[INFO] fetching crate cramjam 2.4.0...
[INFO] checking cramjam-2.4.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate cramjam 2.4.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate cramjam 2.4.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0-tc1/source/.cargo/config
[INFO] started tweaking crates.io crate cramjam 2.4.0
[INFO] finished tweaking crates.io crate cramjam 2.4.0
[INFO] tweaked toml for crates.io crate cramjam 2.4.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 54 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding cfg-if v0.1.10 (latest: v1.0.0)
[INFO] [stderr]       Adding indoc v0.3.6 (latest: v2.0.5)
[INFO] [stderr]       Adding indoc-impl v0.3.6 (latest: v0.3.7)
[INFO] [stderr]       Adding numpy v0.14.1 (latest: v0.21.0)
[INFO] [stderr]       Adding parking_lot v0.11.2 (latest: v0.12.1)
[INFO] [stderr]       Adding parking_lot_core v0.8.6 (latest: v0.9.9)
[INFO] [stderr]       Adding paste v0.1.18 (latest: v1.0.14)
[INFO] [stderr]       Adding pyo3 v0.14.5 (latest: v0.21.1)
[INFO] [stderr]       Adding pyo3-build-config v0.14.5 (latest: v0.21.1)
[INFO] [stderr]       Adding pyo3-macros v0.14.5 (latest: v0.21.1)
[INFO] [stderr]       Adding pyo3-macros-backend v0.14.5 (latest: v0.21.1)
[INFO] [stderr]       Adding redox_syscall v0.2.16 (latest: v0.5.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding unindent v0.1.11 (latest: v0.2.3)
[INFO] [stderr]       Adding zstd v0.9.2+zstd.1.5.1 (latest: v0.13.1)
[INFO] [stderr]       Adding zstd-safe v4.1.3+zstd.1.5.1 (latest: v7.1.0)
[INFO] [stderr]       Adding zstd-sys v1.6.2+zstd.1.5.1 (latest: v2.0.10+zstd.1.5.6)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: version requirement `0.9.0+zstd.1.5.0` for dependency `zstd` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pyo3-macros v0.14.5
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.14.5
[INFO] [stderr]   Downloaded zstd v0.9.2+zstd.1.5.1
[INFO] [stderr]   Downloaded pyo3-build-config v0.14.5
[INFO] [stderr]   Downloaded mimalloc v0.1.39
[INFO] [stderr]   Downloaded zstd-safe v4.1.3+zstd.1.5.1
[INFO] [stderr]   Downloaded pyo3 v0.14.5
[INFO] [stderr]   Downloaded libmimalloc-sys v0.1.35
[INFO] [stderr]   Downloaded zstd-sys v1.6.2+zstd.1.5.1
[INFO] [stderr]   Downloaded numpy v0.14.1
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc89ac5b4e7164e73a503d28140753311aae9e2273042e4bdcbc234b127fe032
[INFO] running `Command { std: "docker" "start" "-a" "bc89ac5b4e7164e73a503d28140753311aae9e2273042e4bdcbc234b127fe032", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc89ac5b4e7164e73a503d28140753311aae9e2273042e4bdcbc234b127fe032", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc89ac5b4e7164e73a503d28140753311aae9e2273042e4bdcbc234b127fe032", kill_on_drop: false }`
[INFO] [stdout] bc89ac5b4e7164e73a503d28140753311aae9e2273042e4bdcbc234b127fe032
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9a095c4624132e2bfeb334c585f12c9d284baa4f204c36e6a46acc50eafc024
[INFO] running `Command { std: "docker" "start" "-a" "f9a095c4624132e2bfeb334c585f12c9d284baa4f204c36e6a46acc50eafc024", kill_on_drop: false }`
[INFO] [stderr] warning: version requirement `0.9.0+zstd.1.5.0` for dependency `zstd` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]    Compiling pyo3-build-config v0.14.5
[INFO] [stderr]    Compiling unindent v0.1.11
[INFO] [stderr]    Compiling zstd-safe v4.1.3+zstd.1.5.1
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]    Compiling snap v1.1.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling zstd-sys v1.6.2+zstd.1.5.1
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling libmimalloc-sys v0.1.35
[INFO] [stderr]    Compiling lz4-sys v1.9.4
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking parking_lot_core v0.8.6
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]     Checking mimalloc v0.1.39
[INFO] [stderr]    Compiling pyo3 v0.14.5
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]    Compiling pyo3-macros-backend v0.14.5
[INFO] [stderr]    Compiling indoc-impl v0.3.6
[INFO] [stderr]     Checking indoc v0.3.6
[INFO] [stderr]     Checking lz4 v1.24.0
[INFO] [stderr]    Compiling pyo3-macros v0.14.5
[INFO] [stderr]     Checking numpy v0.14.1
[INFO] [stderr]     Checking zstd v0.9.2+zstd.1.5.1
[INFO] [stderr]     Checking cramjam v2.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `PyResult` is imported redundantly
[INFO] [stdout]  --> src/brotli.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use pyo3::prelude::*;
