[INFO] fetching crate load-dotenv 0.1.1...
[INFO] checking load-dotenv-0.1.1 against master#7b3a7819371cef92a187e9bac8f7810ccde15216 for pr-74846
[INFO] extracting crate load-dotenv 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate load-dotenv 0.1.1 on toolchain 7b3a7819371cef92a187e9bac8f7810ccde15216
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate load-dotenv 0.1.1
[INFO] finished tweaking crates.io crate load-dotenv 0.1.1
[INFO] tweaked toml for crates.io crate load-dotenv 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57da82ef8b4057aac0818b922746ff3f285b5ea0b1c080b0d9dafc033b807ad6
[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" "57da82ef8b4057aac0818b922746ff3f285b5ea0b1c080b0d9dafc033b807ad6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57da82ef8b4057aac0818b922746ff3f285b5ea0b1c080b0d9dafc033b807ad6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57da82ef8b4057aac0818b922746ff3f285b5ea0b1c080b0d9dafc033b807ad6", kill_on_drop: false }`
[INFO] [stdout] 57da82ef8b4057aac0818b922746ff3f285b5ea0b1c080b0d9dafc033b807ad6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "check" "--frozen" "--all" "--all-targets" "--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] 98dd3b39fae961fa356067db55ebe0614e67bb87eedabd577889bb308cdca5f3
[INFO] running `Command { std: "docker" "start" "-a" "98dd3b39fae961fa356067db55ebe0614e67bb87eedabd577889bb308cdca5f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]     Checking miniz_oxide v0.4.0
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling backtrace v0.3.50
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]    Compiling dotenv v0.13.0
[INFO] [stderr]     Checking load-dotenv v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `try_load_dotenv`
[INFO] [stdout]  --> tests/integration_test.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | use load_dotenv::{try_load_dotenv, load_dotenv};
[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 44.81s
[INFO] running `Command { std: "docker" "inspect" "98dd3b39fae961fa356067db55ebe0614e67bb87eedabd577889bb308cdca5f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98dd3b39fae961fa356067db55ebe0614e67bb87eedabd577889bb308cdca5f3", kill_on_drop: false }`
[INFO] [stdout] 98dd3b39fae961fa356067db55ebe0614e67bb87eedabd577889bb308cdca5f3