[INFO] cloning repository https://github.com/mprasil/paperpi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mprasil/paperpi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmprasil%2Fpaperpi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmprasil%2Fpaperpi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eab1cb1eebbc1566c6b4511612cc7bf6a32c383d
[INFO] checking mprasil/paperpi against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmprasil%2Fpaperpi" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mprasil/paperpi on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/mprasil/paperpi
[INFO] finished tweaking git repo https://github.com/mprasil/paperpi
[INFO] tweaked toml for git repo https://github.com/mprasil/paperpi written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/mprasil/paperpi already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", 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]  Downloading crates ...
[INFO] [stderr]   Downloaded enumset v0.3.17
[INFO] [stderr]   Downloaded enumset_derive v0.3.0
[INFO] [stderr]   Downloaded enum-map-derive v0.4.1
[INFO] [stderr]   Downloaded serializable_enum v0.4.0
[INFO] [stderr]   Downloaded enum-map-internals v0.1.2
[INFO] [stderr]   Downloaded cursive v0.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d7d5ace4e2cd2b684a34c6634b4164dd8a7a984506c2bf9959946e587c560c6
[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" "5d7d5ace4e2cd2b684a34c6634b4164dd8a7a984506c2bf9959946e587c560c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d7d5ace4e2cd2b684a34c6634b4164dd8a7a984506c2bf9959946e587c560c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d7d5ace4e2cd2b684a34c6634b4164dd8a7a984506c2bf9959946e587c560c6", kill_on_drop: false }`
[INFO] [stdout] 5d7d5ace4e2cd2b684a34c6634b4164dd8a7a984506c2bf9959946e587c560c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 901263e301e0d55d9cc7fd9c7a1cff46c17b373b3b514b7ebd4660b7739756d7
[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" "901263e301e0d55d9cc7fd9c7a1cff46c17b373b3b514b7ebd4660b7739756d7", 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 libc v0.2.50
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking futures v0.1.25
[INFO] [stderr]    Compiling cc v1.0.31
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling openssl v0.10.19
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]     Checking indexmap v1.0.2
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking array-macro v1.0.3
[INFO] [stderr]     Checking arc-swap v0.3.7
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking xi-unicode v0.1.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr]     Checking enum-map-internals v0.1.2
[INFO] [stderr]     Checking crossbeam-channel v0.3.8
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling unicase v2.3.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking num-integer v0.1.39
[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]     Checking libflate v0.1.21
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking signal-hook v0.1.8
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking mime v0.3.13
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking tokio-executor v0.1.6
[INFO] [stderr]     Checking tokio-sync v0.1.4
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking tokio-current-thread v0.1.5
[INFO] [stderr]     Checking tokio-timer v0.2.10
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.16
[INFO] [stderr]    Compiling openssl-sys v0.9.42
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.12
[INFO] [stderr]     Checking uuid v0.7.2
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.17
[INFO] [stderr]     Checking h2 v0.1.17
[INFO] [stderr]    Compiling enum-map-derive v0.4.1
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking serde_urlencoded v0.5.4
[INFO] [stderr]     Checking serializable_enum v0.4.0
[INFO] [stderr]    Compiling enumset_derive v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.89
[INFO] [stderr]     Checking enum-map v0.5.0
[INFO] [stderr]     Checking enumset v0.3.17
[INFO] [stderr]     Checking cursive v0.11.0
[INFO] [stderr]     Checking hyper v0.12.25
[INFO] [stderr]     Checking hyper-tls v0.3.1
[INFO] [stderr]     Checking reqwest v0.9.11
[INFO] [stderr]     Checking paperpi v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 21s
[INFO] running `Command { std: "docker" "inspect" "901263e301e0d55d9cc7fd9c7a1cff46c17b373b3b514b7ebd4660b7739756d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "901263e301e0d55d9cc7fd9c7a1cff46c17b373b3b514b7ebd4660b7739756d7", kill_on_drop: false }`
[INFO] [stdout] 901263e301e0d55d9cc7fd9c7a1cff46c17b373b3b514b7ebd4660b7739756d7