[INFO] fetching crate ansi_codes 0.2.1...
[INFO] checking ansi_codes-0.2.1 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate ansi_codes 0.2.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate ansi_codes 0.2.1 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ansi_codes 0.2.1
[INFO] finished tweaking crates.io crate ansi_codes 0.2.1
[INFO] tweaked toml for crates.io crate ansi_codes 0.2.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate ansi_codes 0.2.1 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" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3da5bd529ebedfbbd5d471694e8391b42f4f1ffde115bab8ef3865f9fe595c37
[INFO] running `Command { std: "docker" "start" "-a" "3da5bd529ebedfbbd5d471694e8391b42f4f1ffde115bab8ef3865f9fe595c37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3da5bd529ebedfbbd5d471694e8391b42f4f1ffde115bab8ef3865f9fe595c37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3da5bd529ebedfbbd5d471694e8391b42f4f1ffde115bab8ef3865f9fe595c37", kill_on_drop: false }`
[INFO] [stdout] 3da5bd529ebedfbbd5d471694e8391b42f4f1ffde115bab8ef3865f9fe595c37
[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" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06873aebf7548fb76cfa554d1f7d0c8c12c39d00c42c611d0f9f083da09d4671
[INFO] running `Command { std: "docker" "start" "-a" "06873aebf7548fb76cfa554d1f7d0c8c12c39d00c42c611d0f9f083da09d4671", kill_on_drop: false }`
[INFO] [stderr]     Checking ansi_codes v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]  --> src/core/colorful.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{convert::From,fmt::Debug};
[INFO] [stdout]   |           ^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `From` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Color::*`
[INFO] [stdout]  --> src/core/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use Color::*;
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]  --> src/core/colorful.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{convert::From,fmt::Debug};
[INFO] [stdout]   |           ^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `From` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Color::*`
[INFO] [stdout]  --> src/core/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use Color::*;
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ESCAPE` is never used
[INFO] [stdout]  --> src/core/colorful.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const ESCAPE:&str = "\x1b";
[INFO] [stdout]   |       ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RESET` is never used
[INFO] [stdout]  --> src/core/colorful.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const RESET:&str = "\x1b[0m";
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `UNDERLINE` is never used
[INFO] [stdout]  --> src/core/colorful.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | static UNDERLINE:&str = "\x1b[4m";
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ESCAPE` is never used
[INFO] [stdout]  --> src/core/colorful.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const ESCAPE:&str = "\x1b";
[INFO] [stdout]   |       ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RESET` is never used
[INFO] [stdout]  --> src/core/colorful.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const RESET:&str = "\x1b[0m";
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `UNDERLINE` is never used
[INFO] [stdout]  --> src/core/colorful.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | static UNDERLINE:&str = "\x1b[4m";
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `show_cursor`
[INFO] [stdout]  --> examples/test.rs:3:46
[INFO] [stdout]   |
[INFO] [stdout] 3 |     ansi::{hide_cursor, set_cursor_position, show_cursor},
[INFO] [stdout]   |                                              ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "06873aebf7548fb76cfa554d1f7d0c8c12c39d00c42c611d0f9f083da09d4671", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06873aebf7548fb76cfa554d1f7d0c8c12c39d00c42c611d0f9f083da09d4671", kill_on_drop: false }`
[INFO] [stdout] 06873aebf7548fb76cfa554d1f7d0c8c12c39d00c42c611d0f9f083da09d4671
[INFO] checking ansi_codes-0.2.1 against try#bfe97fcae016881ad333f0ff8cea2cadb9cf136c for pr-121848
[INFO] extracting crate ansi_codes 0.2.1 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate ansi_codes 0.2.1 on toolchain bfe97fcae016881ad333f0ff8cea2cadb9cf136c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ansi_codes 0.2.1
[INFO] finished tweaking crates.io crate ansi_codes 0.2.1
[INFO] tweaked toml for crates.io crate ansi_codes 0.2.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate ansi_codes 0.2.1 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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b2367ba9e03e9c195b9f00cf8232ad0c6f4d4fc22471258a983f8c427dafa4ab
[INFO] running `Command { std: "docker" "start" "-a" "b2367ba9e03e9c195b9f00cf8232ad0c6f4d4fc22471258a983f8c427dafa4ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2367ba9e03e9c195b9f00cf8232ad0c6f4d4fc22471258a983f8c427dafa4ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2367ba9e03e9c195b9f00cf8232ad0c6f4d4fc22471258a983f8c427dafa4ab", kill_on_drop: false }`
[INFO] [stdout] b2367ba9e03e9c195b9f00cf8232ad0c6f4d4fc22471258a983f8c427dafa4ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f1140b986379c810d78fc4ee4900abc47cc595ff29e47b7e3b939a7c53b08b6
[INFO] running `Command { std: "docker" "start" "-a" "9f1140b986379c810d78fc4ee4900abc47cc595ff29e47b7e3b939a7c53b08b6", kill_on_drop: false }`
[INFO] [stderr]     Checking ansi_codes v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]  --> src/core/colorful.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{convert::From,fmt::Debug};
[INFO] [stdout]   |           ^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `From` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Color::*`
[INFO] [stdout]  --> src/core/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use Color::*;
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]  --> src/core/colorful.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{convert::From,fmt::Debug};
[INFO] [stdout]   |           ^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `From` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Color::*`
[INFO] [stdout]  --> src/core/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use Color::*;
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ESCAPE` is never used
[INFO] [stdout]  --> src/core/colorful.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const ESCAPE:&str = "\x1b";
[INFO] [stdout]   |       ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ESCAPE` is never used
[INFO] [stdout]  --> src/core/colorful.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const ESCAPE:&str = "\x1b";
[INFO] [stdout]   |       ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RESET` is never used
[INFO] [stdout]  --> src/core/colorful.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const RESET:&str = "\x1b[0m";
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `UNDERLINE` is never used
[INFO] [stdout]  --> src/core/colorful.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | static UNDERLINE:&str = "\x1b[4m";
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RESET` is never used
[INFO] [stdout]  --> src/core/colorful.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const RESET:&str = "\x1b[0m";
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `UNDERLINE` is never used
[INFO] [stdout]  --> src/core/colorful.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | static UNDERLINE:&str = "\x1b[4m";
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `show_cursor`
[INFO] [stdout]  --> examples/test.rs:3:46
[INFO] [stdout]   |
[INFO] [stdout] 3 |     ansi::{hide_cursor, set_cursor_position, show_cursor},
[INFO] [stdout]   |                                              ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "9f1140b986379c810d78fc4ee4900abc47cc595ff29e47b7e3b939a7c53b08b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f1140b986379c810d78fc4ee4900abc47cc595ff29e47b7e3b939a7c53b08b6", kill_on_drop: false }`
[INFO] [stdout] 9f1140b986379c810d78fc4ee4900abc47cc595ff29e47b7e3b939a7c53b08b6
