[INFO] cloning repository https://github.com/libraries/ckb_vm_bug0
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/libraries/ckb_vm_bug0" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flibraries%2Fckb_vm_bug0", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flibraries%2Fckb_vm_bug0'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a2236215c97dcc8e6aa37d971ff110e8c8c310c8
[INFO] checking libraries/ckb_vm_bug0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flibraries%2Fckb_vm_bug0" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/libraries/ckb_vm_bug0 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/libraries/ckb_vm_bug0
[INFO] finished tweaking git repo https://github.com/libraries/ckb_vm_bug0
[INFO] tweaked toml for git repo https://github.com/libraries/ckb_vm_bug0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/libraries/ckb_vm_bug0 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]  Downloading crates ...
[INFO] [stderr]   Downloaded scroll_derive v0.10.2
[INFO] [stderr]   Downloaded scroll v0.10.1
[INFO] [stderr]   Downloaded ckb-vm-definitions v0.19.1
[INFO] [stderr]   Downloaded ckb-vm v0.19.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 35bddb787bfbf4570567bddc610d19f3f0e5f8758e5dad2b8e90e7bd8f1ba153
[INFO] running `Command { std: "docker" "start" "-a" "35bddb787bfbf4570567bddc610d19f3f0e5f8758e5dad2b8e90e7bd8f1ba153", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35bddb787bfbf4570567bddc610d19f3f0e5f8758e5dad2b8e90e7bd8f1ba153", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35bddb787bfbf4570567bddc610d19f3f0e5f8758e5dad2b8e90e7bd8f1ba153", kill_on_drop: false }`
[INFO] [stdout] 35bddb787bfbf4570567bddc610d19f3f0e5f8758e5dad2b8e90e7bd8f1ba153
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 256e7c574845eaba61e1e53598edf62db4c6c049f90e8e85656376783e104950
[INFO] running `Command { std: "docker" "start" "-a" "256e7c574845eaba61e1e53598edf62db4c6c049f90e8e85656376783e104950", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.34
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]     Checking ckb-vm-definitions v0.19.1
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling ckb-vm v0.19.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]    Compiling scroll_derive v0.10.2
[INFO] [stderr]    Compiling derive_more v0.99.9
[INFO] [stderr]     Checking scroll v0.10.1
[INFO] [stderr]     Checking goblin v0.2.3
[INFO] [stderr]     Checking ckb_vm_bug0 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.15s
[INFO] running `Command { std: "docker" "inspect" "256e7c574845eaba61e1e53598edf62db4c6c049f90e8e85656376783e104950", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "256e7c574845eaba61e1e53598edf62db4c6c049f90e8e85656376783e104950", kill_on_drop: false }`
[INFO] [stdout] 256e7c574845eaba61e1e53598edf62db4c6c049f90e8e85656376783e104950
[INFO] checking libraries/ckb_vm_bug0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flibraries%2Fckb_vm_bug0" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/libraries/ckb_vm_bug0 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/libraries/ckb_vm_bug0
[INFO] finished tweaking git repo https://github.com/libraries/ckb_vm_bug0
[INFO] tweaked toml for git repo https://github.com/libraries/ckb_vm_bug0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/libraries/ckb_vm_bug0 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 722e055f93b72fbd833d9ee89a57ed341b68b175cce5abdd27ecd74791b3f699
[INFO] running `Command { std: "docker" "start" "-a" "722e055f93b72fbd833d9ee89a57ed341b68b175cce5abdd27ecd74791b3f699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "722e055f93b72fbd833d9ee89a57ed341b68b175cce5abdd27ecd74791b3f699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "722e055f93b72fbd833d9ee89a57ed341b68b175cce5abdd27ecd74791b3f699", kill_on_drop: false }`
[INFO] [stdout] 722e055f93b72fbd833d9ee89a57ed341b68b175cce5abdd27ecd74791b3f699
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 49142f0f561e7ba9999f4eeb154b66616c1ec5e62347ee07fc124af03fb2162f
[INFO] running `Command { std: "docker" "start" "-a" "49142f0f561e7ba9999f4eeb154b66616c1ec5e62347ee07fc124af03fb2162f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.34
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]     Checking ckb-vm-definitions v0.19.1
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling ckb-vm v0.19.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]    Compiling scroll_derive v0.10.2
[INFO] [stderr]    Compiling derive_more v0.99.9
[INFO] [stderr]     Checking scroll v0.10.1
[INFO] [stderr]     Checking goblin v0.2.3
[INFO] [stderr]     Checking ckb_vm_bug0 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.42s
[INFO] running `Command { std: "docker" "inspect" "49142f0f561e7ba9999f4eeb154b66616c1ec5e62347ee07fc124af03fb2162f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49142f0f561e7ba9999f4eeb154b66616c1ec5e62347ee07fc124af03fb2162f", kill_on_drop: false }`
[INFO] [stdout] 49142f0f561e7ba9999f4eeb154b66616c1ec5e62347ee07fc124af03fb2162f