[INFO] fetching crate ansi-colors 0.3.0...
[INFO] checking ansi-colors-0.3.0 against master#b3bd7058c139e71bae0862ef8f8ac936208873e9 for pr-123752
[INFO] extracting crate ansi-colors 0.3.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate ansi-colors 0.3.0 on toolchain b3bd7058c139e71bae0862ef8f8ac936208873e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ansi-colors 0.3.0
[INFO] finished tweaking crates.io crate ansi-colors 0.3.0
[INFO] tweaked toml for crates.io crate ansi-colors 0.3.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate ansi-colors 0.3.0 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" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 85e0a2b100302a00293cf645faae21f29d8ef758e6d79eed7627434af7908b48
[INFO] running `Command { std: "docker" "start" "-a" "85e0a2b100302a00293cf645faae21f29d8ef758e6d79eed7627434af7908b48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85e0a2b100302a00293cf645faae21f29d8ef758e6d79eed7627434af7908b48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85e0a2b100302a00293cf645faae21f29d8ef758e6d79eed7627434af7908b48", kill_on_drop: false }`
[INFO] [stdout] 85e0a2b100302a00293cf645faae21f29d8ef758e6d79eed7627434af7908b48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 546a193a1cfb283c74fb5b769911c61bffda40f39ab54a81002d22ceb77ec046
[INFO] running `Command { std: "docker" "start" "-a" "546a193a1cfb283c74fb5b769911c61bffda40f39ab54a81002d22ceb77ec046", kill_on_drop: false }`
[INFO] [stderr]     Checking ansi-colors v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `colorer` and `closer` are never read
[INFO] [stdout]   --> src/lib.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct ColouredStr<'a>{
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 40 |     colorer:String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 41 |     closer:String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ColouredStr` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `colorer` and `closer` are never read
[INFO] [stdout]   --> src/lib.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct ColouredStr<'a>{
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 40 |     colorer:String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 41 |     closer:String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ColouredStr` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "546a193a1cfb283c74fb5b769911c61bffda40f39ab54a81002d22ceb77ec046", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "546a193a1cfb283c74fb5b769911c61bffda40f39ab54a81002d22ceb77ec046", kill_on_drop: false }`
[INFO] [stdout] 546a193a1cfb283c74fb5b769911c61bffda40f39ab54a81002d22ceb77ec046
[INFO] checking ansi-colors-0.3.0 against try#57fe1b734d9ff1c8a92bda60b85506b9648158d3 for pr-123752
[INFO] extracting crate ansi-colors 0.3.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate ansi-colors 0.3.0 on toolchain 57fe1b734d9ff1c8a92bda60b85506b9648158d3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ansi-colors 0.3.0
[INFO] finished tweaking crates.io crate ansi-colors 0.3.0
[INFO] tweaked toml for crates.io crate ansi-colors 0.3.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate ansi-colors 0.3.0 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" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4dc671ff5c128454fa171b09980a2d4f6980f509326d7650fe85c05595d089a4
[INFO] running `Command { std: "docker" "start" "-a" "4dc671ff5c128454fa171b09980a2d4f6980f509326d7650fe85c05595d089a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4dc671ff5c128454fa171b09980a2d4f6980f509326d7650fe85c05595d089a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dc671ff5c128454fa171b09980a2d4f6980f509326d7650fe85c05595d089a4", kill_on_drop: false }`
[INFO] [stdout] 4dc671ff5c128454fa171b09980a2d4f6980f509326d7650fe85c05595d089a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27a6fd5603f7c6f3d9c5ea937989be06efa9cd2e18279c1fbe3b4e9e08bb4fc2
[INFO] running `Command { std: "docker" "start" "-a" "27a6fd5603f7c6f3d9c5ea937989be06efa9cd2e18279c1fbe3b4e9e08bb4fc2", kill_on_drop: false }`
[INFO] [stderr]     Checking ansi-colors v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `colorer` and `closer` are never read
[INFO] [stdout]   --> src/lib.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct ColouredStr<'a>{
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 40 |     colorer:String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 41 |     closer:String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ColouredStr` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `colorer` and `closer` are never read
[INFO] [stdout]   --> src/lib.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct ColouredStr<'a>{
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 40 |     colorer:String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 41 |     closer:String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ColouredStr` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "27a6fd5603f7c6f3d9c5ea937989be06efa9cd2e18279c1fbe3b4e9e08bb4fc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27a6fd5603f7c6f3d9c5ea937989be06efa9cd2e18279c1fbe3b4e9e08bb4fc2", kill_on_drop: false }`
[INFO] [stdout] 27a6fd5603f7c6f3d9c5ea937989be06efa9cd2e18279c1fbe3b4e9e08bb4fc2
