[INFO] fetching crate rustynuc 0.3.0...
[INFO] checking rustynuc-0.3.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate rustynuc 0.3.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate rustynuc 0.3.0 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] started tweaking crates.io crate rustynuc 0.3.0
[INFO] finished tweaking crates.io crate rustynuc 0.3.0
[INFO] tweaked toml for crates.io crate rustynuc 0.3.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate rustynuc 0.3.0 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ieee754 v0.2.6
[INFO] [stderr]   Downloaded fs-utils v1.1.4
[INFO] [stderr]   Downloaded bio-types v0.7.0
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.1
[INFO] [stderr]   Downloaded getset v0.0.9
[INFO] [stderr]   Downloaded fishers_exact v1.0.1
[INFO] [stderr]   Downloaded ordered-float v1.1.0
[INFO] [stderr]   Downloaded const_fn v0.4.3
[INFO] [stderr]   Downloaded multimap v0.6.0
[INFO] [stderr]   Downloaded assert_cmd v1.0.2
[INFO] [stderr]   Downloaded criterion v0.3.3
[INFO] [stderr]   Downloaded ndarray v0.13.1
[INFO] [stderr]   Downloaded bstr v0.2.14
[INFO] [stderr]   Downloaded petgraph v0.4.13
[INFO] [stderr]   Downloaded statrs v0.12.0
[INFO] [stderr]   Downloaded csv v1.1.5
[INFO] [stderr]   Downloaded plotters v0.2.15
[INFO] [stderr]   Downloaded libz-sys v1.1.2
[INFO] [stderr]   Downloaded hts-sys v1.10.3
[INFO] [stderr]   Downloaded rust-htslib v0.31.0
[INFO] [stderr]   Downloaded bio v0.30.1
[INFO] [stderr]   Downloaded syn v1.0.53
[INFO] [stderr]   Downloaded flate2 v1.0.19
[INFO] [stderr]   Downloaded ordermap v0.3.5
[INFO] [stderr]   Downloaded snafu v0.6.10
[INFO] [stderr]   Downloaded half v1.6.0
[INFO] [stderr]   Downloaded fixedbitset v0.1.9
[INFO] [stderr]   Downloaded snafu-derive v0.6.10
[INFO] [stderr]   Downloaded tinytemplate v1.1.0
[INFO] [stderr]   Downloaded niffler v2.2.0
[INFO] [stderr]   Downloaded predicates v1.0.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 946b5eec4ef21c25d23909aca3e3af6da3e7077ae725cb7273e2c3ca4ff6065c
[INFO] running `Command { std: "docker" "start" "-a" "946b5eec4ef21c25d23909aca3e3af6da3e7077ae725cb7273e2c3ca4ff6065c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "946b5eec4ef21c25d23909aca3e3af6da3e7077ae725cb7273e2c3ca4ff6065c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "946b5eec4ef21c25d23909aca3e3af6da3e7077ae725cb7273e2c3ca4ff6065c", kill_on_drop: false }`
[INFO] [stdout] 946b5eec4ef21c25d23909aca3e3af6da3e7077ae725cb7273e2c3ca4ff6065c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 0b828e75447c7ff14293c0b4553a096a71e02539cf1a19c638ddbdb074150b62
[INFO] running `Command { std: "docker" "start" "-a" "0b828e75447c7ff14293c0b4553a096a71e02539cf1a19c638ddbdb074150b62", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling syn v1.0.53
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling newtype_derive v0.1.6
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling fs-utils v1.1.4
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling feature-probe v0.1.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling bv v0.11.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking predicates-core v1.0.0
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]    Compiling bio v0.30.1
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking itertools-num v0.1.3
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking strum v0.18.0
[INFO] [stderr]     Checking half v1.6.0
[INFO] [stderr]     Checking bytecount v0.6.2
[INFO] [stderr]     Checking ieee754 v0.2.6
[INFO] [stderr]     Checking linear-map v1.2.0
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking predicates-tree v1.0.0
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking plotters v0.2.15
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking fishers_exact v1.0.1
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking statrs v0.12.0
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling hts-sys v1.10.3
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking predicates v1.0.5
[INFO] [stderr]     Checking assert_cmd v1.0.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]    Compiling snafu-derive v0.6.10
[INFO] [stderr]    Compiling getset v0.0.9
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking niffler v2.2.0
[INFO] [stderr]     Checking snafu v0.6.10
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking bio-types v0.7.0
[INFO] [stderr]     Checking multimap v0.6.0
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rust-htslib v0.31.0
[INFO] [stderr]     Checking csv v1.1.5
[INFO] [stderr]     Checking tinytemplate v1.1.0
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stderr]     Checking rustynuc v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 33.83s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "0b828e75447c7ff14293c0b4553a096a71e02539cf1a19c638ddbdb074150b62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b828e75447c7ff14293c0b4553a096a71e02539cf1a19c638ddbdb074150b62", kill_on_drop: false }`
[INFO] [stdout] 0b828e75447c7ff14293c0b4553a096a71e02539cf1a19c638ddbdb074150b62