[INFO] fetching crate treeid 0.3.11... [INFO] building treeid-0.3.11 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2 [INFO] extracting crate treeid 0.3.11 into /workspace/builds/worker-6-tc1/source [INFO] started tweaking crates.io crate treeid 0.3.11 [INFO] finished tweaking crates.io crate treeid 0.3.11 [INFO] tweaked toml for crates.io crate treeid 0.3.11 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate treeid 0.3.11 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 26 packages to latest compatible versions [INFO] [stderr] Adding itertools v0.7.11 (available: v0.14.0) [INFO] [stderr] Adding num-bigint v0.2.6 (available: v0.4.6) [INFO] [stderr] Adding num-rational v0.2.4 (available: v0.4.2) [INFO] [stderr] Adding rand v0.6.5 (available: v0.9.2) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rand_pcg v0.1.2 [INFO] [stderr] Downloaded rand_jitter v0.1.4 [INFO] [stderr] Downloaded rdrand v0.4.0 [INFO] [stderr] Downloaded num-rational v0.2.4 [INFO] [stderr] Downloaded rand_hc v0.1.0 [INFO] [stderr] Downloaded autocfg v0.1.8 [INFO] [stderr] Downloaded fuchsia-cprng v0.1.1 [INFO] [stderr] Downloaded itertools v0.7.11 [INFO] [stderr] Downloaded rand_chacha v0.1.1 [INFO] [stderr] Downloaded rand_isaac v0.1.1 [INFO] [stderr] Downloaded rand v0.6.5 [INFO] [stderr] Downloaded num-bigint v0.2.6 [INFO] [stderr] Downloaded cloudabi v0.0.3 [INFO] [stderr] Downloaded rand_os v0.1.3 [INFO] [stderr] Downloaded rand_core v0.4.2 [INFO] [stderr] Downloaded rand_core v0.3.1 [INFO] [stderr] Downloaded rand_xorshift v0.1.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 36dc99003ca81134d045950ae9fedcfce0afb0e4658aab6a717680976be3d5f0 [INFO] running `Command { std: "docker" "start" "-a" "36dc99003ca81134d045950ae9fedcfce0afb0e4658aab6a717680976be3d5f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "36dc99003ca81134d045950ae9fedcfce0afb0e4658aab6a717680976be3d5f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "36dc99003ca81134d045950ae9fedcfce0afb0e4658aab6a717680976be3d5f0", kill_on_drop: false }` [INFO] [stdout] 36dc99003ca81134d045950ae9fedcfce0afb0e4658aab6a717680976be3d5f0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ff2dc5da3fcaca83836843be9673ca81ac6c37427c54c892812bce4b0ff348e2 [INFO] running `Command { std: "docker" "start" "-a" "ff2dc5da3fcaca83836843be9673ca81ac6c37427c54c892812bce4b0ff348e2", kill_on_drop: false }` [INFO] [stderr] Compiling either v1.15.0 [INFO] [stderr] Compiling itertools v0.7.11 [INFO] [stderr] Compiling treeid v0.3.11 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:30:18 [INFO] [stdout] | [INFO] [stdout] 30 | #![feature(test, specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.52s [INFO] running `Command { std: "docker" "inspect" "ff2dc5da3fcaca83836843be9673ca81ac6c37427c54c892812bce4b0ff348e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff2dc5da3fcaca83836843be9673ca81ac6c37427c54c892812bce4b0ff348e2", kill_on_drop: false }` [INFO] [stdout] ff2dc5da3fcaca83836843be9673ca81ac6c37427c54c892812bce4b0ff348e2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 78e4e66d2fca191d2b416b9696b31d73d5b5d463939d7af0bbc8e80a0161c9e7 [INFO] running `Command { std: "docker" "start" "-a" "78e4e66d2fca191d2b416b9696b31d73d5b5d463939d7af0bbc8e80a0161c9e7", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.5.0 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling libc v0.2.176 [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:30:18 [INFO] [stdout] | [INFO] [stdout] 30 | #![feature(test, specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling autocfg v0.1.8 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling num-integer v0.1.46 [INFO] [stderr] Compiling treeid v0.3.11 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:30:18 [INFO] [stdout] | [INFO] [stdout] 30 | #![feature(test, specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 7.28s [INFO] running `Command { std: "docker" "inspect" "78e4e66d2fca191d2b416b9696b31d73d5b5d463939d7af0bbc8e80a0161c9e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "78e4e66d2fca191d2b416b9696b31d73d5b5d463939d7af0bbc8e80a0161c9e7", kill_on_drop: false }` [INFO] [stdout] 78e4e66d2fca191d2b416b9696b31d73d5b5d463939d7af0bbc8e80a0161c9e7