[INFO] cloning repository https://github.com/boiding/workshop-server [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/boiding/workshop-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboiding%2Fworkshop-server", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboiding%2Fworkshop-server'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c4f08235aecd9bff9b89923993a8008f0a707a73 [INFO] checking boiding/workshop-server against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboiding%2Fworkshop-server" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/boiding/workshop-server on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/boiding/workshop-server [INFO] finished tweaking git repo https://github.com/boiding/workshop-server [INFO] tweaked toml for git repo https://github.com/boiding/workshop-server written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/boiding/workshop-server 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tokio-executor v0.1.8 [INFO] [stderr] Downloaded ws v0.9.1 [INFO] [stderr] Downloaded logger v0.4.0 [INFO] [stderr] Downloaded relay v0.1.1 [INFO] [stderr] Downloaded smallvec v0.2.1 [INFO] [stderr] Downloaded route-recognizer v0.1.13 [INFO] [stderr] Downloaded tokio-proto v0.1.1 [INFO] [stderr] Downloaded mime v0.3.14 [INFO] [stderr] Downloaded hyper v0.11.27 [INFO] [stderr] Downloaded random v0.12.2 [INFO] [stderr] Downloaded sequence_trie v0.3.6 [INFO] [stderr] Downloaded futures v0.1.29 [INFO] [stderr] Downloaded simplelog v0.7.4 [INFO] [stderr] Downloaded staticfile v0.5.0 [INFO] [stderr] Downloaded take v0.1.0 [INFO] [stderr] Downloaded unicase v2.5.1 [INFO] [stderr] Downloaded try-lock v0.1.0 [INFO] [stderr] Downloaded want v0.0.4 [INFO] [stderr] Downloaded router v0.6.0 [INFO] [stderr] Downloaded mount v0.4.0 [INFO] [stderr] Downloaded tokio-threadpool v0.1.16 [INFO] [stderr] Downloaded tokio-udp v0.1.5 [INFO] [stderr] Downloaded tokio-sync v0.1.7 [INFO] [stderr] Downloaded tokio-reactor v0.1.10 [INFO] [stderr] Downloaded tokio-core v0.1.17 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1e47624cb1961e890faf904a3c15dcf40e54983043aee2bc5fb681b217ad78fd [INFO] running `Command { std: "docker" "start" "-a" "1e47624cb1961e890faf904a3c15dcf40e54983043aee2bc5fb681b217ad78fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1e47624cb1961e890faf904a3c15dcf40e54983043aee2bc5fb681b217ad78fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1e47624cb1961e890faf904a3c15dcf40e54983043aee2bc5fb681b217ad78fd", kill_on_drop: false }` [INFO] [stdout] 1e47624cb1961e890faf904a3c15dcf40e54983043aee2bc5fb681b217ad78fd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5d96ce5ee0ac49a5defbf0b4d6c20e4b94f00ffb152ee40028a14cfa530389f7 [INFO] running `Command { std: "docker" "start" "-a" "5d96ce5ee0ac49a5defbf0b4d6c20e4b94f00ffb152ee40028a14cfa530389f7", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking smallvec v0.6.10 [INFO] [stderr] Checking futures v0.1.29 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking traitobject v0.1.0 [INFO] [stderr] Checking lock_api v0.3.1 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking nodrop v0.1.14 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking safemem v0.3.3 [INFO] [stderr] Checking unsafe-any v0.4.2 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Checking unicode-normalization v0.1.8 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking language-tags v0.2.2 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling typenum v1.11.2 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking mime v0.2.6 [INFO] [stderr] Checking typemap v0.3.3 [INFO] [stderr] Compiling getrandom v0.1.12 [INFO] [stderr] Checking base64 v0.9.3 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Checking typeable v0.1.2 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Checking plugin v0.2.6 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Checking modifier v0.1.0 [INFO] [stderr] Checking num_cpus v1.10.1 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.38 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling memoffset v0.5.1 [INFO] [stderr] Checking phf v0.7.24 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking block-padding v0.1.4 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking dirs-sys v0.3.4 [INFO] [stderr] Compiling unicase v2.5.1 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Checking crossbeam-epoch