[INFO] fetching crate dhat 0.3.2...
[INFO] checking dhat-0.3.2 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate dhat 0.3.2 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate dhat 0.3.2 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dhat 0.3.2
[INFO] finished tweaking crates.io crate dhat 0.3.2
[INFO] tweaked toml for crates.io crate dhat 0.3.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate dhat 0.3.2 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mintex v0.1.2
[INFO] [stderr]   Downloaded serial_test_derive v0.5.1
[INFO] [stderr]   Downloaded serial_test v0.5.1
[INFO] [stderr]   Downloaded backtrace v0.3.63
[INFO] [stderr]   Downloaded sys-info v0.9.1
[INFO] [stderr]   Downloaded serde_json v1.0.70
[INFO] [stderr]   Downloaded object v0.27.1
[INFO] [stderr]   Downloaded libc v0.2.107
[INFO] [stderr]   Downloaded gimli v0.26.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6bb2218489fae4e8fbb27df07fb2057531e140cda367e698e40c62e7c9d327b
[INFO] running `Command { std: "docker" "start" "-a" "b6bb2218489fae4e8fbb27df07fb2057531e140cda367e698e40c62e7c9d327b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6bb2218489fae4e8fbb27df07fb2057531e140cda367e698e40c62e7c9d327b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6bb2218489fae4e8fbb27df07fb2057531e140cda367e698e40c62e7c9d327b", kill_on_drop: false }`
[INFO] [stdout] b6bb2218489fae4e8fbb27df07fb2057531e140cda367e698e40c62e7c9d327b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3eeeedc0f48f601a8ee3fe56d7a274583a79ec5a7ba838bf151f80c7524e108
[INFO] running `Command { std: "docker" "start" "-a" "a3eeeedc0f48f601a8ee3fe56d7a274583a79ec5a7ba838bf151f80c7524e108", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking lock_api v0.4.9
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]    Compiling serde_json v1.0.70
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking object v0.27.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking thousands v0.2.0
[INFO] [stderr]    Compiling sys-info v0.9.1
[INFO] [stderr]    Compiling backtrace v0.3.63
[INFO] [stderr]     Checking mintex v0.1.2
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]    Compiling serial_test_derive v0.5.1
[INFO] [stderr]     Checking serial_test v0.5.1
[INFO] [stderr]     Checking dhat v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.48s
[INFO] running `Command { std: "docker" "inspect" "a3eeeedc0f48f601a8ee3fe56d7a274583a79ec5a7ba838bf151f80c7524e108", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3eeeedc0f48f601a8ee3fe56d7a274583a79ec5a7ba838bf151f80c7524e108", kill_on_drop: false }`
[INFO] [stdout] a3eeeedc0f48f601a8ee3fe56d7a274583a79ec5a7ba838bf151f80c7524e108