[INFO] fetching crate iterr 0.2.0...
[INFO] testing iterr-0.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate iterr 0.2.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate iterr 0.2.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", 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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a4759b75bb10c87271feb9ec23cee263fb54401c8ae856f75876bcda35aaab1
[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" "6a4759b75bb10c87271feb9ec23cee263fb54401c8ae856f75876bcda35aaab1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a4759b75bb10c87271feb9ec23cee263fb54401c8ae856f75876bcda35aaab1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a4759b75bb10c87271feb9ec23cee263fb54401c8ae856f75876bcda35aaab1", kill_on_drop: false }`
[INFO] [stdout] 6a4759b75bb10c87271feb9ec23cee263fb54401c8ae856f75876bcda35aaab1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4fc23868db1d76c1d035605b4a98a3749b75fa8b8254210b10e25738847b84af
[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" "4fc23868db1d76c1d035605b4a98a3749b75fa8b8254210b10e25738847b84af", kill_on_drop: false }`
[INFO] [stderr]    Compiling iterr v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "4fc23868db1d76c1d035605b4a98a3749b75fa8b8254210b10e25738847b84af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fc23868db1d76c1d035605b4a98a3749b75fa8b8254210b10e25738847b84af", kill_on_drop: false }`
[INFO] [stdout] 4fc23868db1d76c1d035605b4a98a3749b75fa8b8254210b10e25738847b84af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 01c6b0e9c1ce4b1512f9bfab3d0154dee753888bff777f5aa729d16bf96608ca
[INFO] running `Command { std: "docker" "start" "-a" "01c6b0e9c1ce4b1512f9bfab3d0154dee753888bff777f5aa729d16bf96608ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling iterr v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `Command { std: "docker" "inspect" "01c6b0e9c1ce4b1512f9bfab3d0154dee753888bff777f5aa729d16bf96608ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01c6b0e9c1ce4b1512f9bfab3d0154dee753888bff777f5aa729d16bf96608ca", kill_on_drop: false }`
[INFO] [stdout] 01c6b0e9c1ce4b1512f9bfab3d0154dee753888bff777f5aa729d16bf96608ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9467acea57506eee4b5b0a95005c3a18c47e97c429fa79ce799bf21c10c794dd
[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" "9467acea57506eee4b5b0a95005c3a18c47e97c429fa79ce799bf21c10c794dd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/iterr-d6175ddd884a5ac6
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/basic-60501153b422d4cf
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test test_lift_err_1 ... 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_trap_err_4 ... ok
[INFO] [stdout] test test_trap_err_3 ... ok
[INFO] [stdout] test test_trap_err_raw_1 ... ok
[INFO] [stdout] test test_trap_err_2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests iterr
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - ItErr::lift_fold_err (line 98) ... ok
[INFO] [stdout] test src/lib.rs - ItErr::trap_err_raw (line 171) ... ok
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] test src/lib.rs - ItErr::trap_err (line 131) ... 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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9467acea57506eee4b5b0a95005c3a18c47e97c429fa79ce799bf21c10c794dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9467acea57506eee4b5b0a95005c3a18c47e97c429fa79ce799bf21c10c794dd", kill_on_drop: false }`
[INFO] [stdout] 9467acea57506eee4b5b0a95005c3a18c47e97c429fa79ce799bf21c10c794dd