[INFO] cloning repository https://github.com/asciiu/discipline
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/asciiu/discipline" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasciiu%2Fdiscipline", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasciiu%2Fdiscipline'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9a29455b5c59824c894be12f5b59ca2a6798a1c7
[INFO] building asciiu/discipline against master#461e8078010433ff7de2db2aaae8a3cfb0847215 for pr-94962
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasciiu%2Fdiscipline" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/asciiu/discipline on toolchain 461e8078010433ff7de2db2aaae8a3cfb0847215
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/asciiu/discipline
[INFO] finished tweaking git repo https://github.com/asciiu/discipline
[INFO] tweaked toml for git repo https://github.com/asciiu/discipline written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/asciiu/discipline already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded typenum v1.10.0
[INFO] [stderr]   Downloaded http v0.1.17
[INFO] [stderr]   Downloaded generic-array v0.12.0
[INFO] [stderr]   Downloaded pretty_env_logger v0.2.5
[INFO] [stderr]   Downloaded juniper_hyper v0.3.0
[INFO] [stderr]   Downloaded string v0.2.0
[INFO] [stderr]   Downloaded bcrypt v0.4.0
[INFO] [stderr]   Downloaded want v0.0.6
[INFO] [stderr]   Downloaded opaque-debug v0.2.2
[INFO] [stderr]   Downloaded getrandom v0.1.6
[INFO] [stderr]   Downloaded diesel v1.4.2
[INFO] [stderr]   Downloaded rand_core v0.5.0
[INFO] [stderr]   Downloaded syn v0.15.36
[INFO] [stderr]   Downloaded futures v0.1.27
[INFO] [stderr]   Downloaded rand_chacha v0.2.0
[INFO] [stderr]   Downloaded ryu v0.2.8
[INFO] [stderr]   Downloaded serde v1.0.92
[INFO] [stderr]   Downloaded rand v0.7.0
[INFO] [stderr]   Downloaded serde_derive v1.0.92
[INFO] [stderr]   Downloaded blowfish v0.4.0
[INFO] [stderr]   Downloaded jsonwebtoken v6.0.1
[INFO] [stderr]   Downloaded scheduled-thread-pool v0.2.1
[INFO] [stderr]   Downloaded r2d2 v0.8.5
[INFO] [stderr]   Downloaded hyper v0.12.30
[INFO] [stderr]   Downloaded h2 v0.1.24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:1ede1414886370302e694df474b9877c02906499f04c196936ce0973d30c5eaa" "/opt/rustwide/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "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] 79572c495d36305440b9b22ad74d39778645243b60d200f4e8c9a7b160e3ea4d
[INFO] running `Command { std: "docker" "start" "-a" "79572c495d36305440b9b22ad74d39778645243b60d200f4e8c9a7b160e3ea4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79572c495d36305440b9b22ad74d39778645243b60d200f4e8c9a7b160e3ea4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79572c495d36305440b9b22ad74d39778645243b60d200f4e8c9a7b160e3ea4d", kill_on_drop: false }`
[INFO] [stdout] 79572c495d36305440b9b22ad74d39778645243b60d200f4e8c9a7b160e3ea4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:1ede1414886370302e694df474b9877c02906499f04c196936ce0973d30c5eaa" "/opt/rustwide/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "build" "--frozen" "--message-format=json", 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] ae5e0fe96ebe7fa56106ae200ebea24cb00f71b5bfe0b38f935e752be7439895
[INFO] running `Command { std: "docker" "start" "-a" "ae5e0fe96ebe7fa56106ae200ebea24cb00f71b5bfe0b38f935e752be7439895", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling spin v0.5.0
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling futures v0.1.27
[INFO] [stderr]    Compiling smallvec v0.6.10
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling serde v1.0.92
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling syn v0.15.36
[INFO] [stderr]    Compiling utf8-ranges v1.0.3
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling regex v1.1.7
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling pq-sys v0.4.6
[INFO] [stderr]    Compiling try-lock v0.2.2
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling opaque-debug v0.2.2
[INFO] [stderr]    Compiling untrusted v0.6.2
[INFO] [stderr]    Compiling termcolor v1.0.5
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling owning_ref v0.4.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling regex-syntax v0.6.7
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling unicode-normalization v0.1.8
[INFO] [stderr]    Compiling lock_api v0.2.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[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 num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]    Compiling crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling tokio-trace-core v0.2.0
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling tokio-sync v0.1.6
[INFO] [stderr]    Compiling want v0.0.6
[INFO] [stderr]    Compiling tokio-executor v0.1.7
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling aho-corasick v0.7.3
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.1
[INFO] [stderr]    Compiling tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling tokio-timer v0.2.11
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling getrandom v0.1.6
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling generic-array v0.12.0
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling mio v0.6.19
[INFO] [stderr]    Compiling block-cipher-trait v0.6.2
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling http v0.1.17
[INFO] [stderr]    Compiling string v0.2.0
[INFO] [stderr]    Compiling tokio-buf v0.1.1
[INFO] [stderr]    Compiling blowfish v0.4.0
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling tokio-threadpool v0.1.14
[INFO] [stderr]    Compiling bcrypt v0.4.0
[INFO] [stderr]    Compiling dotenv v0.9.0
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling indexmap v1.0.2
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling pretty_env_logger v0.2.5
[INFO] [stderr]    Compiling tokio-fs v0.1.6
[INFO] [stderr]    Compiling scheduled-thread-pool v0.2.1
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling h2 v0.1.24
[INFO] [stderr]    Compiling http-body v0.1.0
[INFO] [stderr]    Compiling r2d2 v0.8.5
[INFO] [stderr]    Compiling tokio v0.1.21
[INFO] [stderr]    Compiling hyper v0.12.30
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]    Compiling juniper_codegen v0.12.0
[INFO] [stderr]    Compiling diesel_derives v1.4.0
[INFO] [stderr]    Compiling diesel v1.4.2
[INFO] [stderr]    Compiling juniper v0.12.0
[INFO] [stderr]    Compiling jsonwebtoken v6.0.1
[INFO] [stderr]    Compiling juniper_hyper v0.3.0
[INFO] [stderr]    Compiling discipline v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 49s
[INFO] running `Command { std: "docker" "inspect" "ae5e0fe96ebe7fa56106ae200ebea24cb00f71b5bfe0b38f935e752be7439895", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae5e0fe96ebe7fa56106ae200ebea24cb00f71b5bfe0b38f935e752be7439895", kill_on_drop: false }`
[INFO] [stdout] ae5e0fe96ebe7fa56106ae200ebea24cb00f71b5bfe0b38f935e752be7439895
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:1ede1414886370302e694df474b9877c02906499f04c196936ce0973d30c5eaa" "/opt/rustwide/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f47106abc4905536668908457d5856e46f32b89b8b61bf631af3d5601f8d1163
[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" "f47106abc4905536668908457d5856e46f32b89b8b61bf631af3d5601f8d1163", kill_on_drop: false }`
[INFO] [stderr]    Compiling discipline v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.26s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/discipline-0d195ecb861a09a8)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/discipline-93da0dd9dc67a62d)
[INFO] running `Command { std: "docker" "inspect" "f47106abc4905536668908457d5856e46f32b89b8b61bf631af3d5601f8d1163", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f47106abc4905536668908457d5856e46f32b89b8b61bf631af3d5601f8d1163", kill_on_drop: false }`
[INFO] [stdout] f47106abc4905536668908457d5856e46f32b89b8b61bf631af3d5601f8d1163