[INFO] fetching crate crate-race 1.1.2...
[INFO] testing crate-race-1.1.2 against try#46592174fb13958bb9a2aa0d7af6c1224e1d7143 for pr-83796
[INFO] extracting crate crate-race 1.1.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate crate-race 1.1.2 on toolchain 46592174fb13958bb9a2aa0d7af6c1224e1d7143
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+46592174fb13958bb9a2aa0d7af6c1224e1d7143" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+46592174fb13958bb9a2aa0d7af6c1224e1d7143" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+46592174fb13958bb9a2aa0d7af6c1224e1d7143" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded numext-fixed-uint-core v0.1.6
[INFO] [stderr]   Downloaded numext-fixed-uint-hack v0.1.6
[INFO] [stderr]   Downloaded rdxsort v0.3.0
[INFO] [stderr]   Downloaded defmac v0.1.3
[INFO] [stderr]   Downloaded uint v0.5.0
[INFO] [stderr]   Downloaded dmsort v1.0.1
[INFO] [stderr]   Downloaded xmltree v0.8.0
[INFO] [stderr]   Downloaded quick_sort v0.2.1
[INFO] [stderr]   Downloaded roxmltree v0.4.1
[INFO] [stderr]   Downloaded numext-constructor v0.1.6
[INFO] [stderr]   Downloaded numext-fixed-uint v0.1.6
[INFO] [stderr]   Downloaded xmlparser v0.8.1
[INFO] [stderr]   Downloaded xml-rs v0.4.1
[INFO] [stderr]   Downloaded subslice v0.2.2
[INFO] [stderr]   Downloaded quick-csv v0.1.6
[INFO] [stderr]   Downloaded simple_csv v0.0.15
[INFO] [stderr]   Downloaded afsort v0.3.1
[INFO] [stderr]   Downloaded sortrs v0.0.5
[INFO] [stderr]   Downloaded nv-xml v0.1.3
[INFO] [stderr]   Downloaded ironsort v0.1.0
[INFO] [stderr]   Downloaded cycle-sort v0.2.0
[INFO] [stderr]   Downloaded rust_quicksort v0.1.0
[INFO] [stderr]   Downloaded treexml v0.7.0
[INFO] [stderr]   Downloaded json_in_type v1.1.1
[INFO] [stderr]   Downloaded dummy_xml v0.1.6
[INFO] [stderr]   Downloaded galil-seiferas v0.1.5
[INFO] [stderr]   Downloaded ryu-ecmascript v0.1.1
[INFO] [stderr]   Downloaded quick-xml v0.13.3
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+46592174fb13958bb9a2aa0d7af6c1224e1d7143" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0989b11a3c3cfab9f8a4c1bdd441740498639bec5b0c3614c692951798ec5596
[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" "0989b11a3c3cfab9f8a4c1bdd441740498639bec5b0c3614c692951798ec5596", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0989b11a3c3cfab9f8a4c1bdd441740498639bec5b0c3614c692951798ec5596", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0989b11a3c3cfab9f8a4c1bdd441740498639bec5b0c3614c692951798ec5596", kill_on_drop: false }`
[INFO] [stdout] 0989b11a3c3cfab9f8a4c1bdd441740498639bec5b0c3614c692951798ec5596
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+46592174fb13958bb9a2aa0d7af6c1224e1d7143" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fcabec6c14a18c1ecd5638bb182eb91f94a488e243217c6a0c653f6e64cfb414
[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" "fcabec6c14a18c1ecd5638bb182eb91f94a488e243217c6a0c653f6e64cfb414", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling ryu-ecmascript v0.1.1
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]    Compiling approx v0.1.1
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling jetscii v0.4.4
[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 opaque-debug v0.2.3
[INFO] [stderr]    Compiling static_assertions v0.2.5
[INFO] [stderr]    Compiling simple_csv v0.0.15
[INFO] [stderr]    Compiling quick_sort v0.2.1
[INFO] [stderr]    Compiling afsort v0.3.1
[INFO] [stderr]    Compiling cycle-sort v0.2.0
[INFO] [stderr]    Compiling md5 v0.6.1
[INFO] [stderr]    Compiling dummy_xml v0.1.6
[INFO] [stderr]    Compiling rdxsort v0.3.0
[INFO] [stderr]    Compiling rust_quicksort v0.1.0
[INFO] [stderr]    Compiling ironsort v0.1.0
[INFO] [stderr]    Compiling json v0.11.15
[INFO] [stderr]    Compiling dmsort v1.0.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[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 block-padding v0.1.5
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling galil-seiferas v0.1.5
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling roxmltree v0.4.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling generic-array v0.11.2
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling backtrace v0.3.58
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling uint v0.5.0
[INFO] [stderr]    Compiling json_in_type v1.1.1
[INFO] [stderr]    Compiling nv-xml v0.1.3
[INFO] [stderr]    Compiling md-5 v0.8.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling twoway v0.2.1
[INFO] [stderr]    Compiling subslice v0.2.2
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling alga v0.7.2
[INFO] [stderr]    Compiling vek v0.9.12
[INFO] [stderr]    Compiling xmltree v0.8.0
[INFO] [stderr]    Compiling syn v1.0.71
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling nalgebra v0.16.14
[INFO] [stderr]    Compiling regex v1.5.3
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling sortrs v0.0.5
[INFO] [stderr]    Compiling rulinalg v0.4.2
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling numext-constructor v0.1.6
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling quick-xml v0.13.3
[INFO] [stderr]    Compiling treexml v0.7.0
[INFO] [stderr]    Compiling json5 v0.2.8
[INFO] [stderr]    Compiling thiserror v1.0.24
[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 2m 17s
[INFO] running `Command { std: "docker" "inspect" "fcabec6c14a18c1ecd5638bb182eb91f94a488e243217c6a0c653f6e64cfb414", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcabec6c14a18c1ecd5638bb182eb91f94a488e243217c6a0c653f6e64cfb414", kill_on_drop: false }`
[INFO] [stdout] fcabec6c14a18c1ecd5638bb182eb91f94a488e243217c6a0c653f6e64cfb414
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+46592174fb13958bb9a2aa0d7af6c1224e1d7143" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30404f6901c559837b29fc06ea04edac97826b403af30411433771f006a5f241
[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" "30404f6901c559837b29fc06ea04edac97826b403af30411433771f006a5f241", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling crate-race v1.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "30404f6901c559837b29fc06ea04edac97826b403af30411433771f006a5f241", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30404f6901c559837b29fc06ea04edac97826b403af30411433771f006a5f241", kill_on_drop: false }`
[INFO] [stdout] 30404f6901c559837b29fc06ea04edac97826b403af30411433771f006a5f241
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+46592174fb13958bb9a2aa0d7af6c1224e1d7143" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e8b9301b04b6ab2105619a7a36f4f1dc81b057841faa523241592f5f83a222b4
[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" "e8b9301b04b6ab2105619a7a36f4f1dc81b057841faa523241592f5f83a222b4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/crate_race-8560b2b8722e04c9)
[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" "e8b9301b04b6ab2105619a7a36f4f1dc81b057841faa523241592f5f83a222b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8b9301b04b6ab2105619a7a36f4f1dc81b057841faa523241592f5f83a222b4", kill_on_drop: false }`
[INFO] [stdout] e8b9301b04b6ab2105619a7a36f4f1dc81b057841faa523241592f5f83a222b4