[INFO] cloning repository https://github.com/buxx/rollac
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/buxx/rollac" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbuxx%2Frollac", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbuxx%2Frollac'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 424617666614c6d4b5b6755d263497c7eef29c02
[INFO] checking buxx/rollac against master#8a497b7181cad4ae66dbd6cc31042b69b6bd0df7 for pr-102474
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbuxx%2Frollac" "/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/buxx/rollac on toolchain 8a497b7181cad4ae66dbd6cc31042b69b6bd0df7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8a497b7181cad4ae66dbd6cc31042b69b6bd0df7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/buxx/rollac
[INFO] finished tweaking git repo https://github.com/buxx/rollac
[INFO] tweaked toml for git repo https://github.com/buxx/rollac written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/buxx/rollac already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8a497b7181cad4ae66dbd6cc31042b69b6bd0df7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thread_local v1.1.1
[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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+8a497b7181cad4ae66dbd6cc31042b69b6bd0df7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 828748ee585b50dc87851bd5136ce5e52a946d46f649fcfaea91363570a8243b
[INFO] running `Command { std: "docker" "start" "-a" "828748ee585b50dc87851bd5136ce5e52a946d46f649fcfaea91363570a8243b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "828748ee585b50dc87851bd5136ce5e52a946d46f649fcfaea91363570a8243b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "828748ee585b50dc87851bd5136ce5e52a946d46f649fcfaea91363570a8243b", kill_on_drop: false }`
[INFO] [stdout] 828748ee585b50dc87851bd5136ce5e52a946d46f649fcfaea91363570a8243b
[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" "RUSTDOCFLAGS=--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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+8a497b7181cad4ae66dbd6cc31042b69b6bd0df7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f861b436381e0bcc5badad00f98c015542353273345f95f00090c6cfe5d6b495
[INFO] running `Command { std: "docker" "start" "-a" "f861b436381e0bcc5badad00f98c015542353273345f95f00090c6cfe5d6b495", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking futures-io v0.3.8
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking pin-project-lite v0.2.0
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking futures-sink v0.3.8
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking futures v0.1.30
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking bytes v1.0.0
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking tracing v0.1.22
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking vec-arena v1.0.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]    Compiling getrandom v0.2.1
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking nb-connect v1.0.2
[INFO] [stderr]     Checking polling v2.0.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking tokio v0.2.24
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking async-io v1.3.1
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
[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 socket2 v0.3.19
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]    Compiling encoding_rs v0.8.26
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking async-executor v1.4.0
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking async-channel v1.5.1
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking thread_local v1.1.1
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking async-process v1.0.1
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking async-global-executor v1.4.3
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking async-std v1.8.0
[INFO] [stderr]     Checking rand v0.8.2
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking env_logger v0.8.2
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.2.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking websocket-base v0.26.2
[INFO] [stderr]     Checking websocket v0.26.2
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking pin-project v1.0.2
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking hyper v0.13.9
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.10
[INFO] [stderr]     Checking rollac v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.33s
[INFO] running `Command { std: "docker" "inspect" "f861b436381e0bcc5badad00f98c015542353273345f95f00090c6cfe5d6b495", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f861b436381e0bcc5badad00f98c015542353273345f95f00090c6cfe5d6b495", kill_on_drop: false }`
[INFO] [stdout] f861b436381e0bcc5badad00f98c015542353273345f95f00090c6cfe5d6b495