[INFO] cloning repository https://github.com/mark-i-m/membuffer-extract
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mark-i-m/membuffer-extract" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmark-i-m%2Fmembuffer-extract", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmark-i-m%2Fmembuffer-extract'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 76cbdba5e3d1d2a82db51181f4722edf0fe75e87
[INFO] checking mark-i-m/membuffer-extract against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmark-i-m%2Fmembuffer-extract" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mark-i-m/membuffer-extract 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/mark-i-m/membuffer-extract
[INFO] finished tweaking git repo https://github.com/mark-i-m/membuffer-extract
[INFO] tweaked toml for git repo https://github.com/mark-i-m/membuffer-extract written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mark-i-m/membuffer-extract 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 indicatif v0.14.0
[INFO] [stderr]   Downloaded console v0.9.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 18cf365b8fccc1e0794656282cf30bb47448183272b24a2084430ed417f73891
[INFO] running `Command { std: "docker" "start" "-a" "18cf365b8fccc1e0794656282cf30bb47448183272b24a2084430ed417f73891", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18cf365b8fccc1e0794656282cf30bb47448183272b24a2084430ed417f73891", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18cf365b8fccc1e0794656282cf30bb47448183272b24a2084430ed417f73891", kill_on_drop: false }`
[INFO] [stdout] 18cf365b8fccc1e0794656282cf30bb47448183272b24a2084430ed417f73891
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ae08b962469438313ee99fdca70f11e8f5c4fee5475f0cca126529bd18fc5765
[INFO] running `Command { std: "docker" "start" "-a" "ae08b962469438313ee99fdca70f11e8f5c4fee5475f0cca126529bd18fc5765", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking termios v0.3.3
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]     Checking number_prefix v0.3.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling libz-sys v1.1.8
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking console v0.15.0
[INFO] [stderr]     Checking console v0.9.2
[INFO] [stderr]     Checking indicatif v0.14.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking membuffer-extract v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.97s
[INFO] running `Command { std: "docker" "inspect" "ae08b962469438313ee99fdca70f11e8f5c4fee5475f0cca126529bd18fc5765", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae08b962469438313ee99fdca70f11e8f5c4fee5475f0cca126529bd18fc5765", kill_on_drop: false }`
[INFO] [stdout] ae08b962469438313ee99fdca70f11e8f5c4fee5475f0cca126529bd18fc5765
[INFO] checking mark-i-m/membuffer-extract against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmark-i-m%2Fmembuffer-extract" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mark-i-m/membuffer-extract 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/mark-i-m/membuffer-extract
[INFO] finished tweaking git repo https://github.com/mark-i-m/membuffer-extract
[INFO] tweaked toml for git repo https://github.com/mark-i-m/membuffer-extract written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mark-i-m/membuffer-extract 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] c27c048f567d180ca1c24a58a0fc9552024c8757f855ad400efcb7ee64d6090b
[INFO] running `Command { std: "docker" "start" "-a" "c27c048f567d180ca1c24a58a0fc9552024c8757f855ad400efcb7ee64d6090b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c27c048f567d180ca1c24a58a0fc9552024c8757f855ad400efcb7ee64d6090b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c27c048f567d180ca1c24a58a0fc9552024c8757f855ad400efcb7ee64d6090b", kill_on_drop: false }`
[INFO] [stdout] c27c048f567d180ca1c24a58a0fc9552024c8757f855ad400efcb7ee64d6090b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] dbff3a356d3d7bc9be30dbe437f699a9f495a97a77b06a5e1ae333db98357a00
[INFO] running `Command { std: "docker" "start" "-a" "dbff3a356d3d7bc9be30dbe437f699a9f495a97a77b06a5e1ae333db98357a00", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking termios v0.3.3
[INFO] [stderr]     Checking number_prefix v0.3.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling libz-sys v1.1.8
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking console v0.15.0
[INFO] [stderr]     Checking console v0.9.2
[INFO] [stderr]     Checking indicatif v0.14.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking membuffer-extract v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.44s
[INFO] running `Command { std: "docker" "inspect" "dbff3a356d3d7bc9be30dbe437f699a9f495a97a77b06a5e1ae333db98357a00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbff3a356d3d7bc9be30dbe437f699a9f495a97a77b06a5e1ae333db98357a00", kill_on_drop: false }`
[INFO] [stdout] dbff3a356d3d7bc9be30dbe437f699a9f495a97a77b06a5e1ae333db98357a00