[INFO] fetching crate muncher 0.6.1...
[INFO] testing muncher-0.6.1 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate muncher 0.6.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate muncher 0.6.1 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate muncher 0.6.1
[INFO] finished tweaking crates.io crate muncher 0.6.1
[INFO] tweaked toml for crates.io crate muncher 0.6.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c44942defaf4ce659e557cc23fb21711d49c5b42cea79bfe3d853ede669b4aa
[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" "7c44942defaf4ce659e557cc23fb21711d49c5b42cea79bfe3d853ede669b4aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c44942defaf4ce659e557cc23fb21711d49c5b42cea79bfe3d853ede669b4aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c44942defaf4ce659e557cc23fb21711d49c5b42cea79bfe3d853ede669b4aa", kill_on_drop: false }`
[INFO] [stdout] 7c44942defaf4ce659e557cc23fb21711d49c5b42cea79bfe3d853ede669b4aa
[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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bb81218cd1ab784729102633a3df47e4f4583285203648471e97fc8975bc2453
[INFO] running `Command { std: "docker" "start" "-a" "bb81218cd1ab784729102633a3df47e4f4583285203648471e97fc8975bc2453", kill_on_drop: false }`
[INFO] [stderr]    Compiling muncher v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "bb81218cd1ab784729102633a3df47e4f4583285203648471e97fc8975bc2453", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb81218cd1ab784729102633a3df47e4f4583285203648471e97fc8975bc2453", kill_on_drop: false }`
[INFO] [stdout] bb81218cd1ab784729102633a3df47e4f4583285203648471e97fc8975bc2453
[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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7d6ced30083df6b6b919e92b25d78c8727b6e5f3f33fac0fddce9be628bcda1a
[INFO] running `Command { std: "docker" "start" "-a" "7d6ced30083df6b6b919e92b25d78c8727b6e5f3f33fac0fddce9be628bcda1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling muncher v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "7d6ced30083df6b6b919e92b25d78c8727b6e5f3f33fac0fddce9be628bcda1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d6ced30083df6b6b919e92b25d78c8727b6e5f3f33fac0fddce9be628bcda1a", kill_on_drop: false }`
[INFO] [stdout] 7d6ced30083df6b6b919e92b25d78c8727b6e5f3f33fac0fddce9be628bcda1a
[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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 720e932d34d686694eda6266a167e90bd36bbd4759df2c40cd939e3349a5ab71
[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" "720e932d34d686694eda6266a167e90bd36bbd4759df2c40cd939e3349a5ab71", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/muncher-b2aed698c085177f)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test muncher::tests::advance_muncher ... ok
[INFO] [stdout] test muncher::tests::peek_muncher ... ok
[INFO] [stdout] test muncher::tests::peek_range_of ... ok
[INFO] [stdout] test muncher::tests::bounds_error_this_panics_if_bounds_wrong ... ok
[INFO] [stdout] test muncher::tests::peek_count ... ok
[INFO] [stdout] test muncher::tests::test_eat_eol ... ok
[INFO] [stdout] test muncher::tests::seek_muncher ... ok
[INFO] [stdout] test muncher::tests::test_stack_code ... ok
[INFO] [stdout] test muncher::tests::test_stack_fail ... ok
[INFO] [stdout] test muncher::tests::test_stack_math ... ok
[INFO] [stdout] test muncher::tests::end_eat_while_muncher ... ok
[INFO] [stdout] test muncher::tests::test_position ... ok
[INFO] [stdout] test muncher::tests::test_fork ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests muncher
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test src/lib.rs - (line 18) ... ok
[INFO] [stdout] test src/muncher.rs - muncher::Muncher::peek_range_of (line 339) ... ok
[INFO] [stdout] test src/muncher.rs - muncher::Muncher::fork (line 174) ... ok
[INFO] [stdout] test src/muncher.rs - muncher::Muncher::cursor_position (line 226) ... ok
[INFO] [stdout] test src/muncher.rs - muncher::Muncher::eat_range_of (line 661) ... ok
[INFO] [stdout] test src/muncher.rs - muncher::Muncher::eat_until_count (line 630) ... ok
[INFO] [stdout] test src/muncher.rs - muncher::Muncher::seek (line 360) ... ok
[INFO] [stdout] test src/muncher.rs - muncher::Muncher::peek_until_count (line 309) ... ok
[INFO] [stdout] test src/muncher.rs - muncher::Muncher::new (line 155) ... ok
[INFO] [stdout] test src/muncher.rs - muncher::Muncher::eat (line 380) ... ok
[INFO] [stdout] test src/lib.rs - (line 49) ... ok
[INFO] [stdout] test src/muncher.rs - muncher::Muncher::eat_until (line 593) ... ok
[INFO] [stdout] test src/muncher.rs - muncher::Muncher::brace_stack (line 197) ... ok
[INFO] [stdout] test src/lib.rs - (line 35) ... ok
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] test src/muncher.rs - muncher::Muncher::peek_until (line 278) ... ok
[INFO] [stdout] test src/muncher.rs - muncher::Stack::eat (line 47) ... ok
[INFO] [stdout] test src/muncher.rs - muncher::Stack::new (line 29) ... ok
[INFO] [stdout] test src/muncher.rs - muncher::Stack::is_matched (line 94) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.47s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "720e932d34d686694eda6266a167e90bd36bbd4759df2c40cd939e3349a5ab71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "720e932d34d686694eda6266a167e90bd36bbd4759df2c40cd939e3349a5ab71", kill_on_drop: false }`
[INFO] [stdout] 720e932d34d686694eda6266a167e90bd36bbd4759df2c40cd939e3349a5ab71