[INFO] cloning repository https://github.com/umanwizard/timed-queue
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/umanwizard/timed-queue" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fumanwizard%2Ftimed-queue", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fumanwizard%2Ftimed-queue'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 55536dea13f22bbf571462eec02c9b92b7a55214
[INFO] checking umanwizard/timed-queue against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fumanwizard%2Ftimed-queue" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/umanwizard/timed-queue 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/umanwizard/timed-queue
[INFO] finished tweaking git repo https://github.com/umanwizard/timed-queue
[INFO] tweaked toml for git repo https://github.com/umanwizard/timed-queue written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/umanwizard/timed-queue 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 424ae1c0abf2302c71e5fb2f810203e10af259e314d3995f933d9217d22e61b4
[INFO] running `Command { std: "docker" "start" "-a" "424ae1c0abf2302c71e5fb2f810203e10af259e314d3995f933d9217d22e61b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "424ae1c0abf2302c71e5fb2f810203e10af259e314d3995f933d9217d22e61b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "424ae1c0abf2302c71e5fb2f810203e10af259e314d3995f933d9217d22e61b4", kill_on_drop: false }`
[INFO] [stdout] 424ae1c0abf2302c71e5fb2f810203e10af259e314d3995f933d9217d22e61b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 84bc54609afb3569c5219480ee3c9d84cff99026d07a41c045ec318eef05d5a7
[INFO] running `Command { std: "docker" "start" "-a" "84bc54609afb3569c5219480ee3c9d84cff99026d07a41c045ec318eef05d5a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]     Checking smallvec v1.5.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking bytes v1.0.0
[INFO] [stderr]     Checking pin-project-lite v0.2.0
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling tokio v1.0.1
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking mio v0.7.6
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling tokio-macros v1.0.0
[INFO] [stderr]     Checking timed-queue v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.59s
[INFO] running `Command { std: "docker" "inspect" "84bc54609afb3569c5219480ee3c9d84cff99026d07a41c045ec318eef05d5a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84bc54609afb3569c5219480ee3c9d84cff99026d07a41c045ec318eef05d5a7", kill_on_drop: false }`
[INFO] [stdout] 84bc54609afb3569c5219480ee3c9d84cff99026d07a41c045ec318eef05d5a7
[INFO] checking umanwizard/timed-queue against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fumanwizard%2Ftimed-queue" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/umanwizard/timed-queue 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/umanwizard/timed-queue
[INFO] finished tweaking git repo https://github.com/umanwizard/timed-queue
[INFO] tweaked toml for git repo https://github.com/umanwizard/timed-queue written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/umanwizard/timed-queue 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 46c9305207600334157f0a1e889a0ad2a2c12259533ff6cc7d92278a8f5069a2
[INFO] running `Command { std: "docker" "start" "-a" "46c9305207600334157f0a1e889a0ad2a2c12259533ff6cc7d92278a8f5069a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46c9305207600334157f0a1e889a0ad2a2c12259533ff6cc7d92278a8f5069a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46c9305207600334157f0a1e889a0ad2a2c12259533ff6cc7d92278a8f5069a2", kill_on_drop: false }`
[INFO] [stdout] 46c9305207600334157f0a1e889a0ad2a2c12259533ff6cc7d92278a8f5069a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] c3b76a1ad9296dbc282f456585cc1a2cd25348c059d8ecaacbe8710185350126
[INFO] running `Command { std: "docker" "start" "-a" "c3b76a1ad9296dbc282f456585cc1a2cd25348c059d8ecaacbe8710185350126", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]     Checking smallvec v1.5.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking pin-project-lite v0.2.0
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking bytes v1.0.0
[INFO] [stderr]    Compiling tokio v1.0.1
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking mio v0.7.6
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling tokio-macros v1.0.0
[INFO] [stderr]     Checking timed-queue v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.53s
[INFO] running `Command { std: "docker" "inspect" "c3b76a1ad9296dbc282f456585cc1a2cd25348c059d8ecaacbe8710185350126", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3b76a1ad9296dbc282f456585cc1a2cd25348c059d8ecaacbe8710185350126", kill_on_drop: false }`
[INFO] [stdout] c3b76a1ad9296dbc282f456585cc1a2cd25348c059d8ecaacbe8710185350126