[INFO] crate dyon 0.41.0 is already in cache
[INFO] extracting crate dyon 0.41.0 into work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/dyon/0.41.0
[INFO] extracting crate dyon 0.41.0 into work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/reg/dyon/0.41.0
[INFO] validating manifest of dyon-0.41.0 on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of dyon-0.41.0 on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing dyon-0.41.0
[INFO] finished frobbing dyon-0.41.0
[INFO] frobbed toml for dyon-0.41.0 written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/dyon/0.41.0/Cargo.toml
[INFO] started frobbing dyon-0.41.0
[INFO] finished frobbing dyon-0.41.0
[INFO] frobbed toml for dyon-0.41.0 written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/reg/dyon/0.41.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking dyon-0.41.0 against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-4/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/dyon/0.41.0:/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" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 62b29031db5afbc8261115ad6ee455edd5aae73d7fd228c784a1aa31ed995c8e
[INFO] running `"docker" "start" "-a" "62b29031db5afbc8261115ad6ee455edd5aae73d7fd228c784a1aa31ed995c8e"`
[INFO] [stderr]     Checking range v0.3.1
[INFO] [stderr]     Checking reqwest v0.4.0
[INFO] [stderr]     Checking read_token v0.9.0
[INFO] [stderr]     Checking piston_meta v0.30.0
[INFO] [stderr]     Checking dyon v0.41.0 (/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: 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: 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 28.98s
[INFO] running `"docker" "inspect" "62b29031db5afbc8261115ad6ee455edd5aae73d7fd228c784a1aa31ed995c8e"`
[INFO] running `"docker" "rm" "-f" "62b29031db5afbc8261115ad6ee455edd5aae73d7fd228c784a1aa31ed995c8e"`
[INFO] [stdout] 62b29031db5afbc8261115ad6ee455edd5aae73d7fd228c784a1aa31ed995c8e