[INFO] fetching crate has_flag 0.1.1...
[INFO] testing has_flag-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate has_flag 0.1.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate has_flag 0.1.1 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 crates.io crate has_flag 0.1.1
[INFO] finished tweaking crates.io crate has_flag 0.1.1
[INFO] tweaked toml for crates.io crate has_flag 0.1.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 303583588c0d5afa8356a04837902f674b3628ef80ad1b170ca4ad2f08e21144
[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" "303583588c0d5afa8356a04837902f674b3628ef80ad1b170ca4ad2f08e21144", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "303583588c0d5afa8356a04837902f674b3628ef80ad1b170ca4ad2f08e21144", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "303583588c0d5afa8356a04837902f674b3628ef80ad1b170ca4ad2f08e21144", kill_on_drop: false }`
[INFO] [stdout] 303583588c0d5afa8356a04837902f674b3628ef80ad1b170ca4ad2f08e21144
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stdout] f76f7d177bfc26a93a42490d8bf19693870819bc31588578e225adf4830eec58
[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" "f76f7d177bfc26a93a42490d8bf19693870819bc31588578e225adf4830eec58", kill_on_drop: false }`
[INFO] [stderr]    Compiling has_flag v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "f76f7d177bfc26a93a42490d8bf19693870819bc31588578e225adf4830eec58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f76f7d177bfc26a93a42490d8bf19693870819bc31588578e225adf4830eec58", kill_on_drop: false }`
[INFO] [stdout] f76f7d177bfc26a93a42490d8bf19693870819bc31588578e225adf4830eec58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] c00043a92a1a7f974304c88b4028f526b1116256a78d64512f7476843494b838
[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" "c00043a92a1a7f974304c88b4028f526b1116256a78d64512f7476843494b838", kill_on_drop: false }`
[INFO] [stderr]    Compiling has_flag v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "c00043a92a1a7f974304c88b4028f526b1116256a78d64512f7476843494b838", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c00043a92a1a7f974304c88b4028f526b1116256a78d64512f7476843494b838", kill_on_drop: false }`
[INFO] [stdout] c00043a92a1a7f974304c88b4028f526b1116256a78d64512f7476843494b838
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] ba8faebfa397165776dfd5fe44edffe4ab13ae7c57f0e8da62d412970c2af941
[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" "ba8faebfa397165776dfd5fe44edffe4ab13ae7c57f0e8da62d412970c2af941", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/has_flag-20781ca1e538d879
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/has_flag-3e530f28ce0415f1
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test tests::don_not_match_flags_after_terminator ... ok
[INFO] [stdout] test tests::default_short_prefix ... ok
[INFO] [stdout] test tests::not_contain ... ok
[INFO] [stdout] test tests::contain_empty ... ok
[INFO] [stdout] test tests::contain_equal_sign ... ok
[INFO] [stdout] test tests::optional_prefix ... ok
[INFO] [stdout] test tests::default_prefix ... ok
[INFO] [stdout] test tests::short_and_empty ... ok
[INFO] [stdout] test tests::short_without_prefix ... ok
[INFO] [stdout] test tests::short_in_last ... ok
[INFO] [stdout] test tests::short_contain_empty ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests has_flag
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - has_flag (line 9) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - has_flag (line 9) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `env`
[INFO] [stdout]  --> src/lib.rs:11:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use env::args;
[INFO] [stdout]   |     ^^^ help: a similar path exists: `std::env`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `env`
[INFO] [stdout]   --> src/lib.rs:25:21
[INFO] [stdout]    |
[INFO] [stdout] 19 | has_flag("foo=bar", env::args().collect());
[INFO] [stdout]    |                     ^^^ use of undeclared crate or module `env`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `env`
[INFO] [stdout]   --> src/lib.rs:28:17
[INFO] [stdout]    |
[INFO] [stdout] 22 | has_flag("foo", env::args().collect());
[INFO] [stdout]    |                 ^^^ use of undeclared crate or module `env`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `env`
[INFO] [stdout]   --> src/lib.rs:31:21
[INFO] [stdout]    |
[INFO] [stdout] 25 | has_flag("rainbow", env::args().collect());
[INFO] [stdout]    |                     ^^^ use of undeclared crate or module `env`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - has_flag (line 9)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "ba8faebfa397165776dfd5fe44edffe4ab13ae7c57f0e8da62d412970c2af941", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba8faebfa397165776dfd5fe44edffe4ab13ae7c57f0e8da62d412970c2af941", kill_on_drop: false }`
[INFO] [stdout] ba8faebfa397165776dfd5fe44edffe4ab13ae7c57f0e8da62d412970c2af941