[INFO] cloning repository https://github.com/DavidBM/rust-webserver-example-with-iron-diesel-r2d2-serde
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DavidBM/rust-webserver-example-with-iron-diesel-r2d2-serde" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDavidBM%2Frust-webserver-example-with-iron-diesel-r2d2-serde", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDavidBM%2Frust-webserver-example-with-iron-diesel-r2d2-serde'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eb083c13593bf96e96c6231e870b56ec845bd00d
[INFO] checking DavidBM/rust-webserver-example-with-iron-diesel-r2d2-serde against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDavidBM%2Frust-webserver-example-with-iron-diesel-r2d2-serde" "/workspace/builds/worker-18/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-18/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DavidBM/rust-webserver-example-with-iron-diesel-r2d2-serde on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DavidBM/rust-webserver-example-with-iron-diesel-r2d2-serde
[INFO] finished tweaking git repo https://github.com/DavidBM/rust-webserver-example-with-iron-diesel-r2d2-serde
[INFO] tweaked toml for git repo https://github.com/DavidBM/rust-webserver-example-with-iron-diesel-r2d2-serde written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] crate git repo https://github.com/DavidBM/rust-webserver-example-with-iron-diesel-r2d2-serde already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/DavidBM/iron-cors-rs`
[INFO] [stderr]     Updating git repository `https://github.com/iron/mount.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thread_local v0.3.3
[INFO] [stderr]   Downloaded num-traits v0.1.39
[INFO] [stderr]   Downloaded serde v0.9.15
[INFO] [stderr]   Downloaded serde v1.0.8
[INFO] [stderr]   Downloaded serde_json v1.0.2
[INFO] [stderr]   Downloaded serde_codegen_internals v0.14.2
[INFO] [stderr]   Downloaded base64 v0.5.2
[INFO] [stderr]   Downloaded dotenv v0.8.0
[INFO] [stderr]   Downloaded memchr v0.1.11
[INFO] [stderr]   Downloaded regex v0.1.80
[INFO] [stderr]   Downloaded thread-id v2.0.0
[INFO] [stderr]   Downloaded thread_local v0.2.7
[INFO] [stderr]   Downloaded error v0.1.9
[INFO] [stderr]   Downloaded sequence_trie v0.2.1
[INFO] [stderr]   Downloaded regex-syntax v0.3.9
[INFO] [stderr]   Downloaded base64 v0.4.2
[INFO] [stderr]   Downloaded num v0.1.39
[INFO] [stderr]   Downloaded lazy_static v0.2.8
[INFO] [stderr]   Downloaded modifier v0.1.0
[INFO] [stderr]   Downloaded serde_json v0.9.10
[INFO] [stderr]   Downloaded scoped_threadpool v0.1.7
[INFO] [stderr]   Downloaded persistent v0.3.0
[INFO] [stderr]   Downloaded redox_syscall v0.1.18
[INFO] [stderr]   Downloaded scheduled-thread-pool v0.1.0
[INFO] [stderr]   Downloaded aho-corasick v0.5.3
[INFO] [stderr]   Downloaded term v0.4.5
[INFO] [stderr]   Downloaded libc v0.2.23
[INFO] [stderr]   Downloaded unsafe-any v0.4.2
[INFO] [stderr]   Downloaded unicode-normalization v0.1.4
[INFO] [stderr]   Downloaded dtoa v0.4.1
[INFO] [stderr]   Downloaded thread-id v3.1.0
[INFO] [stderr]   Downloaded gcc v0.3.50
[INFO] [stderr]   Downloaded rand v0.3.15
[INFO] [stderr]   Downloaded conduit-mime-types v0.7.3
[INFO] [stderr]   Downloaded chrono v0.3.0
[INFO] [stderr]   Downloaded byteorder v1.0.0
[INFO] [stderr]   Downloaded itoa v0.3.1
[INFO] [stderr]   Downloaded num_cpus v1.5.1
[INFO] [stderr]   Downloaded iron v0.5.1
[INFO] [stderr]   Downloaded route-recognizer v0.1.12
[INFO] [stderr]   Downloaded router v0.5.1
[INFO] [stderr]   Downloaded utf8-ranges v0.1.3
[INFO] [stderr]   Downloaded num-integer v0.1.34
[INFO] [stderr]   Downloaded num-iter v0.1.33
[INFO] [stderr]   Downloaded time v0.1.37
[INFO] [stderr]   Downloaded log v0.3.8
[INFO] [stderr]   Downloaded plugin v0.2.6
[INFO] [stderr]   Downloaded typemap v0.3.3
[INFO] [stderr]   Downloaded serde_derive v0.9.15
[INFO] [stderr]   Downloaded pq-sys v0.4.3
[INFO] [stderr]   Downloaded isatty v0.1.3
[INFO] [stderr]   Downloaded r2d2 v0.7.2
[INFO] [stderr]   Downloaded slog-term v2.0.1
[INFO] [stderr]   Downloaded diesel_codegen v0.12.0
[INFO] [stderr]   Downloaded jsonwebtoken v1.1.3
[INFO] [stderr]   Downloaded unicode-bidi v0.3.3
[INFO] [stderr]   Downloaded diesel_infer_schema v0.12.0
[INFO] [stderr]   Downloaded idna v0.1.2
[INFO] [stderr]   Downloaded slog-json v2.0.1
[INFO] [stderr]   Downloaded r2d2-diesel v0.12.0
[INFO] [stderr]   Downloaded slog v2.0.6
[INFO] [stderr]   Downloaded version_check v0.1.2
[INFO] [stderr]   Downloaded constant_time_eq v0.1.2
[INFO] [stderr]   Downloaded url v1.4.1
[INFO] [stderr]   Downloaded blake2-rfc v0.2.17
[INFO] [stderr]   Downloaded hyper v0.10.12
[INFO] [stderr]   Downloaded diesel v0.12.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77fedd8189ed2cbf3e62041134199f8abf8f5772b23abf176268e7230782dcc8
[INFO] running `Command { std: "docker" "start" "-a" "77fedd8189ed2cbf3e62041134199f8abf8f5772b23abf176268e7230782dcc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77fedd8189ed2cbf3e62041134199f8abf8f5772b23abf176268e7230782dcc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77fedd8189ed2cbf3e62041134199f8abf8f5772b23abf176268e7230782dcc8", kill_on_drop: false }`
[INFO] [stdout] 77fedd8189ed2cbf3e62041134199f8abf8f5772b23abf176268e7230782dcc8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca5d4d183103e236d3994066eabee48433e488058e633a97824df11d784e8562
[INFO] running `Command { std: "docker" "start" "-a" "ca5d4d183103e236d3994066eabee48433e488058e633a97824df11d784e8562", kill_on_drop: false }`
[INFO] [stderr] error: failed to create jobserver
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to increase jobserver pipe capacity from 4096 to 8192; jobserver otherwise might deadlock
[INFO] running `Command { std: "docker" "inspect" "ca5d4d183103e236d3994066eabee48433e488058e633a97824df11d784e8562", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca5d4d183103e236d3994066eabee48433e488058e633a97824df11d784e8562", kill_on_drop: false }`
[INFO] [stdout] ca5d4d183103e236d3994066eabee48433e488058e633a97824df11d784e8562