[INFO] fetching crate iter_columns 0.3.0...
[INFO] testing iter_columns-0.3.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate iter_columns 0.3.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate iter_columns 0.3.0
[INFO] finished tweaking crates.io crate iter_columns 0.3.0
[INFO] tweaked toml for crates.io crate iter_columns 0.3.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate iter_columns 0.3.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 373f9d71b0bbd672fa985b350b57b693e2aa0013ec7510c90aa7bea5433450bb
[INFO] running `Command { std: "docker" "start" "-a" "373f9d71b0bbd672fa985b350b57b693e2aa0013ec7510c90aa7bea5433450bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "373f9d71b0bbd672fa985b350b57b693e2aa0013ec7510c90aa7bea5433450bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "373f9d71b0bbd672fa985b350b57b693e2aa0013ec7510c90aa7bea5433450bb", kill_on_drop: false }`
[INFO] [stdout] 373f9d71b0bbd672fa985b350b57b693e2aa0013ec7510c90aa7bea5433450bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c4d81a84b57a2a553e7c3ace3f43f838539279c687ff8570a1172e7332c3ffb
[INFO] running `Command { std: "docker" "start" "-a" "5c4d81a84b57a2a553e7c3ace3f43f838539279c687ff8570a1172e7332c3ffb", kill_on_drop: false }`
[INFO] [stderr]    Compiling iter_columns v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "5c4d81a84b57a2a553e7c3ace3f43f838539279c687ff8570a1172e7332c3ffb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c4d81a84b57a2a553e7c3ace3f43f838539279c687ff8570a1172e7332c3ffb", kill_on_drop: false }`
[INFO] [stdout] 5c4d81a84b57a2a553e7c3ace3f43f838539279c687ff8570a1172e7332c3ffb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ff101950780f583534897c4fc5c89071d4fb4b1f2fdfe8303f6a2f9e54ed6e3
[INFO] running `Command { std: "docker" "start" "-a" "9ff101950780f583534897c4fc5c89071d4fb4b1f2fdfe8303f6a2f9e54ed6e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling iter_columns v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "9ff101950780f583534897c4fc5c89071d4fb4b1f2fdfe8303f6a2f9e54ed6e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ff101950780f583534897c4fc5c89071d4fb4b1f2fdfe8303f6a2f9e54ed6e3", kill_on_drop: false }`
[INFO] [stdout] 9ff101950780f583534897c4fc5c89071d4fb4b1f2fdfe8303f6a2f9e54ed6e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] acd8aa8d5bff2a228685a07c930f14fd133a3361785e6ea6c3767add5cbd2dc7
[INFO] running `Command { std: "docker" "start" "-a" "acd8aa8d5bff2a228685a07c930f14fd133a3361785e6ea6c3767add5cbd2dc7", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/iter_columns-56ca6de08b294847)
[INFO] [stdout] 
[INFO] [stdout] running 46 tests
[INFO] [stdout] test tests::test_array_borrowed_1 ... ok
[INFO] [stdout] test tests::test_array_borrowed_2 ... ok
[INFO] [stdout] test tests::test_array_borrowed_backwards ... ok
[INFO] [stdout] test tests::test_array_borrowed_3 ... ok
[INFO] [stdout] test tests::test_array_mut_borrowed_2 ... ok
[INFO] [stdout] test tests::test_array_mut_borrowed_1 ... ok
[INFO] [stdout] test tests::test_array_mut_borrowed_3 ... ok
[INFO] [stdout] test tests::test_array_mut_borrowed_backwards ... ok
[INFO] [stdout] test tests::test_into_array_old ... ok
[INFO] [stdout] test tests::test_into_array_old_backwards ... ok
[INFO] [stdout] test tests::test_into_vec ... ok
