     Checking serde_bytes v0.11.15
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking ic-stable-structures v0.6.7
[INFO] [stderr]    Compiling serde_tokenstream v0.2.2
[INFO] [stderr]     Checking candid v0.10.13
[INFO] [stderr]    Compiling ic-cdk-macros v0.16.0
[INFO] [stderr]     Checking ic-cdk v0.16.0
[INFO] [stderr]     Checking TO_DO_RUST_backend v0.1.0 (/opt/rustwide/workdir/src/TO_DO_RUST_backend)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/TO_DO_RUST_backend/src/lib.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 66 |         let mut vec = vec.borrow_mut();
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/TO_DO_RUST_backend/src/lib.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let mut vec = vec.borrow_mut();
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/TO_DO_RUST_backend/src/lib.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 66 |         let mut vec = vec.borrow_mut();
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/TO_DO_RUST_backend/src/lib.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let mut vec = vec.borrow_mut();
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_STRING_SIZE` is never used
[INFO] [stdout]   --> src/TO_DO_RUST_backend/src/lib.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const MAX_STRING_SIZE: u32 = 512; // Maximum size for strings
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `TO_DO_RUST_backend` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `to_do_rust_backend`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_STRING_SIZE` is never used
[INFO] [stdout]   --> src/TO_DO_RUST_backend/src/lib.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const MAX_STRING_SIZE: u32 = 512; // Maximum size for strings
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 32.81s
[INFO] running `Command { std: "docker" "inspect" "affad979a49b4beff281aadb1902f4db80197f1ff9bfa9b4f88a089d414a4cbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "affad979a49b4beff281aadb1902f4db80197f1ff9bfa9b4f88a089d414a4cbe", kill_on_drop: false }`
[INFO] [stdout] affad979a49b4beff281aadb1902f4db80197f1ff9bfa9b4f88a089d414a4cbe