[INFO] crate iron 0.6.0 is already in cache
[INFO] extracting crate iron 0.6.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/iron/0.6.0
[INFO] extracting crate iron 0.6.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/iron/0.6.0
[INFO] validating manifest of iron-0.6.0 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of iron-0.6.0 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing iron-0.6.0
[INFO] finished frobbing iron-0.6.0
[INFO] frobbed toml for iron-0.6.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/iron/0.6.0/Cargo.toml
[INFO] started frobbing iron-0.6.0
[INFO] finished frobbing iron-0.6.0
[INFO] frobbed toml for iron-0.6.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/iron/0.6.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing iron-0.6.0 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/iron/0.6.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 2b521f24ed3a3e84854638c5a7c8643c2a8f85954754e8d372989375cd1e6e80
[INFO] running `"docker" "start" "-a" "2b521f24ed3a3e84854638c5a7c8643c2a8f85954754e8d372989375cd1e6e80"`
[INFO] [stderr]    Compiling iron v0.6.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:59:20
[INFO] [stderr]    |
[INFO] [stderr] 59 |         self.error.cause()
[INFO] [stderr]    |                    ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "2b521f24ed3a3e84854638c5a7c8643c2a8f85954754e8d372989375cd1e6e80"`
[INFO] running `"docker" "rm" "-f" "2b521f24ed3a3e84854638c5a7c8643c2a8f85954754e8d372989375cd1e6e80"`
[INFO] [stdout] 2b521f24ed3a3e84854638c5a7c8643c2a8f85954754e8d372989375cd1e6e80
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/iron/0.6.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 5294301d43869d1e604e3242726ffb21fa2d2ee18626f5989378707862560204
[INFO] running `"docker" "start" "-a" "5294301d43869d1e604e3242726ffb21fa2d2ee18626f5989378707862560204"`
[INFO] [stderr]    Compiling iron v0.6.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:59:20
[INFO] [stderr]    |
[INFO] [stderr] 59 |         self.error.cause()
[INFO] [stderr]    |                    ^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:2:24
[INFO] [stderr]    |
[INFO] [stderr] 2  | #![cfg_attr(test, deny(warnings))]
[INFO] [stderr]    |                        ^^^^^^^^
[INFO] [stderr]    = note: #[warn(deprecated)] implied by #[warn(warnings)]
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.54s
[INFO] running `"docker" "inspect" "5294301d43869d1e604e3242726ffb21fa2d2ee18626f5989378707862560204"`
[INFO] running `"docker" "rm" "-f" "5294301d43869d1e604e3242726ffb21fa2d2ee18626f5989378707862560204"`
[INFO] [stdout] 5294301d43869d1e604e3242726ffb21fa2d2ee18626f5989378707862560204
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/iron/0.6.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 81873f4812abab4575b61b8c5c11e9ef76fb78c77f38a7d1a6d1ed65682ceea1
[INFO] running `"docker" "start" "-a" "81873f4812abab4575b61b8c5c11e9ef76fb78c77f38a7d1a6d1ed65682ceea1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/iron-d5c9731356f86e49
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test middleware::test::test_chain_before_error_then_handle ... ok
[INFO] [stdout] test middleware::test::test_chain_handler_error ... ok
[INFO] [stdout] test middleware::test::test_chain_before_error ... ok
[INFO] [stdout] test middleware::test::test_chain_after_error_then_handle ... ok
[INFO] [stdout] test request::url::test::test_default_port ... ok
[INFO] [stdout] test request::url::test::test_empty_password ... ok
[INFO] [stdout] test middleware::test::test_chain_after_error ... ok
[INFO] [stdout] test request::url::test::test_explicit_port ... ok
[INFO] [stdout] test request::url::test::test_conversion ... ok
[INFO] [stdout] test request::url::test::test_empty_username ... ok
[INFO] [stdout] test request::url::test::test_formatting ... ok
[INFO] [stdout] test request::url::test::test_from_str_negative ... ok
[INFO] [stdout] test request::url::test::test_from_str_positive ... ok
[INFO] [stdout] test request::url::test::test_not_empty_username ... ok
[INFO] [stdout] test request::url::test::test_https_default_port ... ok
[INFO] [stdout] test request::url::test::test_https_non_default_port ... ok
[INFO] [stdout] test middleware::test::test_chain_normal ... ok
[INFO] [stdout] test middleware::test::test_chain_handler_error_then_handle ... ok
[INFO] [stdout] test modifiers::test::test_mime_for_path ... ok
[INFO] [stdout] test request::url::test::test_not_empty_password ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests iron
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/macros.rs - itry (line 14) ... ignored
[INFO] [stdout] test src/lib.rs -  (line 21) ... ok
[INFO] [stdout] test src/middleware/mod.rs - middleware (line 14) ... ok
[INFO] [stdout] test src/lib.rs - prelude (line 114) ... ok
[INFO] [stdout] test src/modifiers.rs - modifiers (line 14) ... ok
[INFO] [stdout] test src/middleware/mod.rs - middleware (line 52) ... ok
[INFO] [stdout] test src/modifiers.rs - modifiers (line 25) ... ok
[INFO] [stdout] test src/modifiers.rs - modifiers (line 33) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "81873f4812abab4575b61b8c5c11e9ef76fb78c77f38a7d1a6d1ed65682ceea1"`
[INFO] running `"docker" "rm" "-f" "81873f4812abab4575b61b8c5c11e9ef76fb78c77f38a7d1a6d1ed65682ceea1"`
[INFO] [stdout] 81873f4812abab4575b61b8c5c11e9ef76fb78c77f38a7d1a6d1ed65682ceea1