v0.7.2 [INFO] [stderr] Checking scoped-tls v0.1.2 [INFO] [stderr] Compiling serde v1.0.101 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking sequence_trie v0.3.6 [INFO] [stderr] Checking smallvec v0.2.1 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Checking c2-chacha v0.2.3 [INFO] [stderr] Checking slab v0.3.0 [INFO] [stderr] Checking try-lock v0.1.0 [INFO] [stderr] Checking take v0.1.0 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking lazycell v1.2.1 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Checking opaque-debug v0.2.3 [INFO] [stderr] Checking mio-extras v2.0.5 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking term v0.6.1 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking mime v0.3.14 [INFO] [stderr] Checking route-recognizer v0.1.13 [INFO] [stderr] Checking rand v0.7.2 [INFO] [stderr] Checking dotenv v0.15.0 [INFO] [stderr] Checking generic-array v0.12.3 [INFO] [stderr] Checking random v0.12.2 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling phf_codegen v0.7.24 [INFO] [stderr] Checking tokio-executor v0.1.8 [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Checking tokio-sync v0.1.7 [INFO] [stderr] Checking tokio-service v0.1.0 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking chrono v0.4.9 [INFO] [stderr] Checking want v0.0.4 [INFO] [stderr] Checking relay v0.1.1 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Compiling mime_guess v1.8.7 [INFO] [stderr] Checking tokio-threadpool v0.1.16 [INFO] [stderr] Checking tokio-current-thread v0.1.6 [INFO] [stderr] Checking tokio-timer v0.2.11 [INFO] [stderr] Checking url v2.1.0 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking sha-1 v0.8.1 [INFO] [stderr] Checking hyper v0.10.16 [INFO] [stderr] Checking ws v0.9.1 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking tokio-reactor v0.1.10 [INFO] [stderr] Checking tokio-fs v0.1.6 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking tokio-uds v0.2.5 [INFO] [stderr] Checking tokio-udp v0.1.5 [INFO] [stderr] Checking simplelog v0.7.4 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking tokio-core v0.1.17 [INFO] [stderr] Checking tokio-proto v0.1.1 [INFO] [stderr] Checking hyper v0.11.27 [INFO] [stderr] Checking iron v0.6.1 [INFO] [stderr] Checking mount v0.4.0 [INFO] [stderr] Checking logger v0.4.0 [INFO] [stderr] Checking router v0.6.0 [INFO] [stderr] Checking staticfile v0.5.0 [INFO] [stderr] Compiling serde_derive v1.0.101 [INFO] [stderr] Checking serde_json v1.0.41 [INFO] [stderr] Checking bws v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/server/register.rs:8:18 [INFO] [stdout] | [INFO] [stdout] 8 | use serde_json::{self, Error}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:13:1 [INFO] [stdout] | [INFO] [stdout] 13 | extern crate serde_json; [INFO] [stdout] | ------------------------ the item `serde_json` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Into` is imported redundantly [INFO] [stdout] --> src/simulation/mod.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | convert::Into, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Into` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `hyper` is imported redundantly [INFO] [stdout] --> src/simulation/mod.rs:11:13 [INFO] [stdout] | [INFO] [stdout] 11 | use hyper::{self, Uri}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate hyper; [INFO] [stdout] | ------------------- the item `hyper` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `random` is imported redundantly [INFO] [stdout] --> src/simulation/mod.rs:12:14 [INFO] [stdout] | [INFO] [stdout] 12 | use random::{self, Source, Value}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:8:1 [INFO] [stdout] | [INFO] [stdout] 8 | extern crate random; [INFO] [stdout] | -------------------- the item `random` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/simulation/mod.