[INFO] cloning repository https://github.com/rioadvancement/nalperion_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rioadvancement/nalperion_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frioadvancement%2Fnalperion_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frioadvancement%2Fnalperion_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fb1aef411091aad7efee77da84cb778f9cfd27d1
[INFO] checking rioadvancement/nalperion_rust against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frioadvancement%2Fnalperion_rust" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rioadvancement/nalperion_rust 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/rioadvancement/nalperion_rust
[INFO] finished tweaking git repo https://github.com/rioadvancement/nalperion_rust
[INFO] tweaked toml for git repo https://github.com/rioadvancement/nalperion_rust written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/rioadvancement/nalperion_rust 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 git repository `https://github.com/withoutboats/failure.git`
[INFO] [stderr]     Updating git repository `https://github.com/withoutboats/display_derive`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-traits v0.2.1
[INFO] [stderr]   Downloaded itoa v0.3.4
[INFO] [stderr]   Downloaded serde_derive_internals v0.20.1
[INFO] [stderr]   Downloaded lazy_static v1.0.0
[INFO] [stderr]   Downloaded quick-error v1.2.1
[INFO] [stderr]   Downloaded pest_derive v1.0.6
[INFO] [stderr]   Downloaded serde_derive v1.0.32
[INFO] [stderr]   Downloaded pest v1.0.6
[INFO] [stderr]   Downloaded handlebars v0.32.0
[INFO] [stderr]   Downloaded regex-syntax v0.5.3
[INFO] [stderr]   Downloaded regex v0.2.9
[INFO] [stderr]   Downloaded libc v0.2.39
[INFO] [stderr]   Downloaded cc v1.0.7
[INFO] [stderr]   Downloaded syn v0.12.14
[INFO] [stderr]   Downloaded serde v1.0.32
[INFO] [stderr]   Downloaded serde_json v1.0.11
[INFO] [stderr]   Downloaded aho-corasick v0.6.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] e599188957a62863308a729f028e00ff3ecf90959f26a333c29cab62f652c61a
[INFO] running `Command { std: "docker" "start" "-a" "e599188957a62863308a729f028e00ff3ecf90959f26a333c29cab62f652c61a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e599188957a62863308a729f028e00ff3ecf90959f26a333c29cab62f652c61a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e599188957a62863308a729f028e00ff3ecf90959f26a333c29cab62f652c61a", kill_on_drop: false }`
[INFO] [stdout] e599188957a62863308a729f028e00ff3ecf90959f26a333c29cab62f652c61a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] a4c0ee636805055c1a4ad7c0fd888f0fac4e861b9c7b65768db6670f1cc737c0
[INFO] running `Command { std: "docker" "start" "-a" "a4c0ee636805055c1a4ad7c0fd888f0fac4e861b9c7b65768db6670f1cc737c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking libc v0.2.39
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling cc v1.0.7
[INFO] [stderr]    Compiling regex v0.2.9
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking regex-syntax v0.5.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling pest v1.0.6
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking serde v1.0.32
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]    Compiling syn v0.12.14
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking num-traits v0.2.1
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking quick-error v1.2.1
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling pest_derive v1.0.6
[INFO] [stderr]    Compiling display_derive v1.0.0 (https://github.com/withoutboats/display_derive#5d6bac2f)
[INFO] [stderr]    Compiling failure_derive v1.0.0 (https://github.com/withoutboats/failure.git#514aa258)
[INFO] [stderr]     Checking failure v1.0.0 (https://github.com/withoutboats/failure.git#514aa258)
[INFO] [stderr]    Compiling serde_derive_internals v0.20.1
[INFO] [stderr]    Compiling serde_derive v1.0.32
[INFO] [stderr]     Checking serde_json v1.0.11
[INFO] [stderr]     Checking handlebars v0.32.0
[INFO] [stderr]     Checking rioos_entitlement v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]  --> src/nalperion.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rand::{self, Rng};
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/main.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | extern crate rand;
[INFO] [stdout]   | ------------------ the item `rand` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `lib_load` is imported redundantly
[INFO] [stdout]   --> src/nalperion.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use lib_load;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/main.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout] 4  | extern crate libloading as lib_load;
[INFO] [stdout]    | ------------------------------------ the item `lib_load` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]  --> src/nalperion.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rand::{self, Rng};
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/main.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | extern crate rand;
[INFO] [stdout]   | ------------------ the item `rand` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `lib_load` is imported redundantly
[INFO] [stdout]   --> src/nalperion.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use lib_load;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/main.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout] 4  | extern crate libloading as lib_load;
[INFO] [stdout]    | ------------------------------------ the item `lib_load` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.78s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.12.14
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5`
[INFO] running `Command { std: "docker" "inspect" "a4c0ee636805055c1a4ad7c0fd888f0fac4e861b9c7b65768db6670f1cc737c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4c0ee636805055c1a4ad7c0fd888f0fac4e861b9c7b65768db6670f1cc737c0", kill_on_drop: false }`
[INFO] [stdout] a4c0ee636805055c1a4ad7c0fd888f0fac4e861b9c7b65768db6670f1cc737c0