[INFO] cloning repository https://github.com/aldor007/greebo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aldor007/greebo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faldor007%2Fgreebo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faldor007%2Fgreebo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a883248cdadefebd84171519413b81e5590a0e8f
[INFO] checking aldor007/greebo against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faldor007%2Fgreebo" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aldor007/greebo 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] started tweaking git repo https://github.com/aldor007/greebo
[INFO] finished tweaking git repo https://github.com/aldor007/greebo
[INFO] tweaked toml for git repo https://github.com/aldor007/greebo written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/aldor007/greebo 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] error: the lock file /workspace/builds/worker-0/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded base64-url v1.4.9
[INFO] [stderr]   Downloaded maxminddb v0.17.2
[INFO] [stderr]   Downloaded grpc v0.8.3
[INFO] [stderr]   Downloaded protobuf v2.18.2
[INFO] [stderr]   Downloaded httpbis v0.9.1
[INFO] [stderr]   Downloaded grpc-compiler v0.8.3
[INFO] [stderr]   Downloaded tonic v0.4.2
[INFO] [stderr]   Downloaded protoc v2.18.2
[INFO] [stderr]   Downloaded protoc-rust-grpc v0.8.3
[INFO] [stderr]   Downloaded protoc-rust v2.18.2
[INFO] [stderr]   Downloaded tonic-build v0.4.2
[INFO] [stderr]   Downloaded protobuf-codegen v2.18.2
[INFO] [stderr]   Downloaded tls-api v0.4.0
[INFO] [stderr]   Downloaded log-ndc v0.2.0
[INFO] [stderr]   Downloaded tls-api-stub v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 1c0d3536dfcef8f84a166c8666ef41714b3565b01cdb5280c5804813d33dc6ef
[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" "1c0d3536dfcef8f84a166c8666ef41714b3565b01cdb5280c5804813d33dc6ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c0d3536dfcef8f84a166c8666ef41714b3565b01cdb5280c5804813d33dc6ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c0d3536dfcef8f84a166c8666ef41714b3565b01cdb5280c5804813d33dc6ef", kill_on_drop: false }`
[INFO] [stdout] 1c0d3536dfcef8f84a166c8666ef41714b3565b01cdb5280c5804813d33dc6ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c876f5a206d1a898b382b17874bd86780bc966630a347f91c7573fd8e32092f0
[INFO] running `Command { std: "docker" "start" "-a" "c876f5a206d1a898b382b17874bd86780bc966630a347f91c7573fd8e32092f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking futures-core v0.3.14
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking futures-sink v0.3.14
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking futures-task v0.3.14
[INFO] [stderr]     Checking futures-io v0.3.14
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking copyless v0.1.5
[INFO] [stderr]    Compiling httparse v1.4.0
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]    Compiling const_fn v0.4.7
[INFO] [stderr]    Compiling protobuf v2.18.2
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling openssl v0.10.33
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]    Compiling lexical-core v0.7.5
[INFO] [stderr]    Compiling httpbis v0.9.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking tower-layer v0.3.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking futures-channel v0.3.14
[INFO] [stderr]     Checking lock_api v0.4.3
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]     Checking bytestring v1.0.0
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking tinyvec v1.2.0
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling time v0.2.26
[INFO] [stderr]    Compiling cookie v0.14.4
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking base64-url v1.4.9
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling openssl-sys v0.9.61
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking log-ndc v0.2.0
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking unix_socket v0.5.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking serde_test v0.8.23
[INFO] [stderr]    Compiling which v4.1.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]     Checking http-body v0.4.1
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking resolv-conf v0.7.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]    Compiling protoc v2.18.2
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]    Compiling prost-build v0.7.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking serde-hjson v0.9.1
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]     Checking sha-1 v0.9.4
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking url v2.2.1
[INFO] [stderr]    Compiling protobuf-codegen v2.18.2
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling grpc-compiler v0.8.3
[INFO] [stderr]    Compiling protoc-rust v2.18.2
[INFO] [stderr]    Compiling protoc-rust-grpc v0.8.3
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tls-api v0.4.0
[INFO] [stderr]     Checking tls-api-stub v0.4.0
[INFO] [stderr]    Compiling futures-macro v0.3.14
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling derive_more v0.99.13
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling actix-macros v0.1.3
[INFO] [stderr]    Compiling prost-derive v0.7.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling async-stream-impl v0.3.0
[INFO] [stderr]    Compiling actix-web-codegen v0.4.0
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking async-stream v0.3.0
[INFO] [stderr]     Checking futures-util v0.3.14
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]     Checking pin-project v1.0.7
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking pin-project v0.4.28
[INFO] [stderr]    Compiling prost v0.7.0
[INFO] [stderr]     Checking actix-codec v0.3.0
[INFO] [stderr]     Checking prost-types v0.7.0
[INFO] [stderr]     Checking actix-threadpool v0.3.3
[INFO] [stderr]     Checking futures-executor v0.3.14
[INFO] [stderr]     Checking actix-service v1.0.6
[INFO] [stderr]     Checking actix-rt v1.1.1
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking futures v0.3.14
[INFO] [stderr]     Checking trust-dns-proto v0.19.7
[INFO] [stderr]     Checking actix-utils v2.0.0
[INFO] [stderr]     Checking tokio-util v0.6.6
[INFO] [stderr]     Checking tokio-stream v0.1.5
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.3.2
[INFO] [stderr]     Checking tower v0.4.6
[INFO] [stderr]     Checking actix-server v1.0.4
[INFO] [stderr]     Checking actix-tls v2.0.0
[INFO] [stderr]    Compiling tonic-build v0.4.2
[INFO] [stderr]     Checking actix-testing v1.0.1
[INFO] [stderr]    Compiling greebo v1.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking trust-dns-resolver v0.19.7
[INFO] [stderr]     Checking grpc v0.8.3
[INFO] [stderr]     Checking actix-connect v2.0.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking actix-router v0.2.7
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking maxminddb v0.17.2
[INFO] [stderr] error: failed to run custom build command for `greebo v1.3.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/greebo-f398664e359ab2a2/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   error: 'rustfmt' is not installed for the toolchain '45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4'
[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" "c876f5a206d1a898b382b17874bd86780bc966630a347f91c7573fd8e32092f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c876f5a206d1a898b382b17874bd86780bc966630a347f91c7573fd8e32092f0", kill_on_drop: false }`
[INFO] [stdout] c876f5a206d1a898b382b17874bd86780bc966630a347f91c7573fd8e32092f0