[INFO] fetching crate ezregexp 0.0.1...
[INFO] testing ezregexp-0.0.1 against 1.54.0 for beta-1.55-1
[INFO] extracting crate ezregexp 0.0.1 into /workspace/builds/worker-106/source
[INFO] validating manifest of crates.io crate ezregexp 0.0.1 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ezregexp 0.0.1
[INFO] finished tweaking crates.io crate ezregexp 0.0.1
[INFO] tweaked toml for crates.io crate ezregexp 0.0.1 written to /workspace/builds/worker-106/source/Cargo.toml
[INFO] crate crates.io crate ezregexp 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9bf40bc059ad13e32aa42f7682a13aabbed96040e4623d5c521212663b0c6255
[INFO] running `Command { std: "docker" "start" "-a" "9bf40bc059ad13e32aa42f7682a13aabbed96040e4623d5c521212663b0c6255", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9bf40bc059ad13e32aa42f7682a13aabbed96040e4623d5c521212663b0c6255", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bf40bc059ad13e32aa42f7682a13aabbed96040e4623d5c521212663b0c6255", kill_on_drop: false }`
[INFO] [stdout] 9bf40bc059ad13e32aa42f7682a13aabbed96040e4623d5c521212663b0c6255
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dbeb3fbb80230cae4b525173bee0c61f368a559a5884cbfa836e19dffb003d88
[INFO] running `Command { std: "docker" "start" "-a" "dbeb3fbb80230cae4b525173bee0c61f368a559a5884cbfa836e19dffb003d88", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling ezregexp v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/builder.rs:61:18
[INFO] [stdout]    |
[INFO] [stdout] 61 |                 .intersperse(&Pattern::Raw("|".to_owned()))
[INFO] [stdout]    |                  ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.95s
[INFO] running `Command { std: "docker" "inspect" "dbeb3fbb80230cae4b525173bee0c61f368a559a5884cbfa836e19dffb003d88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbeb3fbb80230cae4b525173bee0c61f368a559a5884cbfa836e19dffb003d88", kill_on_drop: false }`
[INFO] [stdout] dbeb3fbb80230cae4b525173bee0c61f368a559a5884cbfa836e19dffb003d88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c55f632a29dfd70bbbde83c878afb274a87890d91b87e6ac11a0aa08ebecaab
[INFO] running `Command { std: "docker" "start" "-a" "5c55f632a29dfd70bbbde83c878afb274a87890d91b87e6ac11a0aa08ebecaab", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/builder.rs:61:18
[INFO] [stdout]    |
[INFO] [stdout] 61 |                 .intersperse(&Pattern::Raw("|".to_owned()))
[INFO] [stdout]    |                  ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling ezregexp v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/builder.rs:61:18
[INFO] [stdout]    |
[INFO] [stdout] 61 |                 .intersperse(&Pattern::Raw("|".to_owned()))
[INFO] [stdout]    |                  ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.04s
[INFO] running `Command { std: "docker" "inspect" "5c55f632a29dfd70bbbde83c878afb274a87890d91b87e6ac11a0aa08ebecaab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c55f632a29dfd70bbbde83c878afb274a87890d91b87e6ac11a0aa08ebecaab", kill_on_drop: false }`
[INFO] [stdout] 5c55f632a29dfd70bbbde83c878afb274a87890d91b87e6ac11a0aa08ebecaab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 108c99f69e1b5c1099f7c2c23911323931996739371a2d15275201604db643fa
[INFO] running `Command { std: "docker" "start" "-a" "108c99f69e1b5c1099f7c2c23911323931996739371a2d15275201604db643fa", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stderr]   --> src/builder.rs:61:18
[INFO] [stderr]    |
[INFO] [stderr] 61 |                 .intersperse(&Pattern::Raw("|".to_owned()))
[INFO] [stderr]    |                  ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stderr]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]    = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stderr]   --> src/builder.rs:61:18
[INFO] [stderr]    |
[INFO] [stderr] 61 |                 .intersperse(&Pattern::Raw("|".to_owned()))
[INFO] [stderr]    |                  ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stderr]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]    = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.38s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ezregexp-01e4b66aea0bfe34)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test builder::tests::test_basic_build ... ok
[INFO] [stdout] test builder::tests::test_basic_tocode ... ok
[INFO] [stderr]    Doc-tests ezregexp
[INFO] [stdout] test parser::tests::test_basic_explain ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[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] running `Command { std: "docker" "inspect" "108c99f69e1b5c1099f7c2c23911323931996739371a2d15275201604db643fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "108c99f69e1b5c1099f7c2c23911323931996739371a2d15275201604db643fa", kill_on_drop: false }`
[INFO] [stdout] 108c99f69e1b5c1099f7c2c23911323931996739371a2d15275201604db643fa
