[INFO] fetching crate number_easing 0.1.1...
[INFO] testing number_easing-0.1.1 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate number_easing 0.1.1 into /workspace/builds/worker-17/source
[INFO] validating manifest of crates.io crate number_easing 0.1.1 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate number_easing 0.1.1
[INFO] finished tweaking crates.io crate number_easing 0.1.1
[INFO] tweaked toml for crates.io crate number_easing 0.1.1 written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1ca3c9c84f59dd50af20466923356347f1993d9937b25dabfaacd86dadd0ac0
[INFO] running `Command { std: "docker" "start" "-a" "f1ca3c9c84f59dd50af20466923356347f1993d9937b25dabfaacd86dadd0ac0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1ca3c9c84f59dd50af20466923356347f1993d9937b25dabfaacd86dadd0ac0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1ca3c9c84f59dd50af20466923356347f1993d9937b25dabfaacd86dadd0ac0", kill_on_drop: false }`
[INFO] [stdout] f1ca3c9c84f59dd50af20466923356347f1993d9937b25dabfaacd86dadd0ac0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa88a880f0654cfb386c6ef671a542720b1f4ee7b2f0fb14c670d7f9db10dbee
[INFO] running `Command { std: "docker" "start" "-a" "aa88a880f0654cfb386c6ef671a542720b1f4ee7b2f0fb14c670d7f9db10dbee", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling number_traits v0.2.4
[INFO] [stdout] error[E0635]: unknown feature `u128`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/number_traits-0.2.4/src/lib.rs:4:34
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(u128_type, i128_type, u128, i128)]
[INFO] [stdout]   |                                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `u128_type`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/number_traits-0.2.4/src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(u128_type, i128_type, u128, i128)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `number_traits` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "aa88a880f0654cfb386c6ef671a542720b1f4ee7b2f0fb14c670d7f9db10dbee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa88a880f0654cfb386c6ef671a542720b1f4ee7b2f0fb14c670d7f9db10dbee", kill_on_drop: false }`
[INFO] [stdout] aa88a880f0654cfb386c6ef671a542720b1f4ee7b2f0fb14c670d7f9db10dbee