[INFO] fetching crate rogue 0.0.2...
[INFO] testing rogue-0.0.2 against 1.54.0 for beta-1.55-1
[INFO] extracting crate rogue 0.0.2 into /workspace/builds/worker-32/source
[INFO] validating manifest of crates.io crate rogue 0.0.2 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rogue 0.0.2
[INFO] finished tweaking crates.io crate rogue 0.0.2
[INFO] tweaked toml for crates.io crate rogue 0.0.2 written to /workspace/builds/worker-32/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c4b81606e6b6768f9108c1483176a1cb44f84f798055f83be3c48872b718638
[INFO] running `Command { std: "docker" "start" "-a" "0c4b81606e6b6768f9108c1483176a1cb44f84f798055f83be3c48872b718638", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c4b81606e6b6768f9108c1483176a1cb44f84f798055f83be3c48872b718638", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c4b81606e6b6768f9108c1483176a1cb44f84f798055f83be3c48872b718638", kill_on_drop: false }`
[INFO] [stdout] 0c4b81606e6b6768f9108c1483176a1cb44f84f798055f83be3c48872b718638
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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=warn" "-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" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c45669e3af82ab33b3734b1c768391bcdf302a600e490aba5bc895e570cbc6d7
[INFO] running `Command { std: "docker" "start" "-a" "c45669e3af82ab33b3734b1c768391bcdf302a600e490aba5bc895e570cbc6d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling rogue v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: invalid suffix `u` for number literal
[INFO] [stdout]   --> src/dice.rs:40:26
[INFO] [stdout]    |
[INFO] [stdout] 40 |         for num in range(1u, 4) {
[INFO] [stdout]    |                          ^^ invalid suffix `u`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `u` for number literal
[INFO] [stdout]   --> src/dice.rs:41:32
[INFO] [stdout]    |
[INFO] [stdout] 41 |             for sides in range(1u, 20) {
[INFO] [stdout]    |                                ^^ invalid suffix `u`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::rand`
[INFO] [stdout]  --> src/dice.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::rand;
[INFO] [stdout]   |     ^^^^^^^^^ no `rand` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::rand`
[INFO] [stdout]  --> src/dice.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::rand::Rng;
[INFO] [stdout]   |          ^^^^ could not find `rand` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `uint` in this scope
[INFO] [stdout]  --> src/dice.rs:5:21
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Dice(pub uint, pub uint);
[INFO] [stdout]   |                     ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `uint` in this scope
[INFO] [stdout]  --> src/dice.rs:5:31
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Dice(pub uint, pub uint);
[INFO] [stdout]   |                               ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `uint` in this scope
[INFO] [stdout]   --> src/dice.rs:12:27
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn roll(&self) -> uint {
[INFO] [stdout]    |                           ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(macro_rules, slicing_syntax)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `macro_rules` has been stable since 1.0.0 and no longer requires an attribute to enable
[INFO] [stdout]   = help: the feature `slicing_syntax` has been stable since 1.0.0 and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0432, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rogue`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "c45669e3af82ab33b3734b1c768391bcdf302a600e490aba5bc895e570cbc6d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c45669e3af82ab33b3734b1c768391bcdf302a600e490aba5bc895e570cbc6d7", kill_on_drop: false }`
[INFO] [stdout] c45669e3af82ab33b3734b1c768391bcdf302a600e490aba5bc895e570cbc6d7
