[INFO] fetching crate grid 0.5.0...
[INFO] testing grid-0.5.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate grid 0.5.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate grid 0.5.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate grid 0.5.0
[INFO] finished tweaking crates.io crate grid 0.5.0
[INFO] tweaked toml for crates.io crate grid 0.5.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13f5c1ac59d46de3e44b1401d599995330442b0387a4f14d2c75a353f915a6a1
[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" "13f5c1ac59d46de3e44b1401d599995330442b0387a4f14d2c75a353f915a6a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13f5c1ac59d46de3e44b1401d599995330442b0387a4f14d2c75a353f915a6a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13f5c1ac59d46de3e44b1401d599995330442b0387a4f14d2c75a353f915a6a1", kill_on_drop: false }`
[INFO] [stdout] 13f5c1ac59d46de3e44b1401d599995330442b0387a4f14d2c75a353f915a6a1
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04ba6910f4b9ba348754df3ae58d2c93d10be7dbf1815b6fbd581e665f7f83d3
[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" "04ba6910f4b9ba348754df3ae58d2c93d10be7dbf1815b6fbd581e665f7f83d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling no-std-compat v0.4.1
[INFO] [stderr]    Compiling grid v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `Command { std: "docker" "inspect" "04ba6910f4b9ba348754df3ae58d2c93d10be7dbf1815b6fbd581e665f7f83d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04ba6910f4b9ba348754df3ae58d2c93d10be7dbf1815b6fbd581e665f7f83d3", kill_on_drop: false }`
[INFO] [stdout] 04ba6910f4b9ba348754df3ae58d2c93d10be7dbf1815b6fbd581e665f7f83d3
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a54753416dffcb7285b81d4abc702f8ff9684de440f5e659772e7934a4ff543b
[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" "a54753416dffcb7285b81d4abc702f8ff9684de440f5e659772e7934a4ff543b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling grid v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.66s
[INFO] running `Command { std: "docker" "inspect" "a54753416dffcb7285b81d4abc702f8ff9684de440f5e659772e7934a4ff543b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a54753416dffcb7285b81d4abc702f8ff9684de440f5e659772e7934a4ff543b", kill_on_drop: false }`
[INFO] [stdout] a54753416dffcb7285b81d4abc702f8ff9684de440f5e659772e7934a4ff543b
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 811ce95f3703c2bab9b091202c941843da030e73e3aada4d29da5b4fac75a10e
[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" "811ce95f3703c2bab9b091202c941843da030e73e3aada4d29da5b4fac75a10e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/grid-b4f4ecec3a742d46)
[INFO] [stdout] 
[INFO] [stdout] running 59 tests
[INFO] [stdout] test test::clone ... ok
[INFO] [stdout] test test::fmt_row ... ok
[INFO] [stdout] test test::equal_empty ... ok
[INFO] [stdout] test test::clear ... ok
[INFO] [stdout] test test::from_vec_zero ... ok
[INFO] [stdout] test test::get ... ok
[INFO] [stdout] test test::equal ... ok
[INFO] [stdout] test test::get_mut_none ... ok
[INFO] [stdout] test test::idx ... ok
[INFO] [stdout] test test::get_mut ... ok
[INFO] [stdout] test test::fmt_grid ... ok
[INFO] [stdout] test test::fmt_empty ... ok
[INFO] [stdout] test test::init ... ok
[INFO] [stdout] test test::insert_col_at_end ... ok
[INFO] [stdout] test test::idx_set ... ok
[INFO] [stdout] test test::insert_row_at_end ... ok
[INFO] [stdout] test test::get_none ... ok
[INFO] [stdout] test test::insert_row_start ... ok
[INFO] [stdout] test test::iter ... ok
[INFO] [stdout] test test::is_empty_true ... ok
[INFO] [stdout] test test::is_empty_false ... ok
[INFO] [stdout] test test::iter_row ... ok
[INFO] [stdout] test test::macro_init ... ok
[INFO] [stdout] test test::macro_init_2 ... ok
[INFO] [stdout] test test::macro_init_char ... ok
[INFO] [stdout] test test::macro_init_empty ... ok
