[INFO] fetching crate graviton 0.6.0...
[INFO] checking graviton-0.6.0 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] extracting crate graviton 0.6.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate graviton 0.6.0
[INFO] finished tweaking crates.io crate graviton 0.6.0
[INFO] tweaked toml for crates.io crate graviton 0.6.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate graviton 0.6.0 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate graviton 0.6.0 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded graviton_core v0.6.0
[INFO] [stderr]   Downloaded inventory v0.1.5
[INFO] [stderr]   Downloaded graviton_ast v0.6.0
[INFO] [stderr]   Downloaded graviton_backend v0.6.0
[INFO] [stderr]   Downloaded typetag-impl v0.1.4
[INFO] [stderr]   Downloaded graviton_frontend v0.6.0
[INFO] [stderr]   Downloaded rmp v0.8.9
[INFO] [stderr]   Downloaded cranelift-entity v0.56.0
[INFO] [stderr]   Downloaded cranelift-module v0.56.0
[INFO] [stderr]   Downloaded cranelift v0.56.0
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.56.0
[INFO] [stderr]   Downloaded cranelift-frontend v0.56.0
[INFO] [stderr]   Downloaded indexmap v1.3.1
[INFO] [stderr]   Downloaded cranelift-bforest v0.56.0
[INFO] [stderr]   Downloaded faerie v0.14.0
[INFO] [stderr]   Downloaded target-lexicon v0.10.0
[INFO] [stderr]   Downloaded cranelift-faerie v0.56.0
[INFO] [stderr]   Downloaded goblin v0.1.3
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.56.0
[INFO] [stderr]   Downloaded inventory-impl v0.1.5
[INFO] [stderr]   Downloaded ctor v0.1.12
[INFO] [stderr]   Downloaded cranelift-native v0.56.0
[INFO] [stderr]   Downloaded erased-serde v0.3.10
[INFO] [stderr]   Downloaded ghost v0.1.1
[INFO] [stderr]   Downloaded crc16 v0.4.0
[INFO] [stderr]   Downloaded typetag v0.1.4
[INFO] [stderr]   Downloaded rmp-serde v0.14.0
[INFO] [stderr]   Downloaded cranelift-codegen v0.56.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 390966db3ccd6a9079432069dd78881271b8956fa71bb50e66e8e1bac41f1517
[INFO] running `Command { std: "docker" "start" "-a" "390966db3ccd6a9079432069dd78881271b8956fa71bb50e66e8e1bac41f1517", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "390966db3ccd6a9079432069dd78881271b8956fa71bb50e66e8e1bac41f1517", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "390966db3ccd6a9079432069dd78881271b8956fa71bb50e66e8e1bac41f1517", kill_on_drop: false }`
[INFO] [stdout] 390966db3ccd6a9079432069dd78881271b8956fa71bb50e66e8e1bac41f1517
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a53869877e32372ae70f2f5d2d2abb678209690669101a5e320bac38826c343
[INFO] running `Command { std: "docker" "start" "-a" "2a53869877e32372ae70f2f5d2d2abb678209690669101a5e320bac38826c343", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.56.0
[INFO] [stderr]    Compiling cranelift-entity v0.56.0
[INFO] [stderr]    Compiling target-lexicon v0.10.0
[INFO] [stderr]    Compiling indexmap v1.3.1
[INFO] [stderr]    Compiling anyhow v1.0.26
[INFO] [stderr]    Compiling raw-cpuid v7.0.3
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling crc16 v0.4.0
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.56.0
[INFO] [stderr]     Checking cranelift-bforest v0.56.0
[INFO] [stderr]     Checking rmp v0.8.9
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling thiserror-impl v1.0.9
[INFO] [stderr]    Compiling scroll_derive v0.10.1
[INFO] [stderr]    Compiling inventory-impl v0.1.5
[INFO] [stderr]    Compiling ctor v0.1.12
[INFO] [stderr]    Compiling ghost v0.1.1
[INFO] [stderr]    Compiling typetag-impl v0.1.4
[INFO] [stderr]     Checking scroll v0.10.1
[INFO] [stderr]     Checking inventory v0.1.5
[INFO] [stderr]     Checking thiserror v1.0.9
[INFO] [stderr]     Checking goblin v0.1.3
[INFO] [stderr]    Compiling cranelift-codegen v0.56.0
[INFO] [stderr]     Checking string-interner v0.7.1
[INFO] [stderr]     Checking graviton_core v0.6.0
[INFO] [stderr]     Checking erased-serde v0.3.10
[INFO] [stderr]     Checking rmp-serde v0.14.0
[INFO] [stderr]     Checking faerie v0.14.0
[INFO] [stderr]     Checking graviton_ast v0.6.0
[INFO] [stderr]     Checking typetag v0.1.4
[INFO] [stderr]     Checking graviton_frontend v0.6.0
[INFO] [stderr]     Checking cranelift-module v0.56.0
[INFO] [stderr]     Checking cranelift-frontend v0.56.0
[INFO] [stderr]     Checking cranelift-native v0.56.0
[INFO] [stderr]     Checking cranelift v0.56.0
[INFO] [stderr]     Checking cranelift-faerie v0.56.0
[INFO] [stderr]     Checking graviton_backend v0.6.0
[INFO] [stderr]     Checking graviton v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.28s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: cranelift-codegen-meta v0.56.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 11`
[INFO] running `Command { std: "docker" "inspect" "2a53869877e32372ae70f2f5d2d2abb678209690669101a5e320bac38826c343", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a53869877e32372ae70f2f5d2d2abb678209690669101a5e320bac38826c343", kill_on_drop: false }`
[INFO] [stdout] 2a53869877e32372ae70f2f5d2d2abb678209690669101a5e320bac38826c343