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:13:1 [INFO] [stdout] | [INFO] [stdout] 13 | extern crate serde_json; [INFO] [stdout] | ------------------------ the item `serde_json` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/websocket/mod.rs:8:18 [INFO] [stdout] | [INFO] [stdout] 8 | use serde_json::{self}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:13:1 [INFO] [stdout] | [INFO] [stdout] 13 | extern crate serde_json; [INFO] [stdout] | ------------------------ the item `serde_json` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ws` is imported redundantly [INFO] [stdout] --> src/websocket/mod.rs:9:10 [INFO] [stdout] | [INFO] [stdout] 9 | use ws::{self, Message, WebSocket}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:16:1 [INFO] [stdout] | [INFO] [stdout] 16 | extern crate ws; [INFO] [stdout] | ---------------- the item `ws` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/server/register.rs:8:18 [INFO] [stdout] | [INFO] [stdout] 8 | use serde_json::{self, Error}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:13:1 [INFO] [stdout] | [INFO] [stdout] 13 | extern crate serde_json; [INFO] [stdout] | ------------------------ the item `serde_json` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Into` is imported redundantly [INFO] [stdout] --> src/simulation/mod.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | convert::Into, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Into` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `hyper` is imported redundantly [INFO] [stdout] --> src/simulation/mod.rs:11:13 [INFO] [stdout] | [INFO] [stdout] 11 | use hyper::{self, Uri}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate hyper; [INFO] [stdout] | ------------------- the item `hyper` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `random` is imported redundantly [INFO] [stdout] --> src/simulation/mod.rs:12:14 [INFO] [stdout] | [INFO] [stdout] 12 | use random::{self, Source, Value}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:8:1 [INFO] [stdout] | [INFO] [stdout] 8 | extern crate random; [INFO] [stdout] | -------------------- the item `random` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/simulation/mod.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:13:1 [INFO] [stdout] | [INFO] [stdout] 13 | extern crate serde_json; [INFO] [stdout] | ------------------------ the item `serde_json` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/websocket/mod.rs:8:18 [INFO] [stdout] | [INFO] [stdout] 8 | use serde_json::{self}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:13:1 [INFO] [stdout] | [INFO] [stdout] 13 | extern crate serde_json; [INFO] [stdout] | ------------------------ the item `serde_json` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ws` is imported redundantly [INFO] [stdout] --> src/websocket/mod.rs:9:10 [INFO] [stdout] | [INFO] [stdout] 9 | use ws::{self, Message, WebSocket}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:16:1 [INFO] [stdout] | [INFO] [stdout] 16 | extern crate ws; [INFO] [stdout] | ---------------- the item `ws` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.24s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: traitobject v0.1.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "5d96ce5ee0ac49a5defbf0b4d6c20e4b94f00ffb152ee40028a14cfa530389f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d96ce5ee0ac49a5defbf0b4d6c20e4b94f00ffb152ee40028a14cfa530389f7", kill_on_drop: false }` [INFO] [stdout] 5d96ce5ee0ac49a5defbf0b4d6c20e4b94f00ffb152ee40028a14cfa530389f7 [INFO] checking boiding/workshop-server against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboiding%2Fworkshop-server" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/boiding/workshop-server on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/boiding/workshop-server [INFO] finished tweaking git repo https://github.com/boiding/workshop-server [INFO] tweaked toml for git repo https://github.com/boiding/workshop-server written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/boiding/workshop-server 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5bb2de814854b3c43f4df3c0c2b727d82f7547d5f336b646da5e9c546927ebd1 [INFO] running `Command { std: "docker" "start" "-a" "5bb2de814854b3c43f4df3c0c2b727d82f7547d5f336b646da5e9c546927ebd1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5bb2de814854b3c43f4df3c0c2b727d82f7547d5f336b646da5e9c546927ebd1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5bb2de814854b3c43f4df3c0c2b727d82f7547d5f336b646da5e9c546927ebd1", kill_on_drop: false }` [INFO] [stdout] 5bb2de814854b3c43f4df3c0c2b727d82f7547d5f336b646da5e9c546927ebd1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e05c9f7e3bd8c22fadc790cd1e008ce6f2010ce0b798f9205813f6fd58c0069e [INFO] running `Command { std: "docker" "start" "-a" "e05c9f7e3bd8c22fadc790cd1e008ce6f2010ce0b798f9205813f6fd58c0069e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking smallvec v0.6.10 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking futures v0.1.29 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Checking lock_api v0.3.1 [INFO] [stderr] Checking unicode-normalization v0.1.8 [INFO] [stderr] Checking nodrop v0.1.14 [INFO] [stderr] Checking traitobject v0.1.