[INFO] fetching crate graviton 0.6.0...
[INFO] testing graviton-0.6.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate graviton 0.6.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate graviton 0.6.0 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-4/source/Cargo.toml
[INFO] crate crates.io crate graviton 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ghost v0.1.1
[INFO] [stderr]   Downloaded erased-serde v0.3.10
[INFO] [stderr]   Downloaded raw-cpuid v7.0.3
[INFO] [stderr]   Downloaded inventory v0.1.5
[INFO] [stderr]   Downloaded inventory-impl v0.1.5
[INFO] [stderr]   Downloaded thiserror v1.0.9
[INFO] [stderr]   Downloaded scroll_derive v0.10.1
[INFO] [stderr]   Downloaded typetag v0.1.4
[INFO] [stderr]   Downloaded scroll v0.10.1
[INFO] [stderr]   Downloaded rmp-serde v0.14.0
[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 thiserror-impl v1.0.9
[INFO] [stderr]   Downloaded ctor v0.1.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05bbdfb7eb697d504f5365cf4a967f3a6a260e69c0c0c535ac586b7582e80c54
[INFO] running `Command { std: "docker" "start" "-a" "05bbdfb7eb697d504f5365cf4a967f3a6a260e69c0c0c535ac586b7582e80c54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05bbdfb7eb697d504f5365cf4a967f3a6a260e69c0c0c535ac586b7582e80c54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05bbdfb7eb697d504f5365cf4a967f3a6a260e69c0c0c535ac586b7582e80c54", kill_on_drop: false }`
[INFO] [stdout] 05bbdfb7eb697d504f5365cf4a967f3a6a260e69c0c0c535ac586b7582e80c54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a61b0991b3c827f8c4b14348bae2f069c9b245ffed70ea3452a6556a88887c72
[INFO] running `Command { std: "docker" "start" "-a" "a61b0991b3c827f8c4b14348bae2f069c9b245ffed70ea3452a6556a88887c72", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling cranelift-entity v0.56.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.56.0
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling target-lexicon v0.10.0
[INFO] [stderr]    Compiling smallvec v1.1.0
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling anyhow v1.0.26
[INFO] [stderr]    Compiling plain v0.2.3
[INFO] [stderr]    Compiling crc16 v0.4.0
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling downcast-rs v1.1.1
[INFO] [stderr]    Compiling indexmap v1.3.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.56.0
[INFO] [stderr]    Compiling cranelift-bforest v0.56.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling rmp v0.8.9
[INFO] [stderr]    Compiling raw-cpuid v7.0.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling colored v1.9.2
[INFO] [stderr]    Compiling clap v2.33.0
[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 ghost v0.1.1
[INFO] [stderr]    Compiling ctor v0.1.12
[INFO] [stderr]    Compiling typetag-impl v0.1.4
[INFO] [stderr]    Compiling scroll v0.10.1
[INFO] [stderr]    Compiling cranelift-codegen v0.56.0
[INFO] [stderr]    Compiling goblin v0.1.3
[INFO] [stderr]    Compiling inventory v0.1.5
[INFO] [stderr]    Compiling thiserror v1.0.9
[INFO] [stderr]    Compiling graviton_core v0.6.0
[INFO] [stderr]    Compiling string-interner v0.7.1
[INFO] [stderr]    Compiling erased-serde v0.3.10
[INFO] [stderr]    Compiling rmp-serde v0.14.0
[INFO] [stderr]    Compiling faerie v0.14.0
[INFO] [stderr]    Compiling graviton_ast v0.6.0
[INFO] [stderr]    Compiling typetag v0.1.4
[INFO] [stderr]    Compiling cranelift-frontend v0.56.0
[INFO] [stderr]    Compiling cranelift-module v0.56.0
[INFO] [stderr]    Compiling cranelift-native v0.56.0
[INFO] [stderr]    Compiling cranelift-faerie v0.56.0
[INFO] [stderr]    Compiling cranelift v0.56.0
[INFO] [stderr]    Compiling graviton_frontend v0.6.0
[INFO] [stderr]    Compiling graviton_backend v0.6.0
[INFO] [stderr]    Compiling graviton v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.42s
[INFO] running `Command { std: "docker" "inspect" "a61b0991b3c827f8c4b14348bae2f069c9b245ffed70ea3452a6556a88887c72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a61b0991b3c827f8c4b14348bae2f069c9b245ffed70ea3452a6556a88887c72", kill_on_drop: false }`
[INFO] [stdout] a61b0991b3c827f8c4b14348bae2f069c9b245ffed70ea3452a6556a88887c72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a238a0d5cb61b3ca480e1f9a6be3c0263d2ee8932978f076f5ee67830192412
[INFO] running `Command { std: "docker" "start" "-a" "4a238a0d5cb61b3ca480e1f9a6be3c0263d2ee8932978f076f5ee67830192412", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling graviton v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.46s
[INFO] running `Command { std: "docker" "inspect" "4a238a0d5cb61b3ca480e1f9a6be3c0263d2ee8932978f076f5ee67830192412", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a238a0d5cb61b3ca480e1f9a6be3c0263d2ee8932978f076f5ee67830192412", kill_on_drop: false }`
[INFO] [stdout] 4a238a0d5cb61b3ca480e1f9a6be3c0263d2ee8932978f076f5ee67830192412
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e761b0867df0615b146dc591ccd1636e4cd8025becbe3a1e95c0755831d367bd
[INFO] running `Command { std: "docker" "start" "-a" "e761b0867df0615b146dc591ccd1636e4cd8025becbe3a1e95c0755831d367bd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/graviton-71249e6c113c2ab7)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/graviton-f8288015c9ada33c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests graviton
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e761b0867df0615b146dc591ccd1636e4cd8025becbe3a1e95c0755831d367bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e761b0867df0615b146dc591ccd1636e4cd8025becbe3a1e95c0755831d367bd", kill_on_drop: false }`
[INFO] [stdout] e761b0867df0615b146dc591ccd1636e4cd8025becbe3a1e95c0755831d367bd