[INFO] fetching crate rip_shuffle 0.2.0...
[INFO] checking rip_shuffle-0.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate rip_shuffle 0.2.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate rip_shuffle 0.2.0 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 rip_shuffle 0.2.0
[INFO] finished tweaking crates.io crate rip_shuffle 0.2.0
[INFO] tweaked toml for crates.io crate rip_shuffle 0.2.0 written to /workspace/builds/worker-1-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 42 packages
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding nalgebra v0.29.0 (latest: v0.32.5)
[INFO] [stderr]       Adding nalgebra-macros v0.1.0 (latest: v0.2.1)
[INFO] [stderr]       Adding simba v0.6.0 (latest: v0.8.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] bc30cb2b5cdef6c9899c10ad3684505812e0324af298df64885a2cac21d48215
[INFO] running `Command { std: "docker" "start" "-a" "bc30cb2b5cdef6c9899c10ad3684505812e0324af298df64885a2cac21d48215", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc30cb2b5cdef6c9899c10ad3684505812e0324af298df64885a2cac21d48215", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc30cb2b5cdef6c9899c10ad3684505812e0324af298df64885a2cac21d48215", kill_on_drop: false }`
[INFO] [stdout] bc30cb2b5cdef6c9899c10ad3684505812e0324af298df64885a2cac21d48215
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] cb5ed4240012f34ff722e2496aff849623ee54a2a9e0a202d89433ea93e17dcd
[INFO] running `Command { std: "docker" "start" "-a" "cb5ed4240012f34ff722e2496aff849623ee54a2a9e0a202d89433ea93e17dcd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking safe_arch v0.7.1
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_pcg v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking wide v0.7.15
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking simba v0.6.0
[INFO] [stderr]     Checking rip_shuffle v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Rng` is imported redundantly
[INFO] [stdout]  --> src/scatter_shuffle/parallel.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::*;
[INFO] [stdout]   |     -------- the item `Rng` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 9 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Rng` is imported redundantly
[INFO] [stdout]   --> src/scatter_shuffle/sequential.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | use super::*;
[INFO] [stdout]    |     -------- the item `Rng` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 12 | use rand::Rng;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking nalgebra v0.29.0
[INFO] [stderr]     Checking statrs v0.16.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.44s
[INFO] running `Command { std: "docker" "inspect" "cb5ed4240012f34ff722e2496aff849623ee54a2a9e0a202d89433ea93e17dcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb5ed4240012f34ff722e2496aff849623ee54a2a9e0a202d89433ea93e17dcd", kill_on_drop: false }`
[INFO] [stdout] cb5ed4240012f34ff722e2496aff849623ee54a2a9e0a202d89433ea93e17dcd
[INFO] checking rip_shuffle-0.2.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate rip_shuffle 0.2.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate rip_shuffle 0.2.0 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 crates.io crate rip_shuffle 0.2.0
[INFO] finished tweaking crates.io crate rip_shuffle 0.2.0
[INFO] tweaked toml for crates.io crate rip_shuffle 0.2.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] cec32b77072e7570c0523580b1c1a66ad7e3553320846e2f302228f936bbd90a
[INFO] running `Command { std: "docker" "start" "-a" "cec32b77072e7570c0523580b1c1a66ad7e3553320846e2f302228f936bbd90a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cec32b77072e7570c0523580b1c1a66ad7e3553320846e2f302228f936bbd90a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cec32b77072e7570c0523580b1c1a66ad7e3553320846e2f302228f936bbd90a", kill_on_drop: false }`
[INFO] [stdout] cec32b77072e7570c0523580b1c1a66ad7e3553320846e2f302228f936bbd90a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 99a53450ed9b2f8d91b605f77b97ea1d53fdb4420c39738eecae954791558632
[INFO] running `Command { std: "docker" "start" "-a" "99a53450ed9b2f8d91b605f77b97ea1d53fdb4420c39738eecae954791558632", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]     Checking safe_arch v0.7.1
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_pcg v0.3.1
[INFO] [stderr]     Checking wide v0.7.15
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking rip_shuffle v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Rng` is imported redundantly
[INFO] [stdout]  --> src/scatter_shuffle/parallel.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::*;
[INFO] [stdout]   |     -------- the item `Rng` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 9 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Rng` is imported redundantly
[INFO] [stdout]   --> src/scatter_shuffle/sequential.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | use super::*;
[INFO] [stdout]    |     -------- the item `Rng` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 12 | use rand::Rng;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking simba v0.6.0
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking nalgebra v0.29.0
[INFO] [stderr]     Checking statrs v0.16.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.21s
[INFO] running `Command { std: "docker" "inspect" "99a53450ed9b2f8d91b605f77b97ea1d53fdb4420c39738eecae954791558632", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99a53450ed9b2f8d91b605f77b97ea1d53fdb4420c39738eecae954791558632", kill_on_drop: false }`
[INFO] [stdout] 99a53450ed9b2f8d91b605f77b97ea1d53fdb4420c39738eecae954791558632