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking safemem v0.3.3 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking unsafe-any v0.4.2 [INFO] [stderr] Compiling typenum v1.11.2 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking language-tags v0.2.2 [INFO] [stderr] Checking typemap v0.3.3 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling memoffset v0.5.1 [INFO] [stderr] Checking mime v0.2.6 [INFO] [stderr] Checking num_cpus v1.10.1 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.38 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking base64 v0.9.3 [INFO] [stderr] Checking typeable v0.1.2 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Compiling getrandom v0.1.12 [INFO] [stderr] Checking plugin v0.2.6 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Checking crossbeam-epoch v0.7.2 [INFO] [stderr] Checking phf v0.7.24 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Checking modifier v0.1.0 [INFO] [stderr] Checking tokio-executor v0.1.8 [INFO] [stderr] Checking tokio-sync v0.1.7 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Checking block-padding v0.1.4 [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Checking c2-chacha v0.2.3 [INFO] [stderr] Checking dirs-sys v0.3.4 [INFO] [stderr] Checking tokio-timer v0.2.11 [INFO] [stderr] Checking tokio-current-thread v0.1.6 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Compiling unicase v2.5.1 [INFO] [stderr] Compiling serde v1.0.101 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Checking scoped-tls v0.1.2 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking tokio-threadpool v0.1.16 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking tokio-service v0.1.0 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Checking lazycell v1.2.1 [INFO] [stderr] Checking tokio-reactor v0.1.10 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Checking opaque-debug v0.2.3 [INFO] [stderr] Checking take v0.1.0 [INFO] [stderr] Checking smallvec v0.2.1 [INFO] [stderr] Checking try-lock v0.1.0 [INFO] [stderr] Checking slab v0.3.0 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Checking sequence_trie v0.3.6 [INFO] [stderr] Checking want v0.0.4 [INFO] [stderr] Checking mio-extras v2.0.5 [INFO] [stderr] Checking rand v0.7.2 [INFO] [stderr] Checking generic-array v0.12.3 [INFO] [stderr] Checking tokio-udp v0.1.5 [INFO] [stderr] Checking tokio-uds v0.2.5 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking term v0.6.1 [INFO] [stderr] Checking relay v0.1.1 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking route-recognizer v0.1.13 [INFO] [stderr] Checking url v2.1.0 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking mime v0.3.14 [INFO] [stderr] Checking dotenv v0.15.0 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking random v0.12.2 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling phf_codegen v0.7.24 [INFO] [stderr] Checking sha-1 v0.8.1 [INFO] [stderr] Compiling mime_guess v1.8.7 [INFO] [stderr] Checking tokio-fs v0.1.6 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking chrono v0.4.9 [INFO] [stderr] Checking hyper v0.10.16 [INFO] [stderr] Checking tokio-core v0.1.17 [INFO] [stderr] Checking ws v0.9.1 [INFO] [stderr] Checking tokio-proto v0.1.1 [INFO] [stderr] Checking simplelog v0.7.4 [INFO] [stderr] Checking hyper v0.11.27 [INFO] [stderr] Checking iron v0.6.1 [INFO] [stderr] Checking mount v0.4.0 [INFO] [stderr] Checking router v0.6.0 [INFO] [stderr] Checking logger v0.4.0 [INFO] [stderr] Checking staticfile v0.5.0 [INFO] [stderr] Checking serde_json v1.0.41 [INFO] [stderr] Compiling serde_derive v1.0.101 [INFO] [stderr] Checking bws v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/server/register.rs:8:18 [INFO] [stdout] | [INFO] [stdout] 8 | use serde_json::{self, Error}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:13:1 [INFO] [stdout] | [INFO] [stdout] 13 | extern crate serde_json; [INFO] [stdout] | ------------------------ the item `serde_json` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Into` is imported redundantly [INFO] [stdout] --> src/simulation/mod.