[INFO] [stdout]   |     ---------------- the item `PyResult` is already imported here
[INFO] [stdout] 6 | use pyo3::wrap_pyfunction;
[INFO] [stdout] 7 | use pyo3::PyResult;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PyResult` is imported redundantly
[INFO] [stdout]  --> src/deflate.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use pyo3::prelude::*;
[INFO] [stdout]   |     ---------------- the item `PyResult` is already imported here
[INFO] [stdout] 6 | use pyo3::wrap_pyfunction;
[INFO] [stdout] 7 | use pyo3::PyResult;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PyResult` is imported redundantly
[INFO] [stdout]  --> src/gzip.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use pyo3::prelude::*;
[INFO] [stdout]   |     ---------------- the item `PyResult` is already imported here
[INFO] [stdout] 6 | use pyo3::wrap_pyfunction;
[INFO] [stdout] 7 | use pyo3::PyResult;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PyResult` is imported redundantly
[INFO] [stdout]  --> src/lz4.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use pyo3::prelude::*;
[INFO] [stdout]   |     ---------------- the item `PyResult` is already imported here
[INFO] [stdout] 6 | use pyo3::wrap_pyfunction;
[INFO] [stdout] 7 | use pyo3::PyResult;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PyResult` is imported redundantly
[INFO] [stdout]  --> src/snappy.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use pyo3::prelude::*;
[INFO] [stdout]   |     ---------------- the item `PyResult` is already imported here
[INFO] [stdout] 6 | use pyo3::wrap_pyfunction;
[INFO] [stdout] 7 | use pyo3::PyResult;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PyResult` is imported redundantly
[INFO] [stdout]  --> src/zstd.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use pyo3::prelude::*;
[INFO] [stdout]   |     ---------------- the item `PyResult` is already imported here
[INFO] [stdout] 6 | use pyo3::wrap_pyfunction;
[INFO] [stdout] 7 | use pyo3::PyResult;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PyResult` is imported redundantly
[INFO] [stdout]  --> src/brotli.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use pyo3::prelude::*;
[INFO] [stdout]   |     ---------------- the item `PyResult` is already imported here
[INFO] [stdout] 6 | use pyo3::wrap_pyfunction;
[INFO] [stdout] 7 | use pyo3::PyResult;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PyResult` is imported redundantly
[INFO] [stdout]  --> src/deflate.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use pyo3::prelude::*;
[INFO] [stdout]   |     ---------------- the item `PyResult` is already imported here
[INFO] [stdout] 6 | use pyo3::wrap_pyfunction;
[INFO] [stdout] 7 | use pyo3::PyResult;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PyResult` is imported redundantly
[INFO] [stdout]  --> src/gzip.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use pyo3::prelude::*;
[INFO] [stdout]   |     ---------------- the item `PyResult` is already imported here
[INFO] [stdout] 6 | use pyo3::wrap_pyfunction;
[INFO] [stdout] 7 | use pyo3::PyResult;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PyResult` is imported redundantly
[INFO] [stdout]  --> src/lz4.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use pyo3::prelude::*;
[INFO] [stdout]   |     ---------------- the item `PyResult` is already imported here
[INFO] [stdout] 6 | use pyo3::wrap_pyfunction;
[INFO] [stdout] 7 | use pyo3::PyResult;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PyResult` is imported redundantly
[INFO] [stdout]  --> src/snappy.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use pyo3::prelude::*;
[INFO] [stdout]   |     ---------------- the item `PyResult` is already imported here
[INFO] [stdout] 6 | use pyo3::wrap_pyfunction;
[INFO] [stdout] 7 | use pyo3::PyResult;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PyResult` is imported redundantly
[INFO] [stdout]  --> src/zstd.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use pyo3::prelude::*;
[INFO] [stdout]   |     ---------------- the item `PyResult` is already imported here
[INFO] [stdout] 6 | use pyo3::wrap_pyfunction;
[INFO] [stdout] 7 | use pyo3::PyResult;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 43.28s
[INFO] running `Command { std: "docker" "inspect" "f9a095c4624132e2bfeb334c585f12c9d284baa4f204c36e6a46acc50eafc024", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9a095c4624132e2bfeb334c585f12c9d284baa4f204c36e6a46acc50eafc024", kill_on_drop: false }`
[INFO] [stdout] f9a095c4624132e2bfeb334c585f12c9d284baa4f204c36e6a46acc50eafc024