[INFO] cloning repository https://github.com/xswordsx/ff
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xswordsx/ff" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxswordsx%2Fff", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxswordsx%2Fff'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 47b573d8fe19131bd36192594a50a03fadbc0a1c
[INFO] testing xswordsx/ff against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxswordsx%2Fff" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xswordsx/ff 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/xswordsx/ff
[INFO] finished tweaking git repo https://github.com/xswordsx/ff
[INFO] tweaked toml for git repo https://github.com/xswordsx/ff written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/xswordsx/ff 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-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/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] e39c09231fc60aadc184ecda05c699ec61f9e793e45fe92f64ad46468a488e05
[INFO] running `Command { std: "docker" "start" "-a" "e39c09231fc60aadc184ecda05c699ec61f9e793e45fe92f64ad46468a488e05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e39c09231fc60aadc184ecda05c699ec61f9e793e45fe92f64ad46468a488e05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e39c09231fc60aadc184ecda05c699ec61f9e793e45fe92f64ad46468a488e05", kill_on_drop: false }`
[INFO] [stdout] e39c09231fc60aadc184ecda05c699ec61f9e793e45fe92f64ad46468a488e05
[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=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] fc5380b9685460716ca2b01051538e8fd6c610ae06f75f52bf2aa470420c2fe0
[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" "fc5380b9685460716ca2b01051538e8fd6c610ae06f75f52bf2aa470420c2fe0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling predicates-core v1.0.2
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling treeline v0.1.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling json v0.11.15
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling bstr v0.2.15
[INFO] [stderr]    Compiling predicates-tree v1.0.2
[INFO] [stderr]    Compiling predicates v1.0.7
[INFO] [stderr]    Compiling assert_cmd v1.0.3
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling paste v0.1.18
[INFO] [stderr]    Compiling ff v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.10s
[INFO] running `Command { std: "docker" "inspect" "fc5380b9685460716ca2b01051538e8fd6c610ae06f75f52bf2aa470420c2fe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc5380b9685460716ca2b01051538e8fd6c610ae06f75f52bf2aa470420c2fe0", kill_on_drop: false }`
[INFO] [stdout] fc5380b9685460716ca2b01051538e8fd6c610ae06f75f52bf2aa470420c2fe0
[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=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] 0224caa900cb5e9b3480ed2d4bff2ca75f2dd776e35deb10335794c0877e7eed
[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" "0224caa900cb5e9b3480ed2d4bff2ca75f2dd776e35deb10335794c0877e7eed", kill_on_drop: false }`
[INFO] [stderr]    Compiling ff v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.73s
[INFO] running `Command { std: "docker" "inspect" "0224caa900cb5e9b3480ed2d4bff2ca75f2dd776e35deb10335794c0877e7eed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0224caa900cb5e9b3480ed2d4bff2ca75f2dd776e35deb10335794c0877e7eed", kill_on_drop: false }`
[INFO] [stdout] 0224caa900cb5e9b3480ed2d4bff2ca75f2dd776e35deb10335794c0877e7eed
[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=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] ece63a9abd0b4931012729b7ee27b8498c70a39c03cca8e56c3b4e6ea924769e
[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" "ece63a9abd0b4931012729b7ee27b8498c70a39c03cca8e56c3b4e6ea924769e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ff-6672576d73885477)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test utils::test::color_on_clicolor ... ignored
[INFO] [stdout] test utils::test::do_not_color_when_nocolor_set ... ok
[INFO] [stdout] test test::prints_zeroes_on_missing_timestamp ... ok
[INFO] [stdout] test test::test_date_extraction ... ok
[INFO] [stdout] test utils::test::color_on_clicolor_force ... ok
[INFO] [stdout] test colors::test::test_proper_colorization ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration.rs (/opt/rustwide/target/debug/deps/integration-b2ffe8c0b746cf11)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test json_plain_type_number ... ok
[INFO] [stdout] test json_plain_type_boolean ... ok
[INFO] [stdout] test json_plain_type_string ... ok
[INFO] [stdout] test json_plain_type_null ... ok
[INFO] [stdout] test sanity_check_color ... ok
[INFO] [stdout] test sanity_check_no_color ... ok
[INFO] [stdout] test empty_lines ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ece63a9abd0b4931012729b7ee27b8498c70a39c03cca8e56c3b4e6ea924769e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ece63a9abd0b4931012729b7ee27b8498c70a39c03cca8e56c3b4e6ea924769e", kill_on_drop: false }`
[INFO] [stdout] ece63a9abd0b4931012729b7ee27b8498c70a39c03cca8e56c3b4e6ea924769e