[INFO] cloning repository https://github.com/carrascomj/ripkmer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/carrascomj/ripkmer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarrascomj%2Fripkmer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarrascomj%2Fripkmer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 953a2b75c0125b00890ce4f648a5a92637512c1c
[INFO] checking carrascomj/ripkmer against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarrascomj%2Fripkmer" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/carrascomj/ripkmer 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 git repo https://github.com/carrascomj/ripkmer
[INFO] finished tweaking git repo https://github.com/carrascomj/ripkmer
[INFO] tweaked toml for git repo https://github.com/carrascomj/ripkmer written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/carrascomj/ripkmer 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]  Downloading crates ...
[INFO] [stderr]   Downloaded doc-comment v0.3.1
[INFO] [stderr]   Downloaded syn v1.0.15
[INFO] [stderr]   Downloaded multimap v0.6.0
[INFO] [stderr]   Downloaded snafu v0.5.0
[INFO] [stderr]   Downloaded strum v0.16.0
[INFO] [stderr]   Downloaded bytecount v0.6.0
[INFO] [stderr]   Downloaded regex-automata v0.1.8
[INFO] [stderr]   Downloaded bstr v0.2.11
[INFO] [stderr]   Downloaded getset v0.0.9
[INFO] [stderr]   Downloaded ndarray v0.13.0
[INFO] [stderr]   Downloaded snafu-derive v0.5.0
[INFO] [stderr]   Downloaded strum_macros v0.16.0
[INFO] [stderr]   Downloaded bio-types v0.5.1
[INFO] [stderr]   Downloaded bv v0.11.0
[INFO] [stderr]   Downloaded bio v0.30.0
[INFO] [stderr]   Downloaded statrs v0.11.0
[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] 2b998b3ccdeff4ad6d48b80de6c7dff56a4254d756a917f783e7dfff6163f488
[INFO] running `Command { std: "docker" "start" "-a" "2b998b3ccdeff4ad6d48b80de6c7dff56a4254d756a917f783e7dfff6163f488", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b998b3ccdeff4ad6d48b80de6c7dff56a4254d756a917f783e7dfff6163f488", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b998b3ccdeff4ad6d48b80de6c7dff56a4254d756a917f783e7dfff6163f488", kill_on_drop: false }`
[INFO] [stdout] 2b998b3ccdeff4ad6d48b80de6c7dff56a4254d756a917f783e7dfff6163f488
[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] 1ee56273ecf18f38f65797a4629981425eb4523ceb6c70ee3ab1f8b6c13b0331
[INFO] running `Command { std: "docker" "start" "-a" "1ee56273ecf18f38f65797a4629981425eb4523ceb6c70ee3ab1f8b6c13b0331", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.15
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling feature-probe v0.1.1
[INFO] [stderr]    Compiling doc-comment v0.3.1
[INFO] [stderr]    Compiling bv v0.11.0
[INFO] [stderr]    Compiling newtype_derive v0.1.6
[INFO] [stderr]     Checking regex-automata v0.1.8
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]     Checking aho-corasick v0.7.8
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking regex-syntax v0.6.14
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling ndarray v0.13.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking backtrace v0.3.44
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]    Compiling bio v0.30.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]     Checking bit-vec v0.5.1
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking statrs v0.11.0
[INFO] [stderr]     Checking bit-set v0.5.1
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking itertools-num v0.1.3
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking strum v0.16.0
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking bytecount v0.6.0
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling strum_macros v0.16.0
[INFO] [stderr]    Compiling getset v0.0.9
[INFO] [stderr]    Compiling snafu-derive v0.5.0
[INFO] [stderr]     Checking snafu v0.5.0
[INFO] [stderr]     Checking bstr v0.2.11
[INFO] [stderr]     Checking multimap v0.6.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking bio-types v0.5.1
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking ripkmer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 38.60s
[INFO] running `Command { std: "docker" "inspect" "1ee56273ecf18f38f65797a4629981425eb4523ceb6c70ee3ab1f8b6c13b0331", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ee56273ecf18f38f65797a4629981425eb4523ceb6c70ee3ab1f8b6c13b0331", kill_on_drop: false }`
[INFO] [stdout] 1ee56273ecf18f38f65797a4629981425eb4523ceb6c70ee3ab1f8b6c13b0331
[INFO] checking carrascomj/ripkmer against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarrascomj%2Fripkmer" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/carrascomj/ripkmer on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/carrascomj/ripkmer
[INFO] finished tweaking git repo https://github.com/carrascomj/ripkmer
[INFO] tweaked toml for git repo https://github.com/carrascomj/ripkmer written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/carrascomj/ripkmer 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8be1f66644f07b693d163d793eb5dbebfacda3dd08ed94974a144d69444230f7
[INFO] running `Command { std: "docker" "start" "-a" "8be1f66644f07b693d163d793eb5dbebfacda3dd08ed94974a144d69444230f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8be1f66644f07b693d163d793eb5dbebfacda3dd08ed94974a144d69444230f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8be1f66644f07b693d163d793eb5dbebfacda3dd08ed94974a144d69444230f7", kill_on_drop: false }`
[INFO] [stdout] 8be1f66644f07b693d163d793eb5dbebfacda3dd08ed94974a144d69444230f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a3a84b3cfad20b1bc9a1dd522afe39566a7d7dbeed565ea550e12c9ba189390
[INFO] running `Command { std: "docker" "start" "-a" "9a3a84b3cfad20b1bc9a1dd522afe39566a7d7dbeed565ea550e12c9ba189390", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.15
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling feature-probe v0.1.1
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling doc-comment v0.3.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling bv v0.11.0
[INFO] [stderr]    Compiling newtype_derive v0.1.6
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking regex-automata v0.1.8
[INFO] [stderr]     Checking aho-corasick v0.7.8
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling ndarray v0.13.0
[INFO] [stderr]     Checking regex-syntax v0.6.14
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]     Checking backtrace v0.3.44
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling bio v0.30.0
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]     Checking bit-vec v0.5.1
[INFO] [stderr]     Checking statrs v0.11.0
[INFO] [stderr]     Checking bit-set v0.5.1
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking itertools-num v0.1.3
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking strum v0.16.0
[INFO] [stderr]     Checking bytecount v0.6.0
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling getset v0.0.9
[INFO] [stderr]    Compiling strum_macros v0.16.0
[INFO] [stderr]    Compiling snafu-derive v0.5.0
[INFO] [stderr]     Checking snafu v0.5.0
[INFO] [stderr]     Checking bstr v0.2.11
[INFO] [stderr]     Checking multimap v0.6.0
[INFO] [stderr]     Checking bio-types v0.5.1
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking ripkmer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 46.36s
[INFO] running `Command { std: "docker" "inspect" "9a3a84b3cfad20b1bc9a1dd522afe39566a7d7dbeed565ea550e12c9ba189390", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a3a84b3cfad20b1bc9a1dd522afe39566a7d7dbeed565ea550e12c9ba189390", kill_on_drop: false }`
[INFO] [stdout] 9a3a84b3cfad20b1bc9a1dd522afe39566a7d7dbeed565ea550e12c9ba189390