[INFO] fetching crate crate-race 1.1.2...
[INFO] testing crate-race-1.1.2 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate crate-race 1.1.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate crate-race 1.1.2 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate crate-race 1.1.2
[INFO] finished tweaking crates.io crate crate-race 1.1.2
[INFO] tweaked toml for crates.io crate crate-race 1.1.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded uint v0.5.0
[INFO] [stderr]   Downloaded vek v0.9.12
[INFO] [stderr]   Downloaded quick-xml v0.13.3
[INFO] [stderr]   Downloaded dmsort v1.0.1
[INFO] [stderr]   Downloaded json5 v0.2.8
[INFO] [stderr]   Downloaded nalgebra v0.16.14
[INFO] [stderr]   Downloaded defmac v0.1.3
[INFO] [stderr]   Downloaded galil-seiferas v0.1.5
[INFO] [stderr]   Downloaded jetscii v0.4.4
[INFO] [stderr]   Downloaded quick-csv v0.1.6
[INFO] [stderr]   Downloaded xmlparser v0.8.1
[INFO] [stderr]   Downloaded roxmltree v0.4.1
[INFO] [stderr]   Downloaded rdxsort v0.3.0
[INFO] [stderr]   Downloaded simple_csv v0.0.15
[INFO] [stderr]   Downloaded sortrs v0.0.5
[INFO] [stderr]   Downloaded rust_quicksort v0.1.0
[INFO] [stderr]   Downloaded treexml v0.7.0
[INFO] [stderr]   Downloaded ironsort v0.1.0
[INFO] [stderr]   Downloaded subslice v0.2.2
[INFO] [stderr]   Downloaded afsort v0.3.1
[INFO] [stderr]   Downloaded cycle-sort v0.2.0
[INFO] [stderr]   Downloaded nv-xml v0.1.3
[INFO] [stderr]   Downloaded dummy_xml v0.1.6
[INFO] [stderr]   Downloaded quick_sort v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c76778d21d543bc85f2c3da1bdf62c56bf45e81a59e978a1c720b6010697af3
[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" "2c76778d21d543bc85f2c3da1bdf62c56bf45e81a59e978a1c720b6010697af3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c76778d21d543bc85f2c3da1bdf62c56bf45e81a59e978a1c720b6010697af3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c76778d21d543bc85f2c3da1bdf62c56bf45e81a59e978a1c720b6010697af3", kill_on_drop: false }`
[INFO] [stdout] 2c76778d21d543bc85f2c3da1bdf62c56bf45e81a59e978a1c720b6010697af3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44ae4503a3d6415e05c896b229824887c7186c3989cd272c37a45767461c2f7d
[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" "44ae4503a3d6415e05c896b229824887c7186c3989cd272c37a45767461c2f7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling ryu-ecmascript v0.1.1
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling jetscii v0.4.4
[INFO] [stderr]    Compiling static_assertions v0.2.5
[INFO] [stderr]    Compiling defmac v0.1.3
[INFO] [stderr]    Compiling xmlparser v0.8.1
[INFO] [stderr]    Compiling rustc-hex v2.1.0
[INFO] [stderr]    Compiling cycle-sort v0.2.0
[INFO] [stderr]    Compiling simple_csv v0.0.15
[INFO] [stderr]    Compiling md5 v0.6.1
[INFO] [stderr]    Compiling quick_sort v0.2.1
[INFO] [stderr]    Compiling ironsort v0.1.0
[INFO] [stderr]    Compiling rust_quicksort v0.1.0
[INFO] [stderr]    Compiling dummy_xml v0.1.6
[INFO] [stderr]    Compiling bencher v0.1.5
[INFO] [stderr]    Compiling json v0.11.15
[INFO] [stderr]    Compiling rdxsort v0.3.0
[INFO] [stderr]    Compiling afsort v0.3.1
[INFO] [stderr]    Compiling dmsort v1.0.1
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling quick-csv v0.1.6
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling xml-rs v0.4.1
[INFO] [stderr]    Compiling galil-seiferas v0.1.5
[INFO] [stderr]    Compiling roxmltree v0.4.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling twoway v0.2.1
[INFO] [stderr]    Compiling subslice v0.2.2
[INFO] [stderr]    Compiling generic-array v0.11.1
[INFO] [stderr]    Compiling vek v0.9.12
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling numext-constructor v0.1.6
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling md-5 v0.8.0
[INFO] [stderr]    Compiling nv-xml v0.1.3
[INFO] [stderr]    Compiling uint v0.5.0
[INFO] [stderr]    Compiling json_in_type v1.1.1
[INFO] [stderr]    Compiling xmltree v0.8.0
[INFO] [stderr]    Compiling quick-xml v0.13.3
[INFO] [stderr]    Compiling treexml v0.7.0
[INFO] [stderr]    Compiling csv v1.1.5
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling alga v0.7.2
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling sortrs v0.0.5
[INFO] [stderr]    Compiling rulinalg v0.4.2
[INFO] [stderr]    Compiling nalgebra v0.16.14
[INFO] [stderr]    Compiling json5 v0.2.8
[INFO] [stderr]    Compiling numext-fixed-uint-core v0.1.6
[INFO] [stderr]    Compiling numext-fixed-uint-hack v0.1.6
[INFO] [stderr]    Compiling numext-fixed-uint v0.1.6
[INFO] [stderr]    Compiling crate-race v1.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 49s
[INFO] running `Command { std: "docker" "inspect" "44ae4503a3d6415e05c896b229824887c7186c3989cd272c37a45767461c2f7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44ae4503a3d6415e05c896b229824887c7186c3989cd272c37a45767461c2f7d", kill_on_drop: false }`
[INFO] [stdout] 44ae4503a3d6415e05c896b229824887c7186c3989cd272c37a45767461c2f7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57f208a5f635bd804fc427464d331badbdd9f83948a8a89d22a269fdcec2cf05
[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" "57f208a5f635bd804fc427464d331badbdd9f83948a8a89d22a269fdcec2cf05", kill_on_drop: false }`
[INFO] [stderr]    Compiling crate-race v1.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "57f208a5f635bd804fc427464d331badbdd9f83948a8a89d22a269fdcec2cf05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57f208a5f635bd804fc427464d331badbdd9f83948a8a89d22a269fdcec2cf05", kill_on_drop: false }`
[INFO] [stdout] 57f208a5f635bd804fc427464d331badbdd9f83948a8a89d22a269fdcec2cf05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f30dd82240aed3399c09766ef7398dde601611ac572eec3c24bf12172d3baaf6
[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" "f30dd82240aed3399c09766ef7398dde601611ac572eec3c24bf12172d3baaf6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/crate_race-2cea9f18acf79ee8
[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" "f30dd82240aed3399c09766ef7398dde601611ac572eec3c24bf12172d3baaf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f30dd82240aed3399c09766ef7398dde601611ac572eec3c24bf12172d3baaf6", kill_on_drop: false }`
[INFO] [stdout] f30dd82240aed3399c09766ef7398dde601611ac572eec3c24bf12172d3baaf6