[INFO] [stdout] test tests::test_into_vec_backwards ... ok
[INFO] [stdout] test tests::test_into_vec_options ... ok
[INFO] [stdout] test tests::test_into_vec_options_backwards ... ok
[INFO] [stdout] test tests::test_slice_borrowed_1 ... ok
[INFO] [stdout] test tests::test_slice_borrowed_2 ... ok
[INFO] [stdout] test tests::test_slice_borrowed_3 ... ok
[INFO] [stdout] test tests::test_slice_borrowed_backwards ... ok
[INFO] [stdout] test tests::test_slice_borrowed_options_3 ... ok
[INFO] [stdout] test tests::test_slice_borrowed_options_backwards ... ok
[INFO] [stdout] test tests::test_slice_mut_borrowed_1 ... ok
[INFO] [stdout] test tests::test_slice_borrowed_options_1 ... ok
[INFO] [stdout] test tests::test_slice_mut_borrowed_2 ... ok
[INFO] [stdout] test tests::test_slice_mut_borrowed_3 ... ok
[INFO] [stdout] test tests::test_slice_borrowed_options_2 ... ok
[INFO] [stdout] test tests::test_vec_borrowed_backwards ... ok
[INFO] [stdout] test tests::test_vec_borrowed_3 ... ok
[INFO] [stdout] test tests::test_vec_borrowed_options_1 ... ok
[INFO] [stdout] test tests::test_slice_mut_borrowed_options_3 ... ok
[INFO] [stdout] test tests::test_slice_mut_borrowed_options_1 ... ok
[INFO] [stdout] test tests::test_vec_mut_borrowed_2 ... ok
[INFO] [stdout] test tests::test_vec_mut_borrowed_3 ... ok
[INFO] [stdout] test tests::test_slice_mut_borrowed_backwards ... ok
[INFO] [stdout] test tests::test_slice_mut_borrowed_options_2 ... ok
[INFO] [stdout] test tests::test_vec_mut_borrowed_options_1 ... ok
[INFO] [stdout] test tests::test_vec_mut_borrowed_options_3 ... ok
[INFO] [stdout] test tests::test_slice_mut_borrowed_options_backwards ... ok
[INFO] [stdout] test tests::test_vec_borrowed_options_3 ... ok
[INFO] [stdout] test tests::test_vec_mut_borrowed_1 ... ok
[INFO] [stdout] test tests::test_vec_borrowed_options_2 ... ok
[INFO] [stdout] test tests::test_vec_mut_borrowed_backwards ... ok
[INFO] [stdout] test tests::test_vec_borrowed_1 ... ok
[INFO] [stdout] test tests::test_vec_borrowed_options_backwards ... ok
[INFO] [stdout] test tests::test_vec_borrowed_2 ... ok
[INFO] [stdout] test tests::test_vec_mut_borrowed_options_2 ... ok
[INFO] [stdout] test tests::test_vec_mut_borrowed_options_backwards ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 46 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests iter_columns
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/iter.rs - iter::ColumnsTrait::columns_options (line 418) ... ok
[INFO] [stdout] test src/iter.rs - iter::ColumnsTrait::columns (line 381) ... ok
[INFO] [stdout] test src/iter.rs - iter::ColumnsMutTrait::columns (line 457) ... ok
[INFO] [stdout] test src/iter.rs - iter::ColumnsMutTrait::columns_options (line 494) ... ok
[INFO] [stdout] test src/iter.rs - iter::ColumnsIntoIterVecTrait::columns (line 101) ... ok
[INFO] [stdout] test src/iter.rs - iter::ColumnsIntoIterVecTrait::columns_options (line 133) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.21s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "acd8aa8d5bff2a228685a07c930f14fd133a3361785e6ea6c3767add5cbd2dc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acd8aa8d5bff2a228685a07c930f14fd133a3361785e6ea6c3767add5cbd2dc7", kill_on_drop: false }`
[INFO] [stdout] acd8aa8d5bff2a228685a07c930f14fd133a3361785e6ea6c3767add5cbd2dc7