[INFO] [stdout] test test::from_vec_panics_1 - should panic ... ok
[INFO] [stdout] test test::macro_one_row ... ok
[INFO] [stdout] test test::ne_dif_rows ... ok
[INFO] [stdout] test test::ne ... ok
[INFO] [stdout] test test::ctr_panics_2 - should panic ... ok
[INFO] [stdout] test test::idx_out_of_col_bounds - should panic ... ok
[INFO] [stdout] test test::from_vec_panics_3 - should panic ... ok
[INFO] [stdout] test test::ne_full_empty ... ok
[INFO] [stdout] test test::new ... ok
[INFO] [stdout] test test::pop_col ... ok
[INFO] [stdout] test test::pop_col_empty ... ok
[INFO] [stdout] test test::pop_row ... ok
[INFO] [stdout] test test::push_col ... ok
[INFO] [stdout] test test::from_vec_panics_2 - should panic ... ok
[INFO] [stdout] test test::idx_panic_1 - should panic ... ok
[INFO] [stdout] test test::pop_row_empty ... ok
[INFO] [stdout] test test::push_row_empty ... ok
[INFO] [stdout] test test::transpose ... ok
[INFO] [stdout] test test::idx_panic_2 - should panic ... ok
[INFO] [stdout] test test::push_col_empty ... ok
[INFO] [stdout] test test::push_col_single ... ok
[INFO] [stdout] test test::push_col_small ... ok
[INFO] [stdout] test test::init_panics - should panic ... ok
[INFO] [stdout] test test::insert_col_out_of_idx - should panic ... ok
[INFO] [stdout] test test::insert_row_out_of_idx - should panic ... ok
[INFO] [stdout] test test::iter_col_out_of_bound - should panic ... ok
[INFO] [stdout] test test::size ... ok
[INFO] [stdout] test test::insert_row_wrong_size_of_idx - should panic ... ok
[INFO] [stdout] test test::iter_row_empty - should panic ... ok
[INFO] [stdout] test test::iter_row_out_of_bound - should panic ... ok
[INFO] [stdout] test test::iter_col_zero - should panic ... ok
[INFO] [stdout] test test::push_row_wrong_size - should panic ... ok
[INFO] [stdout] test test::push_col_wrong_size - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 59 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests grid
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test src/lib.rs - Grid<T>::pop_row (line 517) ... ok
[INFO] [stdout] test src/lib.rs - Grid<T>::from_vec (line 166) ... ok
[INFO] [stdout] test src/lib.rs - Grid<T>::iter_mut (line 298) ... ok
[INFO] [stdout] test src/lib.rs - Grid<T>::iter_row_mut (line 399) ... ok
[INFO] [stdout] test src/lib.rs - Grid<T>::from_vec (line 178) ... ok
[INFO] [stdout] test src/lib.rs - Grid<T>::iter (line 283) ... ok
[INFO] [stdout] test src/lib.rs - grid (line 77) ... ignored
[INFO] [stdout] test src/lib.rs - (line 20) ... ok
[INFO] [stdout] test src/lib.rs - Grid<T>::iter_col (line 314) ... ok
[INFO] [stdout] test src/lib.rs - Grid<T>::insert_row (line 571) ... ok
[INFO] [stdout] test src/lib.rs - Grid<T>::pop_col (line 543) ... ok
[INFO] [stdout] test src/lib.rs - Grid<T>::insert_col (line 598) ... ok
[INFO] [stdout] test src/lib.rs - Grid<T>::new (line 130) ... ok
[INFO] [stdout] test src/lib.rs - Grid<T>::iter_row (line 370) ... ok
[INFO] [stdout] test src/lib.rs - Grid<T>::is_empty (line 266) ... ok
[INFO] [stdout] test src/lib.rs - Grid<T>::iter_col_mut (line 341) ... ok
[INFO] [stdout] test src/lib.rs - Grid<T>::flatten (line 626) ... ok
[INFO] [stdout] test src/lib.rs - Grid<T>::push_row (line 428) ... ok
[INFO] [stdout] test src/lib.rs - Grid<T>::push_col (line 474) ... ok
[INFO] [stdout] test src/lib.rs - Grid<T>::push_row (line 441) ... ok
[INFO] [stdout] test src/lib.rs - grid (line 65) ... ok
[INFO] [stdout] test src/lib.rs - Grid<T>::push_col (line 486) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 2.88s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "811ce95f3703c2bab9b091202c941843da030e73e3aada4d29da5b4fac75a10e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "811ce95f3703c2bab9b091202c941843da030e73e3aada4d29da5b4fac75a10e", kill_on_drop: false }`
[INFO] [stdout] 811ce95f3703c2bab9b091202c941843da030e73e3aada4d29da5b4fac75a10e