[INFO] updating cached repository https://github.com/wfraser/dc4
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0c7ebbdad42c89169da0fe48f78d259899159e64
[INFO] testing wfraser/dc4 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwfraser%2Fdc4" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wfraser/dc4 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", 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-9/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" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 80e9e7340ee36d562f5ab603db0c3e7b76d4e00309389ee77b57d3b0eb49d8e5
[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" "80e9e7340ee36d562f5ab603db0c3e7b76d4e00309389ee77b57d3b0eb49d8e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80e9e7340ee36d562f5ab603db0c3e7b76d4e00309389ee77b57d3b0eb49d8e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80e9e7340ee36d562f5ab603db0c3e7b76d4e00309389ee77b57d3b0eb49d8e5", kill_on_drop: false }`
[INFO] [stdout] 80e9e7340ee36d562f5ab603db0c3e7b76d4e00309389ee77b57d3b0eb49d8e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f84a0295c8d0e1e161a49f4728fc3bf4795e1b37285b7bf85c7633c842629b9
[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" "4f84a0295c8d0e1e161a49f4728fc3bf4795e1b37285b7bf85c7633c842629b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling dc4 v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num-complex v0.3.0
[INFO] [stderr]    Compiling num v0.3.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.14s
[INFO] running `Command { std: "docker" "inspect" "4f84a0295c8d0e1e161a49f4728fc3bf4795e1b37285b7bf85c7633c842629b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f84a0295c8d0e1e161a49f4728fc3bf4795e1b37285b7bf85c7633c842629b9", kill_on_drop: false }`
[INFO] [stdout] 4f84a0295c8d0e1e161a49f4728fc3bf4795e1b37285b7bf85c7633c842629b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 202caa9205dd1d9bbb162c0fa655d1a17fd8981f714c204056908c0dd5d037a0
[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" "202caa9205dd1d9bbb162c0fa655d1a17fd8981f714c204056908c0dd5d037a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling dc4 v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.15s
[INFO] running `Command { std: "docker" "inspect" "202caa9205dd1d9bbb162c0fa655d1a17fd8981f714c204056908c0dd5d037a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "202caa9205dd1d9bbb162c0fa655d1a17fd8981f714c204056908c0dd5d037a0", kill_on_drop: false }`
[INFO] [stdout] 202caa9205dd1d9bbb162c0fa655d1a17fd8981f714c204056908c0dd5d037a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3fd848829a7a608a7ec754139ad6ae46c671c8cc4c2566e3b1a71ca2a72d689e
[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" "3fd848829a7a608a7ec754139ad6ae46c671c8cc4c2566e3b1a71ca2a72d689e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dc4-a51063904797aea7
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test big_real::test_eq ... ok
[INFO] [stdout] test big_real::test_str2 ... ok
[INFO] [stdout] test big_real::test_sub ... ok
[INFO] [stdout] test big_real::test_mul1 ... ok
[INFO] [stdout] test big_real::test_div1 ... ok
[INFO] [stdout] test big_real::test_new ... ok
[INFO] [stdout] test big_real::test_rem2 ... ok
[INFO] [stdout] test big_real::test_rem1 ... ok
[INFO] [stdout] test big_real::test_str1 ... ok
[INFO] [stdout] test big_real::test_simplify ... ok
[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_mul2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dc4-6df17d230ab67033
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/testlib-6ec49cffb3583157
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_parseargs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 44 tests
[INFO] [stdout] test test_comment ... ok
[INFO] [stdout] test test_frac_output ... ok
[INFO] [stdout] test test_arithmetic ... ok
[INFO] [stdout] test test_frx_digit_count ... ok
[INFO] [stdout] test test_conditional_macro ... ok
[INFO] [stdout] test test_a ... ok
[INFO] [stdout] test test_huge_input_dec ... ok
[INFO] [stdout] test test_digit_count ... ok
[INFO] [stdout] test test_char_print_order ... ok
[INFO] [stdout] test test_char_print_with_scale ... ok
[INFO] [stdout] test test_array ... ok
[INFO] [stdout] test test_invalid_arithmetic ... ok
[INFO] [stdout] test test_invalid_radix ... ok
[INFO] [stdout] test test_input_radix ... ok
[INFO] [stdout] test test_at ... ok
[INFO] [stdout] test test_decimal ... ok
[INFO] [stdout] test test_negative ... ok
[INFO] [stdout] test test_noop ... ok
[INFO] [stdout] test test_register_stack ... ok
[INFO] [stdout] test test_quitlevels2 ... ok
[INFO] [stdout] test test_parser_tricky ... ok
[INFO] [stdout] test test_registers ... ok
[INFO] [stdout] test test_rotate ... ok
[INFO] [stdout] test test_p ... ok
[INFO] [stdout] test test_shell ... ok
[INFO] [stdout] test test_stackoverflow ... ignored
[INFO] [stdout] test test_print_ascii ... ok
[INFO] [stdout] test test_quitlevels ... ok
[INFO] [stdout] test test_small_print ... ok
[INFO] [stdout] test test_sqrt ... 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] test test_weird_overflow ... ok
[INFO] [stdout] test test_macro ... ok
[INFO] [stdout] test test_quitlevels3 ... ok
[INFO] [stdout] test test_n ... ok
[INFO] [stdout] test test_odd_registers ... ok
[INFO] [stdout] test test_f ... ok
[INFO] [stdout] test test_zero_print ... ok
[INFO] [stdout] test test_huge_input_hex ... ok
[INFO] [stdout] test test_output_radix ... ok
[INFO] [stderr]    Doc-tests dc4
[INFO] [stdout] test test_modexp ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 43 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3fd848829a7a608a7ec754139ad6ae46c671c8cc4c2566e3b1a71ca2a72d689e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fd848829a7a608a7ec754139ad6ae46c671c8cc4c2566e3b1a71ca2a72d689e", kill_on_drop: false }`
[INFO] [stdout] 3fd848829a7a608a7ec754139ad6ae46c671c8cc4c2566e3b1a71ca2a72d689e