[INFO] cloning repository https://github.com/JimmyDeuce/Rustball
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JimmyDeuce/Rustball" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJimmyDeuce%2FRustball", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJimmyDeuce%2FRustball'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 65c9b5657bcab43efed2c6c7834ba62fc1ef9b93
[INFO] checking JimmyDeuce/Rustball against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJimmyDeuce%2FRustball" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JimmyDeuce/Rustball on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JimmyDeuce/Rustball
[INFO] finished tweaking git repo https://github.com/JimmyDeuce/Rustball
[INFO] tweaked toml for git repo https://github.com/JimmyDeuce/Rustball written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/JimmyDeuce/Rustball 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded uwl v0.6.0
[INFO] [stderr]   Downloaded command_attr v0.3.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 18d53bd3c5429ba2e23daf41eaf93a493343f21cdc8d250d515a23f5dd12c881
[INFO] running `Command { std: "docker" "start" "-a" "18d53bd3c5429ba2e23daf41eaf93a493343f21cdc8d250d515a23f5dd12c881", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18d53bd3c5429ba2e23daf41eaf93a493343f21cdc8d250d515a23f5dd12c881", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18d53bd3c5429ba2e23daf41eaf93a493343f21cdc8d250d515a23f5dd12c881", kill_on_drop: false }`
[INFO] [stdout] 18d53bd3c5429ba2e23daf41eaf93a493343f21cdc8d250d515a23f5dd12c881
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac701519c9f0e3ab2efa4e3ef3c457f0787bf40c8c7bb999d62626569ad77010
[INFO] running `Command { std: "docker" "start" "-a" "ac701519c9f0e3ab2efa4e3ef3c457f0787bf40c8c7bb999d62626569ad77010", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.90
[INFO] [stderr]     Checking ring v0.16.20
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking mio v0.8.9
[INFO] [stderr]     Checking futures-util v0.3.21
[INFO] [stderr]     Checking tracing-core v0.1.23
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking openssl-sys v0.9.72
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking tokio v1.34.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking openssl v0.10.38
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking webpki v0.22.0
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking rustls v0.20.4
[INFO] [stderr]     Checking webpki-roots v0.22.2
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]     Checking tungstenite v0.11.1
[INFO] [stderr]     Checking webpki-roots v0.20.0
[INFO] [stderr]     Checking ipnet v2.4.0
[INFO] [stderr]    Compiling serenity v0.10.10
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking uwl v0.6.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking tokio-rustls v0.23.3
[INFO] [stderr]     Checking tokio-rustls v0.22.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.20
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling command_attr v0.3.8
[INFO] [stderr]    Compiling async-trait v0.1.53
[INFO] [stderr]     Checking tracing v0.1.32
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]     Checking async-tungstenite v0.11.0
[INFO] [stderr]     Checking h2 v0.3.12
[INFO] [stderr]     Checking serde v1.0.136
[INFO] [stderr]     Checking hyper v0.14.18
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_json v1.0.79
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking hyper-rustls v0.23.0
[INFO] [stderr]     Checking reqwest v0.11.10
[INFO] [stderr]     Checking rustball v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `PlaceholderError` is never constructed
[INFO] [stdout]  --> src/dice/dice_errors.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct PlaceholderError;
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `PlaceholderError` has a derived impl for the trait `Debug`, 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: struct `PlaceholderError` is never constructed
[INFO] [stdout]  --> src/dice/dice_errors.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct PlaceholderError;
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `PlaceholderError` has a derived impl for the trait `Debug`, 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 26.91s
[INFO] running `Command { std: "docker" "inspect" "ac701519c9f0e3ab2efa4e3ef3c457f0787bf40c8c7bb999d62626569ad77010", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac701519c9f0e3ab2efa4e3ef3c457f0787bf40c8c7bb999d62626569ad77010", kill_on_drop: false }`
[INFO] [stdout] ac701519c9f0e3ab2efa4e3ef3c457f0787bf40c8c7bb999d62626569ad77010
[INFO] checking JimmyDeuce/Rustball against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJimmyDeuce%2FRustball" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JimmyDeuce/Rustball on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JimmyDeuce/Rustball
[INFO] finished tweaking git repo https://github.com/JimmyDeuce/Rustball
[INFO] tweaked toml for git repo https://github.com/JimmyDeuce/Rustball written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/JimmyDeuce/Rustball 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c398be5434af85aa142adf11025ae53c422168109c97980b53c9850d8c169d65
[INFO] running `Command { std: "docker" "start" "-a" "c398be5434af85aa142adf11025ae53c422168109c97980b53c9850d8c169d65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c398be5434af85aa142adf11025ae53c422168109c97980b53c9850d8c169d65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c398be5434af85aa142adf11025ae53c422168109c97980b53c9850d8c169d65", kill_on_drop: false }`
[INFO] [stdout] c398be5434af85aa142adf11025ae53c422168109c97980b53c9850d8c169d65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6c6ae1dc686dbf781184428ebae93f326a65c420a6f8224c7a70a149e3c6f00
[INFO] running `Command { std: "docker" "start" "-a" "b6c6ae1dc686dbf781184428ebae93f326a65c420a6f8224c7a70a149e3c6f00", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.90
[INFO] [stderr]     Checking ring v0.16.20
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking mio v0.8.9
[INFO] [stderr]     Checking futures-util v0.3.21
[INFO] [stderr]     Checking tracing-core v0.1.23
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking openssl-sys v0.9.72
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking tokio v1.34.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking openssl v0.10.38
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking webpki v0.22.0
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking webpki-roots v0.22.2
[INFO] [stderr]     Checking tungstenite v0.11.1
[INFO] [stderr]     Checking ipnet v2.4.0
[INFO] [stderr]     Checking rustls v0.20.4
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]     Checking webpki-roots v0.20.0
[INFO] [stderr]    Compiling serenity v0.10.10
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking uwl v0.6.0
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking tokio-rustls v0.23.3
[INFO] [stderr]     Checking tokio-rustls v0.22.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.20
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling command_attr v0.3.8
[INFO] [stderr]    Compiling async-trait v0.1.53
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]     Checking tracing v0.1.32
[INFO] [stderr]     Checking async-tungstenite v0.11.0
[INFO] [stderr]     Checking h2 v0.3.12
[INFO] [stderr]     Checking serde v1.0.136
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_json v1.0.79
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking hyper v0.14.18
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking hyper-rustls v0.23.0
[INFO] [stderr]     Checking reqwest v0.11.10
[INFO] [stderr]     Checking rustball v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `PlaceholderError` is never constructed
[INFO] [stdout]  --> src/dice/dice_errors.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct PlaceholderError;
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `PlaceholderError` has a derived impl for the trait `Debug`, 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: struct `PlaceholderError` is never constructed
[INFO] [stdout]  --> src/dice/dice_errors.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct PlaceholderError;
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `PlaceholderError` has a derived impl for the trait `Debug`, 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.29s
[INFO] running `Command { std: "docker" "inspect" "b6c6ae1dc686dbf781184428ebae93f326a65c420a6f8224c7a70a149e3c6f00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6c6ae1dc686dbf781184428ebae93f326a65c420a6f8224c7a70a149e3c6f00", kill_on_drop: false }`
[INFO] [stdout] b6c6ae1dc686dbf781184428ebae93f326a65c420a6f8224c7a70a149e3c6f00