[INFO] cloning repository https://github.com/icegriffinguru/problem1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/icegriffinguru/problem1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ficegriffinguru%2Fproblem1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ficegriffinguru%2Fproblem1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5593110b0b71f8d7d1f3ec6f041f39ccd4aed9ec
[INFO] testing icegriffinguru/problem1 against 1.99.0-beta.1+cargoflags=--release for beta-release-1.99-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ficegriffinguru%2Fproblem1" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/icegriffinguru/problem1
[INFO] finished tweaking git repo https://github.com/icegriffinguru/problem1
[INFO] tweaked toml for git repo https://github.com/icegriffinguru/problem1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/icegriffinguru/problem1 on toolchain 1.99.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/icegriffinguru/problem1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-width v0.1.9
[INFO] [stderr]   Downloaded structopt-derive v0.4.18
[INFO] [stderr]   Downloaded ctor v0.1.22
[INFO] [stderr]   Downloaded structopt v0.3.26
[INFO] [stderr]   Downloaded vec_map v0.8.2
[INFO] [stderr]   Downloaded tokio-native-tls v0.3.0
[INFO] [stderr]   Downloaded num_threads v0.1.6
[INFO] [stderr]   Downloaded bytestring v1.1.0
[INFO] [stderr]   Downloaded actix-utils v3.0.0
[INFO] [stderr]   Downloaded sha1 v0.10.1
[INFO] [stderr]   Downloaded gloo-timers v0.2.4
[INFO] [stderr]   Downloaded openssl-macros v0.1.0
[INFO] [stderr]   Downloaded async-global-executor v2.2.0
[INFO] [stderr]   Downloaded actix-web-codegen v4.0.1
[INFO] [stderr]   Downloaded exitfailure v0.5.1
[INFO] [stderr]   Downloaded firestorm v0.5.1
[INFO] [stderr]   Downloaded alloc-stdlib v0.2.1
[INFO] [stderr]   Downloaded failure_derive v0.1.8
[INFO] [stderr]   Downloaded alloc-no-stdlib v2.0.3
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.31
[INFO] [stderr]   Downloaded actix-codec v0.5.0
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.81
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.81
[INFO] [stderr]   Downloaded blocking v1.2.0
[INFO] [stderr]   Downloaded strsim v0.8.0
[INFO] [stderr]   Downloaded paste v1.0.7
[INFO] [stderr]   Downloaded actix-rt v2.7.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.81
[INFO] [stderr]   Downloaded semver v1.0.10
[INFO] [stderr]   Downloaded async-task v4.2.0
[INFO] [stderr]   Downloaded failure v0.1.8
[INFO] [stderr]   Downloaded time-macros v0.2.4
[INFO] [stderr]   Downloaded native-tls v0.2.10
[INFO] [stderr]   Downloaded pkg-config v0.3.25
[INFO] [stderr]   Downloaded async-io v1.7.0
[INFO] [stderr]   Downloaded actix-router v0.5.0
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.9
[INFO] [stderr]   Downloaded cookie v0.16.0
[INFO] [stderr]   Downloaded schannel v0.1.20
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.81
[INFO] [stderr]   Downloaded indexmap v1.9.1
[INFO] [stderr]   Downloaded miniz_oxide v0.5.3
[INFO] [stderr]   Downloaded regex v1.5.6
[INFO] [stderr]   Downloaded actix-server v2.1.1
[INFO] [stderr]   Downloaded openssl-sys v0.9.74
[INFO] [stderr]   Downloaded js-sys v0.3.58
[INFO] [stderr]   Downloaded bumpalo v3.10.0
[INFO] [stderr]   Downloaded backtrace v0.3.65
[INFO] [stderr]   Downloaded flate2 v1.0.24
[INFO] [stderr]   Downloaded time v0.3.11
[INFO] [stderr]   Downloaded actix-http v3.1.0
[INFO] [stderr]   Downloaded reqwest v0.11.11
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.81
[INFO] [stderr]   Downloaded brotli-decompressor v2.3.2
[INFO] [stderr]   Downloaded async-std v1.12.0
[INFO] [stderr]   Downloaded actix-web v4.1.0
[INFO] [stderr]   Downloaded openssl v0.10.40
[INFO] [stderr]   Downloaded regex-syntax v0.6.26
[INFO] [stderr]   Downloaded object v0.28.4
[INFO] [stderr]   Downloaded web-sys v0.3.58
[INFO] [stderr]   Downloaded encoding_rs v0.8.31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 99cd66d36995f73743d6b6958d8ac47e0db97ad1e41dd17acc5b37e3c1d92bc2
[INFO] running `Command { std: "docker" "start" "99cd66d36995f73743d6b6958d8ac47e0db97ad1e41dd17acc5b37e3c1d92bc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99cd66d36995f73743d6b6958d8ac47e0db97ad1e41dd17acc5b37e3c1d92bc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "99cd66d36995f73743d6b6958d8ac47e0db97ad1e41dd17acc5b37e3c1d92bc2" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99cd66d36995f73743d6b6958d8ac47e0db97ad1e41dd17acc5b37e3c1d92bc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "99cd66d36995f73743d6b6958d8ac47e0db97ad1e41dd17acc5b37e3c1d92bc2" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling futures-io v0.3.21
