[INFO] fetching crate env-var 1.0.1...
[INFO] testing env-var-1.0.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate env-var 1.0.1 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate env-var 1.0.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate env-var 1.0.1
[INFO] finished tweaking crates.io crate env-var 1.0.1
[INFO] tweaked toml for crates.io crate env-var 1.0.1 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d370b38912fd96b4e01f68c5187aac8fbfba1518281fecace052d05709007a76
[INFO] running `Command { std: "docker" "start" "-a" "d370b38912fd96b4e01f68c5187aac8fbfba1518281fecace052d05709007a76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d370b38912fd96b4e01f68c5187aac8fbfba1518281fecace052d05709007a76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d370b38912fd96b4e01f68c5187aac8fbfba1518281fecace052d05709007a76", kill_on_drop: false }`
[INFO] [stdout] d370b38912fd96b4e01f68c5187aac8fbfba1518281fecace052d05709007a76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5420cb6f3360b98b1aee520674274241355136171921cb22fc5be020a2bcc16
[INFO] running `Command { std: "docker" "start" "-a" "f5420cb6f3360b98b1aee520674274241355136171921cb22fc5be020a2bcc16", kill_on_drop: false }`
[INFO] [stderr]    Compiling env-var v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "f5420cb6f3360b98b1aee520674274241355136171921cb22fc5be020a2bcc16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5420cb6f3360b98b1aee520674274241355136171921cb22fc5be020a2bcc16", kill_on_drop: false }`
[INFO] [stdout] f5420cb6f3360b98b1aee520674274241355136171921cb22fc5be020a2bcc16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 252725650c5a85a0d238b10618493bb24d04c136b9502da3fccdcf8253fb9e91
[INFO] running `Command { std: "docker" "start" "-a" "252725650c5a85a0d238b10618493bb24d04c136b9502da3fccdcf8253fb9e91", kill_on_drop: false }`
[INFO] [stderr]    Compiling env-var v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "252725650c5a85a0d238b10618493bb24d04c136b9502da3fccdcf8253fb9e91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "252725650c5a85a0d238b10618493bb24d04c136b9502da3fccdcf8253fb9e91", kill_on_drop: false }`
[INFO] [stdout] 252725650c5a85a0d238b10618493bb24d04c136b9502da3fccdcf8253fb9e91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f5a0cc7123fb43539476312d50bcdfd90b34605510fd60a8316b19bb9e9dbfbb
[INFO] running `Command { std: "docker" "start" "-a" "f5a0cc7123fb43539476312d50bcdfd90b34605510fd60a8316b19bb9e9dbfbb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/env_var-89b396e609ae8d30)
[INFO] [stdout] running 16 tests
[INFO] [stdout] test tests::get_optional_default_found ... ok
[INFO] [stdout] test tests::get_optional_default_msg_found ... ok
[INFO] [stdout] test tests::get_optional_default_notfound ... ok
[INFO] [stdout] test tests::get_optional_default_msg_notfound ... ok
[INFO] [stdout] test tests::get_optional_found ... ok
[INFO] [stdout] test tests::get_optional_msg_default_found ... ok
[INFO] [stdout] test tests::get_optional_msg_default_notfound ... ok
[INFO] [stdout] test tests::get_optional_msg_notfound ... ok
[INFO] [stdout] test tests::get_optional_notfound ... ok
[INFO] [stdout] test tests::get_required_found ... ok
[INFO] [stdout] test tests::get_required_or_default_found ... ok
[INFO] [stdout] test tests::get_optional_msg_found ... ok
[INFO] [stdout] test tests::get_required_or_default_notfound ... ok
[INFO] [stdout] test tests::get_required_msg_found ... ok
[INFO] [stdout] test tests::get_required_notfound - should panic ... ok
[INFO] [stdout] test tests::get_required_msg_notfound - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests env-var
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - env_var (line 8) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f5a0cc7123fb43539476312d50bcdfd90b34605510fd60a8316b19bb9e9dbfbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5a0cc7123fb43539476312d50bcdfd90b34605510fd60a8316b19bb9e9dbfbb", kill_on_drop: false }`
[INFO] [stdout] f5a0cc7123fb43539476312d50bcdfd90b34605510fd60a8316b19bb9e9dbfbb