[INFO] fetching crate iterr 0.2.0...
[INFO] testing iterr-0.2.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate iterr 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate iterr 0.2.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f6d36e3e56f29f09651e1a317e5464d47b9226bd1381b86c1062bc261542286
[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" "9f6d36e3e56f29f09651e1a317e5464d47b9226bd1381b86c1062bc261542286", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f6d36e3e56f29f09651e1a317e5464d47b9226bd1381b86c1062bc261542286", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f6d36e3e56f29f09651e1a317e5464d47b9226bd1381b86c1062bc261542286", kill_on_drop: false }`
[INFO] [stdout] 9f6d36e3e56f29f09651e1a317e5464d47b9226bd1381b86c1062bc261542286
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75c5208b5e1070ddbf47dfdda5c88424473c31eb40380c97aaa31c28ac260bb6
[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" "75c5208b5e1070ddbf47dfdda5c88424473c31eb40380c97aaa31c28ac260bb6", kill_on_drop: false }`
[INFO] [stderr]    Compiling iterr v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "75c5208b5e1070ddbf47dfdda5c88424473c31eb40380c97aaa31c28ac260bb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75c5208b5e1070ddbf47dfdda5c88424473c31eb40380c97aaa31c28ac260bb6", kill_on_drop: false }`
[INFO] [stdout] 75c5208b5e1070ddbf47dfdda5c88424473c31eb40380c97aaa31c28ac260bb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2021-01-01" "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] 8554d9736698663cb6e41c5a0677ce15a94b2efe9d86b2e544a2acb91257fe8f
[INFO] running `Command { std: "docker" "start" "-a" "8554d9736698663cb6e41c5a0677ce15a94b2efe9d86b2e544a2acb91257fe8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling iterr v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `Command { std: "docker" "inspect" "8554d9736698663cb6e41c5a0677ce15a94b2efe9d86b2e544a2acb91257fe8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8554d9736698663cb6e41c5a0677ce15a94b2efe9d86b2e544a2acb91257fe8f", kill_on_drop: false }`
[INFO] [stdout] 8554d9736698663cb6e41c5a0677ce15a94b2efe9d86b2e544a2acb91257fe8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 23cfdcc1a92becf416fd3cfec25aa9079eea8aee80e9e1566a45ebf1269c443d
[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" "23cfdcc1a92becf416fd3cfec25aa9079eea8aee80e9e1566a45ebf1269c443d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/iterr-a91fa4b3bc7b2f5e
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/basic-718f306879400902
[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_lift_err_1 ... ok
[INFO] [stdout] test test_trap_err_1 ... ok
[INFO] [stdout] test test_trap_err_4 ... ok
[INFO] [stdout] test test_trap_err_3 ... ok
[INFO] [stdout] test test_trap_err_5 ... ok
[INFO] [stdout] test test_trap_err_6 ... 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; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests iterr
[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 - ItErr::lift_err (line 64) ... ok
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.63s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "23cfdcc1a92becf416fd3cfec25aa9079eea8aee80e9e1566a45ebf1269c443d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23cfdcc1a92becf416fd3cfec25aa9079eea8aee80e9e1566a45ebf1269c443d", kill_on_drop: false }`
[INFO] [stdout] 23cfdcc1a92becf416fd3cfec25aa9079eea8aee80e9e1566a45ebf1269c443d