[INFO] cloning repository https://github.com/wanjikuKim-collab/rust_tutorial [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wanjikuKim-collab/rust_tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FwanjikuKim-collab%2Frust_tutorial", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FwanjikuKim-collab%2Frust_tutorial'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6047f1426bbd3887c48e9c319816445baeec788a [INFO] checking wanjikuKim-collab/rust_tutorial against try#121a90d34197f711021eeb158e7f4184b8be8ceb for pr-140313 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FwanjikuKim-collab%2Frust_tutorial" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/wanjikuKim-collab/rust_tutorial on toolchain 121a90d34197f711021eeb158e7f4184b8be8ceb [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+121a90d34197f711021eeb158e7f4184b8be8ceb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/wanjikuKim-collab/rust_tutorial [INFO] finished tweaking git repo https://github.com/wanjikuKim-collab/rust_tutorial [INFO] tweaked toml for git repo https://github.com/wanjikuKim-collab/rust_tutorial written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/wanjikuKim-collab/rust_tutorial 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" "+121a90d34197f711021eeb158e7f4184b8be8ceb" "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 [ERROR] error running command: no output for 300 seconds [INFO] checking wanjikuKim-collab/rust_tutorial against try#121a90d34197f711021eeb158e7f4184b8be8ceb for pr-140313 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FwanjikuKim-collab%2Frust_tutorial" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/wanjikuKim-collab/rust_tutorial on toolchain 121a90d34197f711021eeb158e7f4184b8be8ceb [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+121a90d34197f711021eeb158e7f4184b8be8ceb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/wanjikuKim-collab/rust_tutorial [INFO] finished tweaking git repo https://github.com/wanjikuKim-collab/rust_tutorial [INFO] tweaked toml for git repo https://github.com/wanjikuKim-collab/rust_tutorial written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/wanjikuKim-collab/rust_tutorial 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" "+121a90d34197f711021eeb158e7f4184b8be8ceb" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+121a90d34197f711021eeb158e7f4184b8be8ceb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ef9c9cdc916de5ba6c5c6d036c5256cc2e8e2a0a52f9fe3024e4e0a13f051a58 [INFO] running `Command { std: "docker" "start" "-a" "ef9c9cdc916de5ba6c5c6d036c5256cc2e8e2a0a52f9fe3024e4e0a13f051a58", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ef9c9cdc916de5ba6c5c6d036c5256cc2e8e2a0a52f9fe3024e4e0a13f051a58", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ef9c9cdc916de5ba6c5c6d036c5256cc2e8e2a0a52f9fe3024e4e0a13f051a58", kill_on_drop: false }` [INFO] [stdout] ef9c9cdc916de5ba6c5c6d036c5256cc2e8e2a0a52f9fe3024e4e0a13f051a58 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+121a90d34197f711021eeb158e7f4184b8be8ceb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] aa03818f3692f424608f40290e6c47d9b484e1196f0e6ba8ffb4691a3562815a [INFO] running `Command { std: "docker" "start" "-a" "aa03818f3692f424608f40290e6c47d9b484e1196f0e6ba8ffb4691a3562815a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling cc v1.0.98 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking spin v0.9.8 [INFO] [stderr] Compiling ring v0.17.8 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking rust_tutorial v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Aad`, `NONCE_LEN`, `Nonce`, `SealingKey`, and `UnboundKey` [INFO] [stdout] --> src/myvec.rs:2:18 [INFO] [stdout] | [INFO] [stdout] 2 | use ring::aead::{Aad, BoundKey, Nonce, SealingKey, UnboundKey, AES_256_GCM, NONCE_LEN}; [INFO] [stdout] | ^^^ ^^^^^ ^^^^^^^^^^ ^^^^^^^^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ring::error::Unspecified` [INFO] [stdout] --> src/myvec.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use ring::error::Unspecified; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Aad`, `NONCE_LEN`, `Nonce`, `SealingKey`, and `UnboundKey` [INFO] [stdout] --> src/myvec.rs:2:18 [INFO] [stdout] | [INFO] [stdout] 2 | use ring::aead::{Aad, BoundKey, Nonce, SealingKey, UnboundKey, AES_256_GCM, NONCE_LEN}; [INFO] [stdout] | ^^^ ^^^^^ ^^^^^^^^^^ ^^^^^^^^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ring::error::Unspecified` [INFO] [stdout] --> src/myvec.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use ring::error::Unspecified; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BoundKey` [INFO] [stdout] --> src/myvec.rs:2:23 [INFO] [stdout] | [INFO] [stdout] 2 | use ring::aead::{Aad, BoundKey, Nonce, SealingKey, UnboundKey, AES_256_GCM, NONCE_LEN}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `manufacturer`, `model`, and `cc` are never read [INFO] [stdout] --> src/myvec.rs:49:5 [INFO] [stdout] | [INFO] [stdout] 48 | struct Car{ [INFO] [stdout] | --- fields in this struct [INFO] [stdout] 49 | manufacturer: String, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 50 | model: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 51 | cc: u16, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `Car` 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] [INFO] [stdout] [INFO] [stdout] warning: struct `CounterNonceSequence` is never constructed [INFO] [stdout] --> src/myvec.rs:90:12 [INFO] [stdout] | [INFO] [stdout] 90 | pub struct CounterNonceSequence(u32); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `age`, `gender`, `single`, and `name` are never read [INFO] [stdout] --> src/mystructs.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct Person{ [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 3 | pub age: u8, [INFO] [stdout] | ^^^ [INFO] [stdout] 4 | pub gender: char, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 5 | pub single: bool, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 6 | pub name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BoundKey` [INFO] [stdout] --> src/myvec.rs:2:23 [INFO] [stdout] | [INFO] [stdout] 2 | use ring::aead::{Aad, BoundKey, Nonce, SealingKey, UnboundKey, AES_256_GCM, NONCE_LEN}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/myvec.rs:112:5 [INFO] [stdout] | [INFO] [stdout] 112 | rand.fill(&mut key_bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 112 | let _ = rand.fill(&mut key_bytes); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `manufacturer`, `model`, and `cc` are never read [INFO] [stdout] --> src/myvec.rs:49:5 [INFO] [stdout] | [INFO] [stdout] 48 | struct Car{ [INFO] [stdout] | --- fields in this struct [INFO] [stdout] 49 | manufacturer: String, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 50 | model: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 51 | cc: u16, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `Car` 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] [INFO] [stdout] [INFO] [stdout] warning: struct `CounterNonceSequence` is never constructed [INFO] [stdout] --> src/myvec.rs:90:12 [INFO] [stdout] | [INFO] [stdout] 90 | pub struct CounterNonceSequence(u32); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `age`, `gender`, `single`, and `name` are never read [INFO] [stdout] --> src/mystructs.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct Person{ [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 3 | pub age: u8, [INFO] [stdout] | ^^^ [INFO] [stdout] 4 | pub gender: char, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 5 | pub single: bool, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 6 | pub name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/myvec.rs:112:5 [INFO] [stdout] | [INFO] [stdout] 112 | rand.fill(&mut key_bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 112 | let _ = rand.fill(&mut key_bytes); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.77s [INFO] running `Command { std: "docker" "inspect" "aa03818f3692f424608f40290e6c47d9b484e1196f0e6ba8ffb4691a3562815a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aa03818f3692f424608f40290e6c47d9b484e1196f0e6ba8ffb4691a3562815a", kill_on_drop: false }` [INFO] [stdout] aa03818f3692f424608f40290e6c47d9b484e1196f0e6ba8ffb4691a3562815a