[INFO] cloning repository https://github.com/fx2y/try-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fx2y/try-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffx2y%2Ftry-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffx2y%2Ftry-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4319909e2c968d73c4a2ba08e9799f915c916f07
[INFO] checking fx2y/try-rust against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffx2y%2Ftry-rust" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fx2y/try-rust on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fx2y/try-rust
[INFO] finished tweaking git repo https://github.com/fx2y/try-rust
[INFO] tweaked toml for git repo https://github.com/fx2y/try-rust written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/fx2y/try-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 178b7a0712b2d6d7dc6e62991686033e1d4bf8961bfc605c4e0379b7b2abe30e
[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" "178b7a0712b2d6d7dc6e62991686033e1d4bf8961bfc605c4e0379b7b2abe30e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "178b7a0712b2d6d7dc6e62991686033e1d4bf8961bfc605c4e0379b7b2abe30e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "178b7a0712b2d6d7dc6e62991686033e1d4bf8961bfc605c4e0379b7b2abe30e", kill_on_drop: false }`
[INFO] [stdout] 178b7a0712b2d6d7dc6e62991686033e1d4bf8961bfc605c4e0379b7b2abe30e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d62b45ddf25f09714c433f18032bb57131f05d674fdb4cf656a926cd5cd7467c
[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" "d62b45ddf25f09714c433f18032bb57131f05d674fdb4cf656a926cd5cd7467c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking parking v1.0.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsplit v0.1.0 (/opt/rustwide/workdir/strsplit)
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking use_lazy_static v0.1.0 (/opt/rustwide/workdir/use_lazy_static)
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling standback v0.2.9
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling time v0.2.16
[INFO] [stderr]    Compiling libsqlite3-sys v0.18.0
[INFO] [stderr]     Checking xml_example v0.1.0 (/opt/rustwide/workdir/xml_example)
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking stringprep v0.1.2
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking encoding_rs v0.8.23
[INFO] [stderr]     Checking backtrace v0.3.49
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking resolv-conf v0.6.3
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking kv-log-macro v1.0.6
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking rusqlite v0.23.1
[INFO] [stderr]     Checking const-random v0.1.8
[INFO] [stderr]     Checking ahash v0.2.18
[INFO] [stderr]     Checking use_env_logger v0.1.0 (/opt/rustwide/workdir/use_env_logger)
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking actix-codec v0.1.2
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking actix-utils v0.4.7
[INFO] [stderr]     Checking sqlite_example v0.1.0 (/opt/rustwide/workdir/sqlite_example)
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio-signal v0.2.9
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking actix-server-config v0.1.2
[INFO] [stderr]     Checking postgres-protocol v0.5.1
[INFO] [stderr]     Checking use_rand v0.1.0 (/opt/rustwide/workdir/use_rand)
[INFO] [stderr]     Checking postgres-types v0.1.1
[INFO] [stderr]    Compiling enum-as-inner v0.2.1
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]    Compiling derive_more v0.15.0
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking use_structopt v0.1.0 (/opt/rustwide/workdir/use_structopt)
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling async-trait v0.1.36
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling actix-web-codegen v0.1.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking time-macros v0.1.0
[INFO] [stderr]     Checking actix-threadpool v0.1.2
[INFO] [stderr]     Checking actix-rt v0.2.6
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking actix-server v0.6.1
[INFO] [stderr]     Checking trust-dns-proto v0.7.4
[INFO] [stderr]     Checking actix-testing v0.1.0
[INFO] [stderr]     Checking pin-project v0.4.22
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking trust-dns-resolver v0.11.1
[INFO] [stderr]     Checking actix-connect v0.2.5
[INFO] [stderr]     Checking serde v1.0.111
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking blocking v0.4.6
[INFO] [stderr]     Checking combine v4.2.1
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking smol v0.1.18
[INFO] [stderr]     Checking tokio-postgres v0.5.4
[INFO] [stderr]     Checking async-std v1.6.2
[INFO] [stderr]     Checking serde_json v1.0.55
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking actix-router v0.1.5
[INFO] [stderr]     Checking postgres v0.17.3
[INFO] [stderr]     Checking postgresql_example v0.1.0 (/opt/rustwide/workdir/postgresql_example)
[INFO] [stderr]     Checking toml_dynamic v0.1.0 (/opt/rustwide/workdir/toml_dynamic)
[INFO] [stderr]     Checking toml_static v0.1.0 (/opt/rustwide/workdir/toml_static)
[INFO] [stderr]     Checking actix-http v0.2.11
[INFO] [stderr]     Checking json_static v0.1.0 (/opt/rustwide/workdir/json_static)
[INFO] [stderr]     Checking json_dynamic v0.1.0 (/opt/rustwide/workdir/json_dynamic)
[INFO] [stderr]     Checking awc v0.2.8
[INFO] [stderr]     Checking redis v0.16.0
[INFO] [stderr]     Checking actix-web v1.0.9
[INFO] [stderr]     Checking file_transfer v0.1.0 (/opt/rustwide/workdir/file_transfer)
[INFO] [stderr]     Checking redis_example v0.1.0 (/opt/rustwide/workdir/redis_example)
[INFO] [stderr]     Checking transformer v0.1.0 (/opt/rustwide/workdir/transformer)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 26s
[INFO] running `Command { std: "docker" "inspect" "d62b45ddf25f09714c433f18032bb57131f05d674fdb4cf656a926cd5cd7467c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d62b45ddf25f09714c433f18032bb57131f05d674fdb4cf656a926cd5cd7467c", kill_on_drop: false }`
[INFO] [stdout] d62b45ddf25f09714c433f18032bb57131f05d674fdb4cf656a926cd5cd7467c