[INFO] cloning repository https://github.com/wfraser/dc4
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wfraser/dc4" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwfraser%2Fdc4", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwfraser%2Fdc4'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c5c33bb7227c15f15b04a43b41d6836f086e7c0d
[INFO] testing wfraser/dc4 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwfraser%2Fdc4" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wfraser/dc4 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wfraser/dc4
[INFO] finished tweaking git repo https://github.com/wfraser/dc4
[INFO] tweaked toml for git repo https://github.com/wfraser/dc4 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/wfraser/dc4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", 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] 65e3c40cfe92d6eb61c3b5fec74964fb8f9af5a2c6e2bd21aa6a9bf233dc5831
[INFO] running `Command { std: "docker" "start" "-a" "65e3c40cfe92d6eb61c3b5fec74964fb8f9af5a2c6e2bd21aa6a9bf233dc5831", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65e3c40cfe92d6eb61c3b5fec74964fb8f9af5a2c6e2bd21aa6a9bf233dc5831", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65e3c40cfe92d6eb61c3b5fec74964fb8f9af5a2c6e2bd21aa6a9bf233dc5831", kill_on_drop: false }`
[INFO] [stdout] 65e3c40cfe92d6eb61c3b5fec74964fb8f9af5a2c6e2bd21aa6a9bf233dc5831
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a9069c453379b06442a19d31a95cea266213a39669b349ab8328ace459ec5eb
[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" "9a9069c453379b06442a19d31a95cea266213a39669b349ab8328ace459ec5eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling dc4 v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.51s
[INFO] running `Command { std: "docker" "inspect" "9a9069c453379b06442a19d31a95cea266213a39669b349ab8328ace459ec5eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a9069c453379b06442a19d31a95cea266213a39669b349ab8328ace459ec5eb", kill_on_drop: false }`
[INFO] [stdout] 9a9069c453379b06442a19d31a95cea266213a39669b349ab8328ace459ec5eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6242a07adbc1e75c06b44bf89c35ca9abf02f8295a9b0d39253e176b4bf21ee
[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" "d6242a07adbc1e75c06b44bf89c35ca9abf02f8295a9b0d39253e176b4bf21ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling dc4 v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.12s
[INFO] running `Command { std: "docker" "inspect" "d6242a07adbc1e75c06b44bf89c35ca9abf02f8295a9b0d39253e176b4bf21ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6242a07adbc1e75c06b44bf89c35ca9abf02f8295a9b0d39253e176b4bf21ee", kill_on_drop: false }`
[INFO] [stdout] d6242a07adbc1e75c06b44bf89c35ca9abf02f8295a9b0d39253e176b4bf21ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 035cc72217d7214a4a925d3871b56607e01412431204ac49dd1cb8f3bb7e4162
[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" "035cc72217d7214a4a925d3871b56607e01412431204ac49dd1cb8f3bb7e4162", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dc4-e9e029ced290e6fa)
[INFO] [stdout] running 15 tests
[INFO] [stdout] test big_real::test_add ... ok
[INFO] [stdout] test big_real::test_cmp ... ok
[INFO] [stdout] test big_real::test_div2 ... ok
[INFO] [stdout] test big_real::test_new ... ok
[INFO] [stdout] test big_real::test_rem1 ... ok
[INFO] [stdout] test big_real::test_sub ... ok
[INFO] [stdout] test big_real::test_eq ... ok
[INFO] [stdout] test big_real::test_mul1 ... ok
[INFO] [stdout] test big_real::test_div1 ... ok
[INFO] [stdout] test big_real::test_simplify ... ok
[INFO] [stdout] test big_real::test_pow_frac ... ok
[INFO] [stdout] test big_real::test_str1 ... ok
[INFO] [stdout] test big_real::test_str2 ... ok
[INFO] [stdout] test big_real::test_rem2 ... ok
[INFO] [stdout] test big_real::test_mul2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dc4-1540d31190ac67b5)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/testlib.rs (/opt/rustwide/target/debug/deps/testlib-04a8dbf9b32181eb)
[INFO] [stdout] test test_parseargs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 43 tests
[INFO] [stdout] test test_at ... ok
[INFO] [stdout] test test_huge_input_dec ... ok
[INFO] [stdout] test test_array ... ok
[INFO] [stdout] test test_huge_input_hex ... ok
[INFO] [stdout] test test_char_print_with_scale ... ok
[INFO] [stdout] test test_digit_count ... ok
[INFO] [stdout] test test_comment ... ok
[INFO] [stdout] test test_char_print_order ... ok
[INFO] [stdout] test test_a ... ok
[INFO] [stdout] test test_conditional_macro ... ok
[INFO] [stdout] test test_decimal ... ok
[INFO] [stdout] test test_frx_digit_count ... ok
[INFO] [stdout] test test_input_radix ... ok
[INFO] [stdout] test test_macro ... ok
[INFO] [stdout] test test_frac_output ... ok
[INFO] [stdout] test test_output_radix ... ok
[INFO] [stdout] test test_invalid_arithmetic ... ok
[INFO] [stdout] test test_invalid_radix ... ok
[INFO] [stdout] test test_n ... ok
[INFO] [stdout] test test_odd_registers ... ok
[INFO] [stdout] test test_arithmetic ... ok
[INFO] [stdout] test test_p ... ok
[INFO] [stdout] test test_f ... ok
[INFO] [stdout] test test_modexp ... ok
[INFO] [stdout] test test_negative ... ok
[INFO] [stdout] test test_quitlevels ... ok
[INFO] [stdout] test test_stackoverflow ... ignored
[INFO] [stdout] test test_quitlevels2 ... ok
[INFO] [stdout] test test_parser_tricky ... ok
[INFO] [stdout] test test_noop ... ok
[INFO] [stdout] test test_small_print ... ok
[INFO] [stderr]    Doc-tests dc4
[INFO] [stdout] test test_print_ascii ... ok
[INFO] [stdout] test test_sqrt ... ok
[INFO] [stdout] test test_register_stack ... ok
[INFO] [stdout] test test_registers ... ok
[INFO] [stdout] test test_shell ... ok
[INFO] [stdout] test test_quitlevels3 ... ok
[INFO] [stdout] test test_weird_overflow ... ok
[INFO] [stdout] test test_zero_print ... ok
[INFO] [stdout] test test_utf8 ... ok
[INFO] [stdout] test test_stackmanip ... ok
[INFO] [stdout] test test_string_basic ... ok
[INFO] [stdout] test test_string_nesting ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 42 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "035cc72217d7214a4a925d3871b56607e01412431204ac49dd1cb8f3bb7e4162", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "035cc72217d7214a4a925d3871b56607e01412431204ac49dd1cb8f3bb7e4162", kill_on_drop: false }`
[INFO] [stdout] 035cc72217d7214a4a925d3871b56607e01412431204ac49dd1cb8f3bb7e4162