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | convert::Into, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Into` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `hyper` is imported redundantly [INFO] [stdout] --> src/simulation/mod.rs:11:13 [INFO] [stdout] | [INFO] [stdout] 11 | use hyper::{self, Uri}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate hyper; [INFO] [stdout] | ------------------- the item `hyper` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `random` is imported redundantly [INFO] [stdout] --> src/simulation/mod.rs:12:14 [INFO] [stdout] | [INFO] [stdout] 12 | use random::{self, Source, Value}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:8:1 [INFO] [stdout] | [INFO] [stdout] 8 | extern crate random; [INFO] [stdout] | -------------------- the item `random` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/simulation/mod.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:13:1 [INFO] [stdout] | [INFO] [stdout] 13 | extern crate serde_json; [INFO] [stdout] | ------------------------ the item `serde_json` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/websocket/mod.rs:8:18 [INFO] [stdout] | [INFO] [stdout] 8 | use serde_json::{self}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:13:1 [INFO] [stdout] | [INFO] [stdout] 13 | extern crate serde_json; [INFO] [stdout] | ------------------------ the item `serde_json` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ws` is imported redundantly [INFO] [stdout] --> src/websocket/mod.rs:9:10 [INFO] [stdout] | [INFO] [stdout] 9 | use ws::{self, Message, WebSocket}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:16:1 [INFO] [stdout] | [INFO] [stdout] 16 | extern crate ws; [INFO] [stdout] | ---------------- the item `ws` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/server/register.rs:8:18 [INFO] [stdout] | [INFO] [stdout] 8 | use serde_json::{self, Error}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:13:1 [INFO] [stdout] | [INFO] [stdout] 13 | extern crate serde_json; [INFO] [stdout] | ------------------------ the item `serde_json` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Into` is imported redundantly [INFO] [stdout] --> src/simulation/mod.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | convert::Into, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Into` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `hyper` is imported redundantly [INFO] [stdout] --> src/simulation/mod.rs:11:13 [INFO] [stdout] | [INFO] [stdout] 11 | use hyper::{self, Uri}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate hyper; [INFO] [stdout] | ------------------- the item `hyper` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `random` is imported redundantly [INFO] [stdout] --> src/simulation/mod.rs:12:14 [INFO] [stdout] | [INFO] [stdout] 12 | use random::{self, Source, Value}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:8:1 [INFO] [stdout] | [INFO] [stdout] 8 | extern crate random; [INFO] [stdout] | -------------------- the item `random` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/simulation/mod.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:13:1 [INFO] [stdout] | [INFO] [stdout] 13 | extern crate serde_json; [INFO] [stdout] | ------------------------ the item `serde_json` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/websocket/mod.rs:8:18 [INFO] [stdout] | [INFO] [stdout] 8 | use serde_json::{self}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:13:1 [INFO] [stdout] | [INFO] [stdout] 13 | extern crate serde_json; [INFO] [stdout] | ------------------------ the item `serde_json` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ws` is imported redundantly [INFO] [stdout] --> src/websocket/mod.rs:9:10 [INFO] [stdout] | [INFO] [stdout] 9 | use ws::{self, Message, WebSocket}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:16:1 [INFO] [stdout] | [INFO] [stdout] 16 | extern crate ws; [INFO] [stdout] | ---------------- the item `ws` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.96s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: traitobject v0.1.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "e05c9f7e3bd8c22fadc790cd1e008ce6f2010ce0b798f9205813f6fd58c0069e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e05c9f7e3bd8c22fadc790cd1e008ce6f2010ce0b798f9205813f6fd58c0069e", kill_on_drop: false }` [INFO] [stdout] e05c9f7e3bd8c22fadc790cd1e008ce6f2010ce0b798f9205813f6fd58c0069e