[INFO] fetching crate dyon 0.42.0...
[INFO] extracting crate dyon 0.42.0 into work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/dyon/0.42.0
[INFO] extracting crate dyon 0.42.0 into work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/reg/dyon/0.42.0
[INFO] validating manifest of dyon-0.42.0 on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of dyon-0.42.0 on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing dyon-0.42.0
[INFO] finished frobbing dyon-0.42.0
[INFO] frobbed toml for dyon-0.42.0 written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/dyon/0.42.0/Cargo.toml
[INFO] started frobbing dyon-0.42.0
[INFO] finished frobbing dyon-0.42.0
[INFO] frobbed toml for dyon-0.42.0 written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/reg/dyon/0.42.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking dyon-0.42.0 against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-3/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/dyon/0.42.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] bbfb2edb1352d6ee2119d8f47dfbabcfc8ef9df4fad80c587de73e6ecad40c48
[INFO] running `"docker" "start" "-a" "bbfb2edb1352d6ee2119d8f47dfbabcfc8ef9df4fad80c587de73e6ecad40c48"`
[INFO] [stderr]     Checking range v0.3.1
[INFO] [stderr]     Checking read_token v0.9.0
[INFO] [stderr]     Checking piston_meta v0.30.0
[INFO] [stderr]     Checking dyon v0.42.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `read_color` is imported redundantly
[INFO] [stderr]     --> src/ast/mod.rs:1138:21
[INFO] [stderr]      |
[INFO] [stderr] 1138 |                 use read_color;
[INFO] [stderr]      |                     ^^^^^^^^^^
[INFO] [stderr]      | 
[INFO] [stderr]     ::: src/lib.rs:15:1
[INFO] [stderr]      |
[INFO] [stderr] 15   | extern crate read_color;
[INFO] [stderr]      | ------------------------ the item `read_color` is already imported here
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Read` is imported redundantly
[INFO] [stderr]   --> src/dyon_std/meta.rs:85:9
[INFO] [stderr]    |
[INFO] [stderr] 2  | use std::io::{self, Read};
[INFO] [stderr]    |                     ---- the item `Read` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 85 |     use std::io::Read;
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `File` is imported redundantly
[INFO] [stderr]    --> src/dyon_std/meta.rs:133:9
[INFO] [stderr]     |
[INFO] [stderr] 3   | use std::fs::File;
[INFO] [stderr]     |     ------------- the item `File` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 133 |     use std::fs::File;
[INFO] [stderr]     |         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Arc` is imported redundantly
[INFO] [stderr]    --> src/dyon_std/data.rs:221:9
[INFO] [stderr]     |
[INFO] [stderr] 4   | use std::sync::Arc;
[INFO] [stderr]     |     -------------- the item `Arc` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 221 |     use std::sync::Arc;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `load_str` is imported redundantly
[INFO] [stderr]    --> src/dyon_std/mod.rs:968:9
[INFO] [stderr]     |
[INFO] [stderr] 3   | use *;
[INFO] [stderr]     |     - the item `load_str` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 968 |     use load_str;
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Thread` is imported redundantly
[INFO] [stderr]     --> src/dyon_std/mod.rs:1592:9
[INFO] [stderr]      |
[INFO] [stderr] 3    | use *;
[INFO] [stderr]      |     - the item `Thread` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 1592 |     use Thread;
[INFO] [stderr]      |         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Range` is imported redundantly
[INFO] [stderr]     --> src/dyon_std/mod.rs:1750:9
[INFO] [stderr]      |
[INFO] [stderr] 3    | use *;
[INFO] [stderr]      |     - the item `Range` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 1750 |     use range::Range;
[INFO] [stderr]      |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:62:33
[INFO] [stderr]    |
[INFO] [stderr] 62 | pub type RustObject = Arc<Mutex<Any>>;
[INFO] [stderr]    |                                 ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `read_color` is imported redundantly
[INFO] [stderr]     --> src/ast/mod.rs:1138:21
[INFO] [stderr]      |
[INFO] [stderr] 1138 |                 use read_color;
[INFO] [stderr]      |                     ^^^^^^^^^^
[INFO] [stderr]      | 
[INFO] [stderr]     ::: src/lib.rs:15:1
[INFO] [stderr]      |
[INFO] [stderr] 15   | extern crate read_color;
[INFO] [stderr]      | ------------------------ the item `read_color` is already imported here
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Read` is imported redundantly
[INFO] [stderr]   --> src/dyon_std/meta.rs:85:9
[INFO] [stderr]    |
[INFO] [stderr] 2  | use std::io::{self, Read};
[INFO] [stderr]    |                     ---- the item `Read` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 85 |     use std::io::Read;
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `File` is imported redundantly
[INFO] [stderr]    --> src/dyon_std/meta.rs:133:9
[INFO] [stderr]     |
[INFO] [stderr] 3   | use std::fs::File;
[INFO] [stderr]     |     ------------- the item `File` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 133 |     use std::fs::File;
[INFO] [stderr]     |         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Arc` is imported redundantly
[INFO] [stderr]    --> src/dyon_std/data.rs:221:9
[INFO] [stderr]     |
[INFO] [stderr] 4   | use std::sync::Arc;
[INFO] [stderr]     |     -------------- the item `Arc` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 221 |     use std::sync::Arc;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `load_str` is imported redundantly
[INFO] [stderr]    --> src/dyon_std/mod.rs:968:9
[INFO] [stderr]     |
[INFO] [stderr] 3   | use *;
[INFO] [stderr]     |     - the item `load_str` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 968 |     use load_str;
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Thread` is imported redundantly
[INFO] [stderr]     --> src/dyon_std/mod.rs:1592:9
[INFO] [stderr]      |
[INFO] [stderr] 3    | use *;
[INFO] [stderr]      |     - the item `Thread` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 1592 |     use Thread;
[INFO] [stderr]      |         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Range` is imported redundantly
[INFO] [stderr]     --> src/dyon_std/mod.rs:1750:9
[INFO] [stderr]      |
[INFO] [stderr] 3    | use *;
[INFO] [stderr]      |     - the item `Range` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 1750 |     use range::Range;
[INFO] [stderr]      |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:62:33
[INFO] [stderr]    |
[INFO] [stderr] 62 | pub type RustObject = Arc<Mutex<Any>>;
[INFO] [stderr]    |                                 ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Arc` is imported redundantly
[INFO] [stderr]   --> examples/functions.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 4  | use std::sync::Arc;
[INFO] [stderr]    |     -------------- the item `Arc` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 18 |     use std::sync::Arc;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.39s
[INFO] running `"docker" "inspect" "bbfb2edb1352d6ee2119d8f47dfbabcfc8ef9df4fad80c587de73e6ecad40c48"`
[INFO] running `"docker" "rm" "-f" "bbfb2edb1352d6ee2119d8f47dfbabcfc8ef9df4fad80c587de73e6ecad40c48"`
[INFO] [stdout] bbfb2edb1352d6ee2119d8f47dfbabcfc8ef9df4fad80c587de73e6ecad40c48