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.9
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling slab v0.4.6
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling itoa v1.0.2
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling tracing-core v0.1.27
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling http v0.2.8
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling cache-padded v1.2.0
[INFO] [stderr]    Compiling hashbrown v0.12.1
[INFO] [stderr]    Compiling httparse v1.7.1
[INFO] [stderr]    Compiling miniz_oxide v0.5.3
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling openssl v0.10.40
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling alloc-no-stdlib v2.0.3
[INFO] [stderr]    Compiling event-listener v2.5.2
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]    Compiling zstd-safe v5.0.2+zstd.1.5.2
[INFO] [stderr]    Compiling httpdate v1.0.2
[INFO] [stderr]    Compiling alloc-stdlib v0.2.1
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling socket2 v0.4.4
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling block-buffer v0.10.2
[INFO] [stderr]    Compiling crypto-common v0.1.3
[INFO] [stderr]    Compiling unicode-bidi v0.3.8
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling paste v1.0.7
[INFO] [stderr]    Compiling openssl-sys v0.9.74
[INFO] [stderr]    Compiling zstd-sys v2.0.1+zstd.1.5.2
[INFO] [stderr]    Compiling backtrace v0.3.65
[INFO] [stderr]    Compiling gimli v0.26.1
[INFO] [stderr]    Compiling regex-syntax v0.6.26
[INFO] [stderr]    Compiling async-task v4.2.0
[INFO] [stderr]    Compiling ryu v1.0.10
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling actix-service v2.0.2
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling digest v0.10.3
[INFO] [stderr]    Compiling http-body v0.4.5
[INFO] [stderr]    Compiling brotli-decompressor v2.3.2
[INFO] [stderr]    Compiling actix-utils v3.0.0
[INFO] [stderr]    Compiling bytestring v1.1.0
[INFO] [stderr]    Compiling async-channel v1.6.1
[INFO] [stderr]    Compiling object v0.28.4
[INFO] [stderr]    Compiling cookie v0.16.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling time-macros v0.2.4
[INFO] [stderr]    Compiling cpufeatures v0.2.2
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling num_threads v0.1.6
[INFO] [stderr]    Compiling firestorm v0.5.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.9
[INFO] [stderr]    Compiling brotli v3.3.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling blocking v1.2.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling regex v1.5.6
[INFO] [stderr]    Compiling time v0.3.11
[INFO] [stderr]    Compiling sha1 v0.10.1
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling flate2 v1.0.24
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.99.0-beta.1-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.98/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debug-assertions=off --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=47c40bea79c8f0e4 -C extra-filename=-45871ccc436fca5c --out-dir /opt/rustwide/target/release/deps -C strip=debuginfo -L dependency=/opt/rustwide/target/release/deps --extern proc_macro2=/opt/rustwide/target/release/deps/libproc_macro2-5bb924f8fb6870e1.rmeta --extern quote=/opt/rustwide/target/release/deps/libquote-aa6539465d0a83b8.rmeta --extern unicode_ident=/opt/rustwide/target/release/deps/libunicode_ident-348453760ba60f69.rmeta --cap-lints allow --cap-lints=warn --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `serde` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.99.0-beta.1-x86_64-unknown-linux-gnu/bin/rustc --crate-name serde --edition=2015 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde-1.0.137/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C opt-level=3 -C embed-bitcode=no --cfg 'feature="default"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("alloc", "default", "derive", "rc", "serde_derive", "std", "unstable"))' -C metadata=bd2b9de5a23588b1 -C extra-filename=-65f2c6f3b933641d --out-dir /opt/rustwide/target/release/deps -C strip=debuginfo -L dependency=/opt/rustwide/target/release/deps --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "99cd66d36995f73743d6b6958d8ac47e0db97ad1e41dd17acc5b37e3c1d92bc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99cd66d36995f73743d6b6958d8ac47e0db97ad1e41dd17acc5b37e3c1d92bc2", kill_on_drop: false }`
[INFO] [stdout] 99cd66d36995f73743d6b6958d8ac47e0db97ad1e41dd17acc5b37e3c1d92bc2
