[INFO] fetching crate iterr 0.2.0...
[INFO] testing iterr-0.2.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate iterr 0.2.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate iterr 0.2.0 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 iterr 0.2.0
[INFO] finished tweaking crates.io crate iterr 0.2.0
[INFO] tweaked toml for crates.io crate iterr 0.2.0 written to /workspace/builds/worker-14/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] a7c947ff15ada3a67949b0388ea6ee47bbdd18e40d3a5774eae0246c167773fb
[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" "a7c947ff15ada3a67949b0388ea6ee47bbdd18e40d3a5774eae0246c167773fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7c947ff15ada3a67949b0388ea6ee47bbdd18e40d3a5774eae0246c167773fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7c947ff15ada3a67949b0388ea6ee47bbdd18e40d3a5774eae0246c167773fb", kill_on_drop: false }`
[INFO] [stdout] a7c947ff15ada3a67949b0388ea6ee47bbdd18e40d3a5774eae0246c167773fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] ee57569a099c26a59f132f655c347054731a49317125a8c5fda110d77b51df0d
[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" "ee57569a099c26a59f132f655c347054731a49317125a8c5fda110d77b51df0d", kill_on_drop: false }`
[INFO] [stderr]    Compiling iterr v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "ee57569a099c26a59f132f655c347054731a49317125a8c5fda110d77b51df0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee57569a099c26a59f132f655c347054731a49317125a8c5fda110d77b51df0d", kill_on_drop: false }`
[INFO] [stdout] ee57569a099c26a59f132f655c347054731a49317125a8c5fda110d77b51df0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 94b54bcb2d233baba283a9dccdb59977fcdc9dbfc22b66134f914f4a87d9b6f6
[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" "94b54bcb2d233baba283a9dccdb59977fcdc9dbfc22b66134f914f4a87d9b6f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling iterr v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "94b54bcb2d233baba283a9dccdb59977fcdc9dbfc22b66134f914f4a87d9b6f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94b54bcb2d233baba283a9dccdb59977fcdc9dbfc22b66134f914f4a87d9b6f6", kill_on_drop: false }`
[INFO] [stdout] 94b54bcb2d233baba283a9dccdb59977fcdc9dbfc22b66134f914f4a87d9b6f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b51bbfbb477488e3df5b0c24c3b937011c9f087721c6e73e3d34430fad35fbde
[INFO] running `Command { std: "docker" "start" "-a" "b51bbfbb477488e3df5b0c24c3b937011c9f087721c6e73e3d34430fad35fbde", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/iterr-f223f969164d98d0)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/basic.rs (/opt/rustwide/target/debug/deps/basic-eee7369cd51cd276)
[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 8 tests
[INFO] [stdout] test test_trap_err_3 ... ok
[INFO] [stdout] test test_trap_err_4 ... ok
[INFO] [stdout] test test_trap_err_1 ... ok
[INFO] [stdout] test test_trap_err_5 ... ok
[INFO] [stdout] test test_trap_err_6 ... ok
[INFO] [stdout] test test_lift_err_1 ... ok
[INFO] [stdout] test test_trap_err_raw_1 ... ok
[INFO] [stderr]    Doc-tests iterr
[INFO] [stdout] test test_trap_err_2 - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - ItErr::trap_err (line 131) ... ok
[INFO] [stdout] test src/lib.rs - ItErr::trap_err_raw (line 171) ... ok
[INFO] [stdout] test src/lib.rs - ItErr::lift_fold_err (line 98) ... ok
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] test src/lib.rs - ItErr::lift_err (line 64) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.14s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b51bbfbb477488e3df5b0c24c3b937011c9f087721c6e73e3d34430fad35fbde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b51bbfbb477488e3df5b0c24c3b937011c9f087721c6e73e3d34430fad35fbde", kill_on_drop: false }`
[INFO] [stdout] b51bbfbb477488e3df5b0c24c3b937011c9f087721c6e73e3d34430fad35fbde