[INFO] cloning repository https://github.com/saschagrunert/conmon-rs-streaming
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/saschagrunert/conmon-rs-streaming" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaschagrunert%2Fconmon-rs-streaming", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaschagrunert%2Fconmon-rs-streaming'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5ff4d7e3aef7f8c48f1914f26043c46788b0418e
[INFO] checking saschagrunert/conmon-rs-streaming against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaschagrunert%2Fconmon-rs-streaming" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/saschagrunert/conmon-rs-streaming 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/saschagrunert/conmon-rs-streaming
[INFO] finished tweaking git repo https://github.com/saschagrunert/conmon-rs-streaming
[INFO] tweaked toml for git repo https://github.com/saschagrunert/conmon-rs-streaming written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/saschagrunert/conmon-rs-streaming 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded capnp v0.14.6
[INFO] [stderr]   Downloaded capnp-futures v0.14.1
[INFO] [stderr]   Downloaded capnp-rpc v0.14.1
[INFO] [stderr]   Downloaded capnpc v0.14.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 1ba5807f5236d77d9138ee8c07200cfdd5cb5851fe7e2f432dfb83e273286aed
[INFO] running `Command { std: "docker" "start" "-a" "1ba5807f5236d77d9138ee8c07200cfdd5cb5851fe7e2f432dfb83e273286aed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ba5807f5236d77d9138ee8c07200cfdd5cb5851fe7e2f432dfb83e273286aed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ba5807f5236d77d9138ee8c07200cfdd5cb5851fe7e2f432dfb83e273286aed", kill_on_drop: false }`
[INFO] [stdout] 1ba5807f5236d77d9138ee8c07200cfdd5cb5851fe7e2f432dfb83e273286aed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 2e2b708fd76a289142ff23bf8a83b37f7c80336841f336168fcb788abfe6bcfa
[INFO] running `Command { std: "docker" "start" "-a" "2e2b708fd76a289142ff23bf8a83b37f7c80336841f336168fcb788abfe6bcfa", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]    Compiling capnp v0.14.6
[INFO] [stderr]     Checking futures-channel v0.3.21
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking mio v0.8.2
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling capnpc v0.14.7
[INFO] [stderr]    Compiling exec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]     Checking tokio v1.17.0
[INFO] [stderr]     Checking futures-util v0.3.21
[INFO] [stderr]     Checking tokio-util v0.7.1
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking capnp-futures v0.14.1
[INFO] [stderr]     Checking capnp-rpc v0.14.1
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.76s
[INFO] running `Command { std: "docker" "inspect" "2e2b708fd76a289142ff23bf8a83b37f7c80336841f336168fcb788abfe6bcfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e2b708fd76a289142ff23bf8a83b37f7c80336841f336168fcb788abfe6bcfa", kill_on_drop: false }`
[INFO] [stdout] 2e2b708fd76a289142ff23bf8a83b37f7c80336841f336168fcb788abfe6bcfa
[INFO] checking saschagrunert/conmon-rs-streaming against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaschagrunert%2Fconmon-rs-streaming" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/saschagrunert/conmon-rs-streaming 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/saschagrunert/conmon-rs-streaming
[INFO] finished tweaking git repo https://github.com/saschagrunert/conmon-rs-streaming
[INFO] tweaked toml for git repo https://github.com/saschagrunert/conmon-rs-streaming written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/saschagrunert/conmon-rs-streaming 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] [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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 42ed9a8e187fb4d1fd2f5724851e1ee16bc6bc3db23c070580c60c88ce8cdb58
[INFO] running `Command { std: "docker" "start" "-a" "42ed9a8e187fb4d1fd2f5724851e1ee16bc6bc3db23c070580c60c88ce8cdb58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42ed9a8e187fb4d1fd2f5724851e1ee16bc6bc3db23c070580c60c88ce8cdb58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42ed9a8e187fb4d1fd2f5724851e1ee16bc6bc3db23c070580c60c88ce8cdb58", kill_on_drop: false }`
[INFO] [stdout] 42ed9a8e187fb4d1fd2f5724851e1ee16bc6bc3db23c070580c60c88ce8cdb58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 3ccb03b69f05c04d03f5f1cb3cdba6b9745f2ee24bdbaa8be9aaf9c414c2f70e
[INFO] running `Command { std: "docker" "start" "-a" "3ccb03b69f05c04d03f5f1cb3cdba6b9745f2ee24bdbaa8be9aaf9c414c2f70e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]    Compiling capnp v0.14.6
[INFO] [stderr]     Checking futures-channel v0.3.21
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking mio v0.8.2
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling capnpc v0.14.7
[INFO] [stderr]    Compiling exec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]     Checking tokio v1.17.0
[INFO] [stderr]     Checking futures-util v0.3.21
[INFO] [stderr]     Checking tokio-util v0.7.1
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking capnp-futures v0.14.1
[INFO] [stderr]     Checking capnp-rpc v0.14.1
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.83s
[INFO] running `Command { std: "docker" "inspect" "3ccb03b69f05c04d03f5f1cb3cdba6b9745f2ee24bdbaa8be9aaf9c414c2f70e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ccb03b69f05c04d03f5f1cb3cdba6b9745f2ee24bdbaa8be9aaf9c414c2f70e", kill_on_drop: false }`
[INFO] [stdout] 3ccb03b69f05c04d03f5f1cb3cdba6b9745f2ee24bdbaa8be9aaf9c414c2f70e