[INFO] cloning repository https://github.com/shekhargulati/first-git-commit [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shekhargulati/first-git-commit" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshekhargulati%2Ffirst-git-commit", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshekhargulati%2Ffirst-git-commit'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7ccd82dbed49377ab704980c79f076b97a438e1c [INFO] testing shekhargulati/first-git-commit against beta-2021-08-22 for beta-1.55-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshekhargulati%2Ffirst-git-commit" "/workspace/builds/worker-10/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/shekhargulati/first-git-commit on toolchain beta-2021-08-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/shekhargulati/first-git-commit [INFO] finished tweaking git repo https://github.com/shekhargulati/first-git-commit [INFO] tweaked toml for git repo https://github.com/shekhargulati/first-git-commit written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate git repo https://github.com/shekhargulati/first-git-commit already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2021-08-22" "metadata" "--no-deps" "--format-version=1", 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] 13569433a640fc2623f3d6ab8ed4f75063c8ffdfa566c4e970ad84535fad24a1 [INFO] running `Command { std: "docker" "start" "-a" "13569433a640fc2623f3d6ab8ed4f75063c8ffdfa566c4e970ad84535fad24a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "13569433a640fc2623f3d6ab8ed4f75063c8ffdfa566c4e970ad84535fad24a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "13569433a640fc2623f3d6ab8ed4f75063c8ffdfa566c4e970ad84535fad24a1", kill_on_drop: false }` [INFO] [stdout] 13569433a640fc2623f3d6ab8ed4f75063c8ffdfa566c4e970ad84535fad24a1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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" "+beta-2021-08-22" "build" "--frozen" "--message-format=json", 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] ed8845ce48dd1e4aaadf52556c4cd05cd183da98d3b6e9f66e82a1cbaf4b54c7 [INFO] running `Command { std: "docker" "start" "-a" "ed8845ce48dd1e4aaadf52556c4cd05cd183da98d3b6e9f66e82a1cbaf4b54c7", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.23 [INFO] [stderr] Compiling syn v1.0.42 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling serde_json v1.0.57 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling smallvec v1.4.2 [INFO] [stderr] Compiling lock_api v0.3.4 [INFO] [stderr] Compiling parking_lot_core v0.7.2 [INFO] [stderr] Compiling parking_lot v0.10.2 [INFO] [stderr] Compiling mio v0.6.22 [INFO] [stderr] Compiling tracing v0.1.19 [INFO] [stderr] Compiling want v0.3.0 [INFO] [stderr] Compiling tungstenite v0.11.1 [INFO] [stderr] Compiling multipart v0.17.0 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling pin-project-internal v0.4.23 [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stderr] Compiling serde_derive v1.0.116 [INFO] [stderr] Compiling tokio v0.2.22 [INFO] [stderr] Compiling pin-project v0.4.23 [INFO] [stderr] Compiling futures-util v0.3.5 [INFO] [stderr] Compiling tracing-futures v0.2.4 [INFO] [stderr] Compiling tokio-util v0.3.1 [INFO] [stderr] Compiling serde v1.0.116 [INFO] [stderr] Compiling h2 v0.2.6 [INFO] [stderr] Compiling tokio-tungstenite v0.11.0 [INFO] [stderr] Compiling futures v0.3.5 [INFO] [stderr] Compiling serde_urlencoded v0.6.1 [INFO] [stderr] Compiling hyper v0.13.8 [INFO] [stderr] Compiling warp v0.2.5 [INFO] [stderr] Compiling first-git-commit v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:34:33 [INFO] [stdout] | [INFO] [stdout] 34 | ... let mut git_log_child = Command::new("git") [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: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:28:29 [INFO] [stdout] | [INFO] [stdout] 28 | / ... Command::new("git") [INFO] [stdout] 29 | | ... .arg("clone") [INFO] [stdout] 30 | | ... .arg(git_repo.repo_url) [INFO] [stdout] 31 | | ... .arg(wd) [INFO] [stdout] 32 | | ... .output(); [INFO] [stdout] | |________________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 40s [INFO] running `Command { std: "docker" "inspect" "ed8845ce48dd1e4aaadf52556c4cd05cd183da98d3b6e9f66e82a1cbaf4b54c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ed8845ce48dd1e4aaadf52556c4cd05cd183da98d3b6e9f66e82a1cbaf4b54c7", kill_on_drop: false }` [INFO] [stdout] ed8845ce48dd1e4aaadf52556c4cd05cd183da98d3b6e9f66e82a1cbaf4b54c7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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" "+beta-2021-08-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f0724acdde186f1d11ab3ad7e29ff4b2d314755abf1f7fe7df41187abb946603 [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" "f0724acdde186f1d11ab3ad7e29ff4b2d314755abf1f7fe7df41187abb946603", kill_on_drop: false }` [INFO] [stderr] Compiling first-git-commit v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:34:33 [INFO] [stdout] | [INFO] [stdout] 34 | ... let mut git_log_child = Command::new("git") [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: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:28:29 [INFO] [stdout] | [INFO] [stdout] 28 | / ... Command::new("git") [INFO] [stdout] 29 | | ... .arg("clone") [INFO] [stdout] 30 | | ... .arg(git_repo.repo_url) [INFO] [stdout] 31 | | ... .arg(wd) [INFO] [stdout] 32 | | ... .output(); [INFO] [stdout] | |________________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.35s [INFO] running `Command { std: "docker" "inspect" "f0724acdde186f1d11ab3ad7e29ff4b2d314755abf1f7fe7df41187abb946603", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f0724acdde186f1d11ab3ad7e29ff4b2d314755abf1f7fe7df41187abb946603", kill_on_drop: false }` [INFO] [stdout] f0724acdde186f1d11ab3ad7e29ff4b2d314755abf1f7fe7df41187abb946603 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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" "+beta-2021-08-22" "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] 28c45d273a962c70d9f59aa25e07b0cbb9a6304e87a83442a0a41ca916bdef14 [INFO] running `Command { std: "docker" "start" "-a" "28c45d273a962c70d9f59aa25e07b0cbb9a6304e87a83442a0a41ca916bdef14", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/main.rs:34:33 [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] 34 | ... let mut git_log_child = Command::new("git") [INFO] [stdout] [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: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:28:29 [INFO] [stderr] | [INFO] [stderr] 28 | / ... Command::new("git") [INFO] [stderr] 29 | | ... .arg("clone") [INFO] [stderr] 30 | | ... .arg(git_repo.repo_url) [INFO] [stderr] 31 | | ... .arg(wd) [INFO] [stderr] 32 | | ... .output(); [INFO] [stderr] | |________________________________________^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: `first-git-commit` (bin "first-git-commit" test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.11s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/first_git_commit-aee3c8a9efaf8ad9) [INFO] running `Command { std: "docker" "inspect" "28c45d273a962c70d9f59aa25e07b0cbb9a6304e87a83442a0a41ca916bdef14", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "28c45d273a962c70d9f59aa25e07b0cbb9a6304e87a83442a0a41ca916bdef14", kill_on_drop: false }` [INFO] [stdout] 28c45d273a962c70d9f59aa25e07b0cbb9a6304e87a83442a0a41ca916bdef14