[INFO] cloning repository https://github.com/BearGuy/janus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BearGuy/janus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBearGuy%2Fjanus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBearGuy%2Fjanus'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 181e0bdec4fc3d14facc12f908d543f68674d7ac
[INFO] checking BearGuy/janus against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBearGuy%2Fjanus" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BearGuy/janus on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BearGuy/janus
[INFO] finished tweaking git repo https://github.com/BearGuy/janus
[INFO] tweaked toml for git repo https://github.com/BearGuy/janus written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/BearGuy/janus already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/seanmonstar/warp`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded urlencoding v1.0.0
[INFO] [stderr]   Downloaded url v2.1.0
[INFO] [stderr]   Downloaded rand v0.7.2
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.6
[INFO] [stderr]   Downloaded c2-chacha v0.2.3
[INFO] [stderr]   Downloaded smallvec v1.1.0
[INFO] [stderr]   Downloaded serde_json v1.0.44
[INFO] [stderr]   Downloaded pin-project-internal v0.4.6
[INFO] [stderr]   Downloaded remove_dir_all v0.5.2
[INFO] [stderr]   Downloaded try-lock v0.2.2
[INFO] [stderr]   Downloaded autocfg v0.1.7
[INFO] [stderr]   Downloaded rand_core v0.4.2
[INFO] [stderr]   Downloaded headers-core v0.2.0
[INFO] [stderr]   Downloaded phf_codegen v0.7.24
[INFO] [stderr]   Downloaded indexmap v1.3.0
[INFO] [stderr]   Downloaded futures-io v0.3.1
[INFO] [stderr]   Downloaded linked-hash-map v0.5.2
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[INFO] [stderr]   Downloaded blake2b_simd v0.5.9
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[INFO] [stderr]   Downloaded chrono v0.4.10
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[INFO] [stderr]   Downloaded arrayvec v0.5.1
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[INFO] [stderr]   Downloaded version_check v0.9.1
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[INFO] [stderr]   Downloaded tokio-util v0.2.0
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[INFO] [stderr]   Downloaded http v0.2.0
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[INFO] [stderr]   Downloaded syn v1.0.11
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[INFO] [stderr]   Downloaded phf v0.7.24
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[INFO] [stderr]   Downloaded pin-utils v0.1.0-alpha.4
[INFO] [stderr]   Downloaded phf_shared v0.7.24
[INFO] [stderr]   Downloaded byteorder v1.3.2
[INFO] [stderr]   Downloaded getrandom v0.1.13
[INFO] [stderr]   Downloaded futures-util v0.3.1
[INFO] [stderr]   Downloaded libsqlite3-sys v0.17.0
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[INFO] [stderr]   Downloaded pin-project v0.4.6
[INFO] [stderr]   Downloaded headers v0.3.0
[INFO] [stderr]   Downloaded rand_chacha v0.2.1
[INFO] [stderr]   Downloaded futures-macro v0.3.1
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[INFO] [stderr]   Downloaded base64 v0.11.0
[INFO] [stderr]   Downloaded typenum v1.11.2
[INFO] [stderr]   Downloaded rust-argon2 v0.6.1
[INFO] [stderr]   Downloaded futures-channel v0.3.1
[INFO] [stderr]   Downloaded pkg-config v0.3.17
[INFO] [stderr]   Downloaded vcpkg v0.2.8
[INFO] [stderr]   Downloaded futures v0.3.1
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.11
[INFO] [stderr]   Downloaded futures-sink v0.3.1
[INFO] [stderr]   Downloaded hyper v0.13.1
[INFO] [stderr]   Downloaded time v0.1.42
[INFO] [stderr]   Downloaded itoa v0.4.4
[INFO] [stderr]   Downloaded input_buffer v0.2.0
[INFO] [stderr]   Downloaded multipart v0.16.1
[INFO] [stderr]   Downloaded bytes v0.4.12
[INFO] [stderr]   Downloaded scoped-tls v1.0.0
[INFO] [stderr]   Downloaded mime_guess v2.0.1
[INFO] [stderr]   Downloaded phf_generator v0.7.24
[INFO] [stderr]   Downloaded siphasher v0.2.3
[INFO] [stderr]   Downloaded unicase v1.4.2
[INFO] [stderr]   Downloaded bytes v0.5.3
[INFO] [stderr]   Downloaded tokio v0.2.6
[INFO] [stderr]   Downloaded ryu v1.0.2
[INFO] [stderr]   Downloaded num_cpus v1.11.1
[INFO] [stderr]   Downloaded dtoa v0.4.4
[INFO] [stderr]   Downloaded serde_urlencoded v0.6.1
[INFO] [stderr]   Downloaded hermit-abi v0.1.5
[INFO] [stderr]   Downloaded pin-project-lite v0.1.1
[INFO] [stderr]   Downloaded http v0.1.21
[INFO] [stderr]   Downloaded tungstenite v0.9.2
[INFO] [stderr]   Downloaded sha-1 v0.8.1
[INFO] [stderr]   Downloaded unicode-normalization v0.1.11
[INFO] [stderr]   Downloaded futures-task v0.3.1
[INFO] [stderr]   Downloaded mime_guess v1.8.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 570c5de9d0e33cf9c90bed840c10ee3801be422d73df0e140ecac5b32f1352bb
[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" "570c5de9d0e33cf9c90bed840c10ee3801be422d73df0e140ecac5b32f1352bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "570c5de9d0e33cf9c90bed840c10ee3801be422d73df0e140ecac5b32f1352bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "570c5de9d0e33cf9c90bed840c10ee3801be422d73df0e140ecac5b32f1352bb", kill_on_drop: false }`
[INFO] [stdout] 570c5de9d0e33cf9c90bed840c10ee3801be422d73df0e140ecac5b32f1352bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df8a3e9652ac2ea2223aa08f8968b1d29b80a301f6d3838d375c4c19bc32e34c
[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" "df8a3e9652ac2ea2223aa08f8968b1d29b80a301f6d3838d375c4c19bc32e34c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking smallvec v1.1.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]     Checking mime v0.3.14
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking dtoa v0.4.4
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking arrayref v0.3.5
[INFO] [stderr]     Checking constant_time_eq v0.1.4
[INFO] [stderr]     Checking fallible-streaming-iterator v0.1.9
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking http v0.2.0
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking unicode-normalization v0.1.11
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking blake2b_simd v0.5.9
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking rand_pcg v0.1.2
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]    Compiling mime_guess v2.0.1
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling libsqlite3-sys v0.17.0
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking rust-argon2 v0.6.1
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking getrandom v0.1.13
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking sha-1 v0.8.1
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking rusqlite v0.21.0
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking input_buffer v0.2.0
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking headers v0.3.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v1.8.7
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking tungstenite v0.9.2
[INFO] [stderr]     Checking multipart v0.16.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling tokio-macros v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling pin-project-internal v0.4.6
[INFO] [stderr]     Checking tokio v0.2.6
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking pin-project v0.4.6
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking h2 v0.2.1
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking hyper v0.13.1
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking warp v0.2.0-alpha.0 (https://github.com/seanmonstar/warp#cbc8f472)
[INFO] [stderr]     Checking janus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "df8a3e9652ac2ea2223aa08f8968b1d29b80a301f6d3838d375c4c19bc32e34c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df8a3e9652ac2ea2223aa08f8968b1d29b80a301f6d3838d375c4c19bc32e34c", kill_on_drop: false }`
[INFO] [stdout] df8a3e9652ac2ea2223aa08f8968b1d29b80a301f6d3838d375c4c19bc32e34c