[INFO] fetching crate has_flag 0.1.1...
[INFO] testing has_flag-0.1.1 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate has_flag 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate has_flag 0.1.1 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 172d694bb18f6e4b2f47a51f9271bf436cd46785ca8d2618aa6441d7ffbfa771
[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" "172d694bb18f6e4b2f47a51f9271bf436cd46785ca8d2618aa6441d7ffbfa771", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "172d694bb18f6e4b2f47a51f9271bf436cd46785ca8d2618aa6441d7ffbfa771", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "172d694bb18f6e4b2f47a51f9271bf436cd46785ca8d2618aa6441d7ffbfa771", kill_on_drop: false }`
[INFO] [stdout] 172d694bb18f6e4b2f47a51f9271bf436cd46785ca8d2618aa6441d7ffbfa771
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ea3111e406bfd6bc9b8879e19e338289d93d48a28097bf4d34a2050f879b1be
[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" "5ea3111e406bfd6bc9b8879e19e338289d93d48a28097bf4d34a2050f879b1be", kill_on_drop: false }`
[INFO] [stderr]    Compiling has_flag v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "5ea3111e406bfd6bc9b8879e19e338289d93d48a28097bf4d34a2050f879b1be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ea3111e406bfd6bc9b8879e19e338289d93d48a28097bf4d34a2050f879b1be", kill_on_drop: false }`
[INFO] [stdout] 5ea3111e406bfd6bc9b8879e19e338289d93d48a28097bf4d34a2050f879b1be
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82ed6fe037d21bb767ba38dc756417fbc72276609e6421655af0eadb97155f84
[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" "82ed6fe037d21bb767ba38dc756417fbc72276609e6421655af0eadb97155f84", kill_on_drop: false }`
[INFO] [stderr]    Compiling has_flag v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "82ed6fe037d21bb767ba38dc756417fbc72276609e6421655af0eadb97155f84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82ed6fe037d21bb767ba38dc756417fbc72276609e6421655af0eadb97155f84", kill_on_drop: false }`
[INFO] [stdout] 82ed6fe037d21bb767ba38dc756417fbc72276609e6421655af0eadb97155f84
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c88efd7dde6b56dfa33bcc68670ea9b9a8e440fc645b46c8bb1d5b74639ee4cf
[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" "c88efd7dde6b56dfa33bcc68670ea9b9a8e440fc645b46c8bb1d5b74639ee4cf", 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/has_flag-ba3a496f40e8ec86)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/has_flag.rs (/opt/rustwide/target/debug/deps/has_flag-d1f4b4bd98edb26f)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test tests::default_prefix ... ok
[INFO] [stdout] test tests::don_not_match_flags_after_terminator ... ok
[INFO] [stdout] test tests::short_and_empty ... ok
[INFO] [stdout] test tests::optional_prefix ... ok
[INFO] [stdout] test tests::not_contain ... ok
[INFO] [stdout] test tests::contain_equal_sign ... ok
[INFO] [stdout] test tests::short_without_prefix ... ok
[INFO] [stdout] test tests::default_short_prefix ... ok
[INFO] [stdout] test tests::contain_empty ... ok
[INFO] [stdout] test tests::short_contain_empty ... ok
[INFO] [stdout] test tests::short_in_last ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests has_flag
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[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; finished in 0.14s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c88efd7dde6b56dfa33bcc68670ea9b9a8e440fc645b46c8bb1d5b74639ee4cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c88efd7dde6b56dfa33bcc68670ea9b9a8e440fc645b46c8bb1d5b74639ee4cf", kill_on_drop: false }`
[INFO] [stdout] c88efd7dde6b56dfa33bcc68670ea9b9a8e440fc645b46c8bb1d5b74639ee4cf