[INFO] cloning repository https://github.com/boybird/play
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/boybird/play" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboybird%2Fplay", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboybird%2Fplay'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5f66e741e2d88d0e2a363b997cb3d391c258aa20
[INFO] checking boybird/play against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboybird%2Fplay" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/boybird/play on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/boybird/play
[INFO] finished tweaking git repo https://github.com/boybird/play
[INFO] tweaked toml for git repo https://github.com/boybird/play written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/boybird/play already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42366452db3b8f0230f89b1e9dcc98e5b1213b4144cde51cd3144c950b1fd3ca
[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" "42366452db3b8f0230f89b1e9dcc98e5b1213b4144cde51cd3144c950b1fd3ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42366452db3b8f0230f89b1e9dcc98e5b1213b4144cde51cd3144c950b1fd3ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42366452db3b8f0230f89b1e9dcc98e5b1213b4144cde51cd3144c950b1fd3ca", kill_on_drop: false }`
[INFO] [stdout] 42366452db3b8f0230f89b1e9dcc98e5b1213b4144cde51cd3144c950b1fd3ca
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "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] c9a156dd84c3968f763e4e2094554e9397920c77c80d51d2376a46a647ae319a
[INFO] running `Command { std: "docker" "start" "-a" "c9a156dd84c3968f763e4e2094554e9397920c77c80d51d2376a46a647ae319a", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling cc v1.0.35
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking futures v0.1.26
[INFO] [stderr]    Compiling syn v0.15.30
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking rustc-demangle v0.1.13
[INFO] [stderr]    Compiling siphasher v0.2.3
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[INFO] [stderr]     Checking itoa v0.4.3
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[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]     Checking version_check v0.1.5
[INFO] [stderr]    Compiling httparse v1.3.3
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[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling v_escape v0.7.2
[INFO] [stderr]    Compiling unicase v2.3.0
[INFO] [stderr]     Checking tokio-trace-core v0.1.0
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[INFO] [stderr]    Compiling actix-web v0.7.19
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[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking regex-syntax v0.6.6
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]     Checking rand_xorshift v0.1.1
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[INFO] [stderr]     Checking rand_isaac v0.1.1
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[INFO] [stderr]     Checking signal-hook v0.1.8
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]    Compiling rustc_version v0.2.3
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[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking resolv-conf v0.6.2
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[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking aho-corasick v0.7.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]     Checking tokio-timer v0.2.10
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
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[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.17
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking flate2 v1.0.7
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking regex v1.1.5
[INFO] [stderr]     Checking tokio-threadpool v0.1.13
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking cookie v0.11.0
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-signal v0.2.7
[INFO] [stderr]     Checking h2 v0.1.18
[INFO] [stderr]     Checking tokio v0.1.18
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling v_escape_derive v0.5.3
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]    Compiling actix_derive v0.3.2
[INFO] [stderr]    Compiling v_htmlescape v0.4.3
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking trust-dns-proto v0.6.3
[INFO] [stderr]     Checking trust-dns-proto v0.5.0
[INFO] [stderr]     Checking trust-dns-resolver v0.10.3
[INFO] [stderr]     Checking actix v0.7.9
[INFO] [stderr]     Checking serde v1.0.90
[INFO] [stderr]     Checking actix-net v0.2.6
[INFO] [stderr]     Checking serde_urlencoded v0.5.4
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking blog2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0601]: `main` function not found in crate `serde`
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider adding a `main` function to `examples/serde.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `blog2`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused import: `http`
[INFO] [stdout]  --> src/main.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use actix_web::{http, middleware, server, App};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `http`
[INFO] [stdout]  --> src/main.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use actix_web::{http, middleware, server, App};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Room`
[INFO] [stdout]  --> examples/ws.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Room {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `WsProtocolErr`
[INFO] [stdout]   --> examples/ws.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     WsProtocolErr(#[fail(cause)] ws::ProtocolError),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `inner`
[INFO] [stdout]   --> examples/ws.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     inner: std::collections::HashMap::<String,Vec<i32>>,   
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/main.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |     let b: MyMap = serde_json::from_str(&s)?;
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `config`
[INFO] [stdout]  --> src/routes.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn config(app : App) -> App {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `index`
[INFO] [stdout]   --> src/routes.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn index(_r:& HttpRequest)->impl Responder{
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `blog`
[INFO] [stdout]   --> src/routes.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn blog(_r:& HttpRequest)->impl Responder{
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main2`
[INFO] [stdout]  --> src/main.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn main2() {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/main.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |     let b: MyMap = serde_json::from_str(&s)?;
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `config`
[INFO] [stdout]  --> src/routes.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn config(app : App) -> App {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `index`
[INFO] [stdout]   --> src/routes.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn index(_r:& HttpRequest)->impl Responder{
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `blog`
[INFO] [stdout]   --> src/routes.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn blog(_r:& HttpRequest)->impl Responder{
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main2`
[INFO] [stdout]  --> src/main.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn main2() {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c9a156dd84c3968f763e4e2094554e9397920c77c80d51d2376a46a647ae319a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9a156dd84c3968f763e4e2094554e9397920c77c80d51d2376a46a647ae319a", kill_on_drop: false }`
[INFO] [stdout] c9a156dd84c3968f763e4e2094554e9397920c77c80d51d2376a46a647ae319a
