[INFO] fetching crate hereditary 0.1.0...
[INFO] checking hereditary-0.1.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate hereditary 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate hereditary 0.1.0
[INFO] finished tweaking crates.io crate hereditary 0.1.0
[INFO] tweaked toml for crates.io crate hereditary 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate hereditary 0.1.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 19 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2db3dbf7ab4f9a77a51e94299310cce6faca5d872274d0aeec8d63f3fec2e07d
[INFO] running `Command { std: "docker" "start" "-a" "2db3dbf7ab4f9a77a51e94299310cce6faca5d872274d0aeec8d63f3fec2e07d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2db3dbf7ab4f9a77a51e94299310cce6faca5d872274d0aeec8d63f3fec2e07d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2db3dbf7ab4f9a77a51e94299310cce6faca5d872274d0aeec8d63f3fec2e07d", kill_on_drop: false }`
[INFO] [stdout] 2db3dbf7ab4f9a77a51e94299310cce6faca5d872274d0aeec8d63f3fec2e07d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4901fde18caf481d88a2e0ceb86ce3aa54edc173984020002150b67a18839072
[INFO] running `Command { std: "docker" "start" "-a" "4901fde18caf481d88a2e0ceb86ce3aa54edc173984020002150b67a18839072", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling base32ct v0.2.2
[INFO] [stderr]     Checking unicode-ident v1.0.18
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]     Checking syn v2.0.104
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]     Checking trait_info_gen v0.1.0
[INFO] [stderr]    Compiling forwarding_gen v0.1.0
[INFO] [stderr]    Compiling trait_info v0.1.0
[INFO] [stderr]    Compiling forwarding v0.1.0
[INFO] [stderr]     Checking hereditary v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `position` is never used
[INFO] [stdout]   --> tests/traits.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 9  |         trait Cannis
[INFO] [stdout]    |               ------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 14 |             fn position(&self) -> f64;            
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.56s
[INFO] running `Command { std: "docker" "inspect" "4901fde18caf481d88a2e0ceb86ce3aa54edc173984020002150b67a18839072", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4901fde18caf481d88a2e0ceb86ce3aa54edc173984020002150b67a18839072", kill_on_drop: false }`
[INFO] [stdout] 4901fde18caf481d88a2e0ceb86ce3aa54edc173984020002150b67a18839072