[INFO] cloning repository https://github.com/jorgehermo9/mrmr-enhanced
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jorgehermo9/mrmr-enhanced" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjorgehermo9%2Fmrmr-enhanced", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjorgehermo9%2Fmrmr-enhanced'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8d995ec5ea41995a55ea6befb2e52890462ebae6
[INFO] checking jorgehermo9/mrmr-enhanced against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjorgehermo9%2Fmrmr-enhanced" "/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/jorgehermo9/mrmr-enhanced 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/jorgehermo9/mrmr-enhanced
[INFO] finished tweaking git repo https://github.com/jorgehermo9/mrmr-enhanced
[INFO] tweaked toml for git repo https://github.com/jorgehermo9/mrmr-enhanced written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jorgehermo9/mrmr-enhanced 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nalgebra-sparse v0.7.0
[INFO] [stderr]   Downloaded k2_tree v0.5.3
[INFO] [stderr]   Downloaded num-complex v0.4.1
[INFO] [stderr]   Downloaded simba v0.7.1
[INFO] [stderr]   Downloaded nalgebra v0.31.0
[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] 5b6b62407938479387c38c0daf66d5746f797490efacc53f952a570741ad82ba
[INFO] running `Command { std: "docker" "start" "-a" "5b6b62407938479387c38c0daf66d5746f797490efacc53f952a570741ad82ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b6b62407938479387c38c0daf66d5746f797490efacc53f952a570741ad82ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b6b62407938479387c38c0daf66d5746f797490efacc53f952a570741ad82ba", kill_on_drop: false }`
[INFO] [stdout] 5b6b62407938479387c38c0daf66d5746f797490efacc53f952a570741ad82ba
[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] 26312edfc009368b033e9f82dfb3e7513e12525ada010276b71f70fd11fdceba
[INFO] running `Command { std: "docker" "start" "-a" "26312edfc009368b033e9f82dfb3e7513e12525ada010276b71f70fd11fdceba", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling semver v1.0.10
[INFO] [stderr]    Compiling crossbeam-utils v0.8.9
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking bytemuck v1.9.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.9
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking safe_arch v0.6.0
[INFO] [stderr]    Compiling serde_json v1.0.80
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling indexmap v1.9.0
[INFO] [stderr]    Compiling paste v1.0.7
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking os_str_bytes v6.1.0
[INFO] [stderr]     Checking hashbrown v0.12.1
[INFO] [stderr]     Checking radium v0.3.0
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]     Checking clap_lex v0.2.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.5
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]     Checking wide v0.7.4
[INFO] [stderr]     Checking plotters-backend v0.3.2
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking plotters-svg v0.3.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]     Checking criterion-plot v0.4.4
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]    Compiling clap_derive v3.2.5
[INFO] [stderr]     Checking clap v3.2.5
[INFO] [stderr]     Checking num-complex v0.4.1
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking k2_tree v0.5.3
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking simba v0.7.1
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.3.5
[INFO] [stderr]     Checking nalgebra v0.31.0
[INFO] [stderr]     Checking nalgebra-sparse v0.7.0
[INFO] [stderr]     Checking fed-mrmr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "26312edfc009368b033e9f82dfb3e7513e12525ada010276b71f70fd11fdceba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26312edfc009368b033e9f82dfb3e7513e12525ada010276b71f70fd11fdceba", kill_on_drop: false }`
[INFO] [stdout] 26312edfc009368b033e9f82dfb3e7513e12525ada010276b71f70fd11fdceba
[INFO] checking jorgehermo9/mrmr-enhanced against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjorgehermo9%2Fmrmr-enhanced" "/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/jorgehermo9/mrmr-enhanced on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jorgehermo9/mrmr-enhanced
[INFO] finished tweaking git repo https://github.com/jorgehermo9/mrmr-enhanced
[INFO] tweaked toml for git repo https://github.com/jorgehermo9/mrmr-enhanced written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/jorgehermo9/mrmr-enhanced 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75d6b1e71c5b43c68e3d6dfb94d8fdd1184f6d406de7921429e84cb65e82b8ad
[INFO] running `Command { std: "docker" "start" "-a" "75d6b1e71c5b43c68e3d6dfb94d8fdd1184f6d406de7921429e84cb65e82b8ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75d6b1e71c5b43c68e3d6dfb94d8fdd1184f6d406de7921429e84cb65e82b8ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75d6b1e71c5b43c68e3d6dfb94d8fdd1184f6d406de7921429e84cb65e82b8ad", kill_on_drop: false }`
[INFO] [stdout] 75d6b1e71c5b43c68e3d6dfb94d8fdd1184f6d406de7921429e84cb65e82b8ad
[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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 117816eceb2121b012aab5f692808ce1983744bbba4a605adb485898a8d9c8da
[INFO] running `Command { std: "docker" "start" "-a" "117816eceb2121b012aab5f692808ce1983744bbba4a605adb485898a8d9c8da", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling crossbeam-utils v0.8.9
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling semver v1.0.10
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking bytemuck v1.9.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.9
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]     Checking safe_arch v0.6.0
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]    Compiling serde_json v1.0.80
[INFO] [stderr]    Compiling indexmap v1.9.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]    Compiling paste v1.0.7
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking os_str_bytes v6.1.0
[INFO] [stderr]     Checking radium v0.3.0
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking hashbrown v0.12.1
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]     Checking clap_lex v0.2.2
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking crossbeam-channel v0.5.5
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking wide v0.7.4
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking plotters-backend v0.3.2
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking plotters-svg v0.3.1
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking criterion-plot v0.4.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]    Compiling clap_derive v3.2.5
[INFO] [stderr]     Checking clap v3.2.5
[INFO] [stderr]     Checking num-complex v0.4.1
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking k2_tree v0.5.3
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking simba v0.7.1
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.3.5
[INFO] [stderr]     Checking nalgebra v0.31.0
[INFO] [stderr]     Checking nalgebra-sparse v0.7.0
[INFO] [stderr]     Checking fed-mrmr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 53.74s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "117816eceb2121b012aab5f692808ce1983744bbba4a605adb485898a8d9c8da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "117816eceb2121b012aab5f692808ce1983744bbba4a605adb485898a8d9c8da", kill_on_drop: false }`
[INFO] [stdout] 117816eceb2121b012aab5f692808ce1983744bbba4a605adb485898a8d9c8da