[INFO] cloning repository https://github.com/enziog/rust_test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/enziog/rust_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fenziog%2Frust_test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fenziog%2Frust_test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e7a491d41279f24994b44036c62e25635c37e1a6
[INFO] testing enziog/rust_test against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fenziog%2Frust_test" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/enziog/rust_test on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/enziog/rust_test
[INFO] finished tweaking git repo https://github.com/enziog/rust_test
[INFO] tweaked toml for git repo https://github.com/enziog/rust_test written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/enziog/rust_test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb4ac9f8d1a20468f4ad1931b18b56f8d5160b83761608c74efd67a89860fc92
[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" "eb4ac9f8d1a20468f4ad1931b18b56f8d5160b83761608c74efd67a89860fc92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb4ac9f8d1a20468f4ad1931b18b56f8d5160b83761608c74efd67a89860fc92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb4ac9f8d1a20468f4ad1931b18b56f8d5160b83761608c74efd67a89860fc92", kill_on_drop: false }`
[INFO] [stdout] eb4ac9f8d1a20468f4ad1931b18b56f8d5160b83761608c74efd67a89860fc92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 47ded7df854bbc2e28a9917b6016e011653b31e2bf22029b8b49aa9fb66fb4d8
[INFO] running `Command { std: "docker" "start" "-a" "47ded7df854bbc2e28a9917b6016e011653b31e2bf22029b8b49aa9fb66fb4d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]    Compiling serde v1.0.78
[INFO] [stderr]    Compiling podio v0.1.6
[INFO] [stderr]    Compiling memchr v2.0.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.1.3
[INFO] [stderr]    Compiling miniz_oxide v0.1.3
[INFO] [stderr]    Compiling log v0.4.5
[INFO] [stderr]    Compiling msdos_time v0.1.6
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling flate2 v1.0.2
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling zip v0.4.2
[INFO] [stderr]    Compiling synstructure v0.9.0
[INFO] [stderr]    Compiling failure v0.1.2
[INFO] [stderr]    Compiling quick-xml v0.12.3
[INFO] [stderr]    Compiling calamine v0.14.5
[INFO] [stderr]    Compiling rust_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `DataType`, `Xlsx`
[INFO] [stdout]  --> src/main.rs:3:44
[INFO] [stdout]   |
[INFO] [stdout] 3 | use calamine::{Reader, open_workbook_auto, Xlsx, DataType};
[INFO] [stdout]   |                                            ^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.82s
[INFO] running `Command { std: "docker" "inspect" "47ded7df854bbc2e28a9917b6016e011653b31e2bf22029b8b49aa9fb66fb4d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47ded7df854bbc2e28a9917b6016e011653b31e2bf22029b8b49aa9fb66fb4d8", kill_on_drop: false }`
[INFO] [stdout] 47ded7df854bbc2e28a9917b6016e011653b31e2bf22029b8b49aa9fb66fb4d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 013fdc69b0cb04531f89d2277f987b6cba29cce651fd3fc2607c2facbb7c7626
[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" "013fdc69b0cb04531f89d2277f987b6cba29cce651fd3fc2607c2facbb7c7626", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `DataType`, `Xlsx`
[INFO] [stdout]  --> src/main.rs:3:44
[INFO] [stdout]   |
[INFO] [stdout] 3 | use calamine::{Reader, open_workbook_auto, Xlsx, DataType};
[INFO] [stdout]   |                                            ^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "013fdc69b0cb04531f89d2277f987b6cba29cce651fd3fc2607c2facbb7c7626", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "013fdc69b0cb04531f89d2277f987b6cba29cce651fd3fc2607c2facbb7c7626", kill_on_drop: false }`
[INFO] [stdout] 013fdc69b0cb04531f89d2277f987b6cba29cce651fd3fc2607c2facbb7c7626
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2394eddb7dcafec2a99fe708f382199eaa88d6447cda2a6ac426bb9567a347ea
[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" "2394eddb7dcafec2a99fe708f382199eaa88d6447cda2a6ac426bb9567a347ea", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `DataType`, `Xlsx`
[INFO] [stderr]  --> src/main.rs:3:44
[INFO] [stderr]   |
[INFO] [stderr] 3 | use calamine::{Reader, open_workbook_auto, Xlsx, DataType};
[INFO] [stderr]   |                                            ^^^^  ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_test-9b068c4dbc86246c
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2394eddb7dcafec2a99fe708f382199eaa88d6447cda2a6ac426bb9567a347ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2394eddb7dcafec2a99fe708f382199eaa88d6447cda2a6ac426bb9567a347ea", kill_on_drop: false }`
[INFO] [stdout] 2394eddb7dcafec2a99fe708f382199eaa88d6447cda2a6ac426bb9567a347ea