[INFO] cloning repository https://github.com/DMWhittington/d20_helper [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DMWhittington/d20_helper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDMWhittington%2Fd20_helper", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDMWhittington%2Fd20_helper'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 24f6ff666c6d57658dee2c87def68ffd92513247 [INFO] testing DMWhittington/d20_helper against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDMWhittington%2Fd20_helper" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/DMWhittington/d20_helper on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/DMWhittington/d20_helper [INFO] finished tweaking git repo https://github.com/DMWhittington/d20_helper [INFO] tweaked toml for git repo https://github.com/DMWhittington/d20_helper written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/DMWhittington/d20_helper already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3fdbf10c5ce16d4996c6c7b91c53fa1fb16e0a90225241da967d24981a2cb1c9 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "3fdbf10c5ce16d4996c6c7b91c53fa1fb16e0a90225241da967d24981a2cb1c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3fdbf10c5ce16d4996c6c7b91c53fa1fb16e0a90225241da967d24981a2cb1c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3fdbf10c5ce16d4996c6c7b91c53fa1fb16e0a90225241da967d24981a2cb1c9", kill_on_drop: false }` [INFO] [stdout] 3fdbf10c5ce16d4996c6c7b91c53fa1fb16e0a90225241da967d24981a2cb1c9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 18e070c76ddb55e4786626f7a3564bc25469f436f2991803756142fefbfab07a [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "18e070c76ddb55e4786626f7a3564bc25469f436f2991803756142fefbfab07a", kill_on_drop: false }` [INFO] [stderr] Compiling rand_core v0.3.0 [INFO] [stderr] Compiling rand_core v0.2.2 [INFO] [stderr] Compiling rand v0.5.5 [INFO] [stderr] Compiling d20_system v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::io::BufRead` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::io::BufRead; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `throw` is never read [INFO] [stdout] --> src/main.rs:16:13 [INFO] [stdout] | [INFO] [stdout] 16 | let mut throw = 0; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `d_size` [INFO] [stdout] --> src/main.rs:17:13 [INFO] [stdout] | [INFO] [stdout] 17 | let mut d_size = 0; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_d_size` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | let mut d_size = 0; [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] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.20s [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "18e070c76ddb55e4786626f7a3564bc25469f436f2991803756142fefbfab07a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "18e070c76ddb55e4786626f7a3564bc25469f436f2991803756142fefbfab07a", kill_on_drop: false }` [INFO] [stdout] 18e070c76ddb55e4786626f7a3564bc25469f436f2991803756142fefbfab07a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 80c6aff7f585e05a04452bc9b5dcd06ddd716e7a9c570160d5ef7a349648efbd [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "80c6aff7f585e05a04452bc9b5dcd06ddd716e7a9c570160d5ef7a349648efbd", kill_on_drop: false }` [INFO] [stderr] Compiling d20_system v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::io::BufRead` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::io::BufRead; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `throw` is never read [INFO] [stdout] --> src/main.rs:16:13 [INFO] [stdout] | [INFO] [stdout] 16 | let mut throw = 0; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `d_size` [INFO] [stdout] --> src/main.rs:17:13 [INFO] [stdout] | [INFO] [stdout] 17 | let mut d_size = 0; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_d_size` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | let mut d_size = 0; [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: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.74s [INFO] running `Command { std: "docker" "inspect" "80c6aff7f585e05a04452bc9b5dcd06ddd716e7a9c570160d5ef7a349648efbd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "80c6aff7f585e05a04452bc9b5dcd06ddd716e7a9c570160d5ef7a349648efbd", kill_on_drop: false }` [INFO] [stdout] 80c6aff7f585e05a04452bc9b5dcd06ddd716e7a9c570160d5ef7a349648efbd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] d0d8d61427a1f38b6a9a2c7d6c39ef82748660c4bf71e47e4e2c4c6120347784 [INFO] running `Command { std: "docker" "start" "-a" "d0d8d61427a1f38b6a9a2c7d6c39ef82748660c4bf71e47e4e2c4c6120347784", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: unused import: `std::io::BufRead` [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/main.rs:8:5 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 8 | use std::io::BufRead; [INFO] [stdout] [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `throw` is never read [INFO] [stderr] --> src/main.rs:16:13 [INFO] [stderr] | [INFO] [stderr] 16 | let mut throw = 0; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `d_size` [INFO] [stderr] --> src/main.rs:17:13 [INFO] [stderr] | [INFO] [stderr] 17 | let mut d_size = 0; [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_d_size` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:17:9 [INFO] [stderr] | [INFO] [stderr] 17 | let mut d_size = 0; [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/d20_system-bf110a80e5cb39a6) [INFO] running `Command { std: "docker" "inspect" "d0d8d61427a1f38b6a9a2c7d6c39ef82748660c4bf71e47e4e2c4c6120347784", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d0d8d61427a1f38b6a9a2c7d6c39ef82748660c4bf71e47e4e2c4c6120347784", kill_on_drop: false }` [INFO] [stdout] d0d8d61427a1f38b6a9a2c7d6c39ef82748660c4bf71e47e4e2c4c6120347784