[INFO] cloning repository https://github.com/mark405/rust3lab [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mark405/rust3lab" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmark405%2Frust3lab", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmark405%2Frust3lab'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 63cd76ab156bf07e3f2ded438325f519993d958c [INFO] checking mark405/rust3lab against try#901e6d56697c79b2e80df6a487b2318ec6f57ee3 for pr-142287 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmark405%2Frust3lab" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mark405/rust3lab on toolchain 901e6d56697c79b2e80df6a487b2318ec6f57ee3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mark405/rust3lab [INFO] finished tweaking git repo https://github.com/mark405/rust3lab [INFO] tweaked toml for git repo https://github.com/mark405/rust3lab written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/mark405/rust3lab 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" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 404d6976db5d9f6d89a3096aef0d3d9c46b0f3a39963a021e2b6db1468e31b51 [INFO] running `Command { std: "docker" "start" "-a" "404d6976db5d9f6d89a3096aef0d3d9c46b0f3a39963a021e2b6db1468e31b51", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "404d6976db5d9f6d89a3096aef0d3d9c46b0f3a39963a021e2b6db1468e31b51", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "404d6976db5d9f6d89a3096aef0d3d9c46b0f3a39963a021e2b6db1468e31b51", kill_on_drop: false }` [INFO] [stdout] 404d6976db5d9f6d89a3096aef0d3d9c46b0f3a39963a021e2b6db1468e31b51 [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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ea54c5d27c41f404e6161371b6571b9e77f189691b8a61f720013080335d27c6 [INFO] running `Command { std: "docker" "start" "-a" "ea54c5d27c41f404e6161371b6571b9e77f189691b8a61f720013080335d27c6", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.89 [INFO] [stderr] Compiling unicode-ident v1.0.13 [INFO] [stderr] Compiling libc v0.2.161 [INFO] [stderr] Compiling serde v1.0.214 [INFO] [stderr] Compiling serde_json v1.0.132 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking ryu v1.0.18 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking itoa v1.0.11 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling syn v2.0.85 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking uuid v1.11.0 [INFO] [stderr] Compiling serde_derive v1.0.214 [INFO] [stderr] Checking rust_lab3 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Result as SerdeResult` [INFO] [stdout] --> src/main.rs:2:24 [INFO] [stdout] | [INFO] [stdout] 2 | use serde_json::{self, Result as SerdeResult}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Read` and `Write` [INFO] [stdout] --> src/main.rs:4:21 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::{self, Write, Read}; [INFO] [stdout] | ^^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Result as SerdeResult` [INFO] [stdout] --> src/main.rs:2:24 [INFO] [stdout] | [INFO] [stdout] 2 | use serde_json::{self, Result as SerdeResult}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Read` and `Write` [INFO] [stdout] --> src/main.rs:4:21 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::{self, Write, Read}; [INFO] [stdout] | ^^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:11:13 [INFO] [stdout] | [INFO] [stdout] 11 | IoError(io::Error), [INFO] [stdout] | ------- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `TaskManagerError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 11 - IoError(io::Error), [INFO] [stdout] 11 + IoError(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:12:16 [INFO] [stdout] | [INFO] [stdout] 12 | SerdeError(serde_json::Error), [INFO] [stdout] | ---------- ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `TaskManagerError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 12 - SerdeError(serde_json::Error), [INFO] [stdout] 12 + SerdeError(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `edit_task` is never used [INFO] [stdout] --> src/main.rs:75:8 [INFO] [stdout] | [INFO] [stdout] 39 | impl TaskManager { [INFO] [stdout] | ---------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 75 | fn edit_task(&mut self, id: &str, new_description: &str) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:11:13 [INFO] [stdout] | [INFO] [stdout] 11 | IoError(io::Error), [INFO] [stdout] | ------- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `TaskManagerError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 11 - IoError(io::Error), [INFO] [stdout] 11 + IoError(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:12:16 [INFO] [stdout] | [INFO] [stdout] 12 | SerdeError(serde_json::Error), [INFO] [stdout] | ---------- ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `TaskManagerError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 12 - SerdeError(serde_json::Error), [INFO] [stdout] 12 + SerdeError(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `edit_task` is never used [INFO] [stdout] --> src/main.rs:75:8 [INFO] [stdout] | [INFO] [stdout] 39 | impl TaskManager { [INFO] [stdout] | ---------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 75 | fn edit_task(&mut self, id: &str, new_description: &str) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.88s [INFO] running `Command { std: "docker" "inspect" "ea54c5d27c41f404e6161371b6571b9e77f189691b8a61f720013080335d27c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ea54c5d27c41f404e6161371b6571b9e77f189691b8a61f720013080335d27c6", kill_on_drop: false }` [INFO] [stdout] ea54c5d27c41f404e6161371b6571b9e77f189691b8a61f720013080335d27c6