[INFO] fetching crate check-if-email-exists-grpc 0.9.0...
[INFO] testing check-if-email-exists-grpc-0.9.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate check-if-email-exists-grpc 0.9.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate check-if-email-exists-grpc 0.9.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate check-if-email-exists-grpc 0.9.0
[INFO] finished tweaking crates.io crate check-if-email-exists-grpc 0.9.0
[INFO] tweaked toml for crates.io crate check-if-email-exists-grpc 0.9.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate check-if-email-exists-grpc 0.9.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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] b3dc8b3765f4e55c6b2ea9bb6606cdd213027db29b0abfffc5182a5d654e279c
[INFO] running `Command { std: "docker" "start" "-a" "b3dc8b3765f4e55c6b2ea9bb6606cdd213027db29b0abfffc5182a5d654e279c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3dc8b3765f4e55c6b2ea9bb6606cdd213027db29b0abfffc5182a5d654e279c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3dc8b3765f4e55c6b2ea9bb6606cdd213027db29b0abfffc5182a5d654e279c", kill_on_drop: false }`
[INFO] [stdout] b3dc8b3765f4e55c6b2ea9bb6606cdd213027db29b0abfffc5182a5d654e279c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71f112d1e2a2461c1b0cf541cba929087814cec30d7f5e52a6f478f65417ba44
[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" "71f112d1e2a2461c1b0cf541cba929087814cec30d7f5e52a6f478f65417ba44", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling futures-io v0.3.17
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling futures-sink v0.3.17
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling signal-hook v0.3.10
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling fixedbitset v0.4.0
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling match_cfg v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling ascii_utils v0.9.3
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling tower-layer v0.3.1
[INFO] [stderr]    Compiling bufstream v0.1.4
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling arc-swap v1.3.2
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.7
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling tracing-core v0.1.20
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling instant v0.1.10
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling sharded-slab v0.1.3
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling async-mutex v1.4.0
[INFO] [stderr]    Compiling async-lock v2.4.0
[INFO] [stderr]    Compiling tinyvec v1.4.0
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling http v0.2.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling fast_chemail v0.9.6
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling lru-cache v0.1.2
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling mailchecker v4.0.11
[INFO] [stderr]    Compiling async-channel v1.6.1
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling matchers v0.1.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling socket2 v0.4.1
[INFO] [stderr]    Compiling which v4.2.2
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling hostname v0.1.5
[INFO] [stderr]    Compiling petgraph v0.6.0
[INFO] [stderr]    Compiling openssl-sys v0.9.66
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling prost-build v0.9.0
[INFO] [stderr]    Compiling resolv-conf v0.7.0
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling async-executor v1.4.1
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling http-body v0.4.4
[INFO] [stderr]    Compiling openssl v0.10.36
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling ctor v0.1.21
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.16
[INFO] [stderr]    Compiling prost-derive v0.9.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling async-stream-impl v0.3.2
[INFO] [stderr]    Compiling async-recursion v0.3.2
[INFO] [stderr]    Compiling async-stream v0.3.2
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling polling v2.1.0
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling tracing-log v0.1.2
[INFO] [stderr]    Compiling async-io v1.6.0
[INFO] [stderr]    Compiling tracing v0.1.27
[INFO] [stderr]    Compiling async-global-executor v2.0.2
[INFO] [stderr]    Compiling async-process v1.2.0
[INFO] [stderr]    Compiling tracing-subscriber v0.3.1
[INFO] [stderr]    Compiling pin-project v1.0.8
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling async-std v1.10.0
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling prost v0.9.0
[INFO] [stderr]    Compiling prost-types v0.9.0
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling futures-executor v0.3.17
[INFO] [stderr]    Compiling tonic-build v0.6.0
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling tokio-util v0.6.8
[INFO] [stderr]    Compiling tokio-stream v0.1.7
[INFO] [stderr]    Compiling trust-dns-proto v0.20.3
[INFO] [stderr]    Compiling tokio-io-timeout v1.1.1
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling tokio-socks v0.5.1
[INFO] [stderr]    Compiling tonic-health v0.5.0
[INFO] [stderr]    Compiling check-if-email-exists-grpc v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling h2 v0.3.4
[INFO] [stderr]    Compiling tower v0.4.8
[INFO] [stderr]    Compiling combine v4.6.1
[INFO] [stderr]    Compiling fast-socks5 v0.4.3
[INFO] [stderr]    Compiling async-native-tls v0.3.3
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling trust-dns-resolver v0.20.3
[INFO] [stderr] error: failed to run custom build command for `check-if-email-exists-grpc v0.9.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/check-if-email-exists-grpc-926981e55f6c1484/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   error: 'rustfmt' is not installed for the toolchain '62efba8a050c64249dab942951bb28f710208bc8'
[INFO] [stderr]   note: this is a custom toolchain, which cannot use `rustup component add`
[INFO] [stderr]   help: if you built this toolchain from source, and used `rustup toolchain link`, then you may be able to build the component with `x.py`
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "71f112d1e2a2461c1b0cf541cba929087814cec30d7f5e52a6f478f65417ba44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71f112d1e2a2461c1b0cf541cba929087814cec30d7f5e52a6f478f65417ba44", kill_on_drop: false }`
[INFO] [stdout] 71f112d1e2a2461c1b0cf541cba929087814cec30d7f5e52a6f478f65417ba44