[INFO] cloning repository https://github.com/AnthonyDest/Rust-Flamegraph-Profiler [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AnthonyDest/Rust-Flamegraph-Profiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnthonyDest%2FRust-Flamegraph-Profiler", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnthonyDest%2FRust-Flamegraph-Profiler'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 53ff2b3ae951d7a8f5bbd7528a05d933e2dd5de4 [INFO] checking AnthonyDest/Rust-Flamegraph-Profiler against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnthonyDest%2FRust-Flamegraph-Profiler" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/AnthonyDest/Rust-Flamegraph-Profiler [INFO] finished tweaking git repo https://github.com/AnthonyDest/Rust-Flamegraph-Profiler [INFO] tweaked toml for git repo https://github.com/AnthonyDest/Rust-Flamegraph-Profiler written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/AnthonyDest/Rust-Flamegraph-Profiler on toolchain b1f2594eac607c1f051534800237eeedb5590a49 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/AnthonyDest/Rust-Flamegraph-Profiler 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 035dcfaa23bbb8d79cd6d5fcb638bb6c595c9a38350ad23cb3129d9b3fdf05b7 [INFO] running `Command { std: "docker" "start" "-a" "035dcfaa23bbb8d79cd6d5fcb638bb6c595c9a38350ad23cb3129d9b3fdf05b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "035dcfaa23bbb8d79cd6d5fcb638bb6c595c9a38350ad23cb3129d9b3fdf05b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "035dcfaa23bbb8d79cd6d5fcb638bb6c595c9a38350ad23cb3129d9b3fdf05b7", kill_on_drop: false }` [INFO] [stdout] 035dcfaa23bbb8d79cd6d5fcb638bb6c595c9a38350ad23cb3129d9b3fdf05b7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b13673eba0acd5588f97d255f95899c933d9fbdd0d238c795985f2865c08157f [INFO] running `Command { std: "docker" "start" "-a" "b13673eba0acd5588f97d255f95899c933d9fbdd0d238c795985f2865c08157f", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Checking cpuid-bool v0.1.2 [INFO] [stderr] Checking opaque-debug v0.3.0 [INFO] [stderr] Checking hex v0.4.2 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.5 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Checking crossbeam-channel v0.4.3 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking crossbeam v0.7.3 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Checking block-buffer v0.9.0 [INFO] [stderr] Checking sha2 v0.9.1 [INFO] [stderr] Checking lab4 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `super::Event` [INFO] [stdout] --> src/idea.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use super::Event; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> src/idea.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::Event` [INFO] [stdout] --> src/package.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use super::Event; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> src/package.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Event` [INFO] [stdout] --> src/student.rs:1:63 [INFO] [stdout] | [INFO] [stdout] 1 | use super::{checksum::Checksum, idea::Idea, package::Package, Event}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Sender` [INFO] [stdout] --> src/student.rs:2:36 [INFO] [stdout] | [INFO] [stdout] 2 | use crossbeam::channel::{Receiver, Sender}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Write` and `stdout` [INFO] [stdout] --> src/student.rs:3:15 [INFO] [stdout] | [INFO] [stdout] 3 | use std::io::{stdout, Write}; [INFO] [stdout] | ^^^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `id`, `skipped_idea`, and `idea_queue` are never read [INFO] [stdout] --> src/student.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct Student { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 7 | id: usize, [INFO] [stdout] | ^^ [INFO] [stdout] ... [INFO] [stdout] 10 | skipped_idea: bool, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 14 | idea_queue: Vec, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::Event` [INFO] [stdout] --> src/idea.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use super::Event; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> src/idea.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::Event` [INFO] [stdout] --> src/package.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use super::Event; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> src/package.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Event` [INFO] [stdout] --> src/student.rs:1:63 [INFO] [stdout] | [INFO] [stdout] 1 | use super::{checksum::Checksum, idea::Idea, package::Package, Event}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Sender` [INFO] [stdout] --> src/student.rs:2:36 [INFO] [stdout] | [INFO] [stdout] 2 | use crossbeam::channel::{Receiver, Sender}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Write` and `stdout` [INFO] [stdout] --> src/student.rs:3:15 [INFO] [stdout] | [INFO] [stdout] 3 | use std::io::{stdout, Write}; [INFO] [stdout] | ^^^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `id`, `skipped_idea`, and `idea_queue` are never read [INFO] [stdout] --> src/student.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct Student { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 7 | id: usize, [INFO] [stdout] | ^^ [INFO] [stdout] ... [INFO] [stdout] 10 | skipped_idea: bool, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 14 | idea_queue: Vec, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Event` [INFO] [stdout] --> src/main.rs:6:92 [INFO] [stdout] | [INFO] [stdout] 6 | checksum::Checksum, idea::IdeaGenerator, package::PackageDownloader, student::Student, Event, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Event` [INFO] [stdout] --> src/main.rs:6:92 [INFO] [stdout] | [INFO] [stdout] 6 | checksum::Checksum, idea::IdeaGenerator, package::PackageDownloader, student::Student, Event, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.37s [INFO] running `Command { std: "docker" "inspect" "b13673eba0acd5588f97d255f95899c933d9fbdd0d238c795985f2865c08157f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b13673eba0acd5588f97d255f95899c933d9fbdd0d238c795985f2865c08157f", kill_on_drop: false }` [INFO] [stdout] b13673eba0acd5588f97d255f95899c933d9fbdd0d238c795985f2865c08157f