[INFO] fetching crate arc_wrapper 0.1.6...
[INFO] checking arc_wrapper-0.1.6 against master#3139ff09e9d07f7700f8d15ed25a231e29c43627 for pr-121848-3
[INFO] extracting crate arc_wrapper 0.1.6 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate arc_wrapper 0.1.6 on toolchain 3139ff09e9d07f7700f8d15ed25a231e29c43627
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3139ff09e9d07f7700f8d15ed25a231e29c43627" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arc_wrapper 0.1.6
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate arc_wrapper 0.1.6
[INFO] tweaked toml for crates.io crate arc_wrapper 0.1.6 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate arc_wrapper 0.1.6 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" "+3139ff09e9d07f7700f8d15ed25a231e29c43627" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v2.0.72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+3139ff09e9d07f7700f8d15ed25a231e29c43627" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c0dfc74ab17b296e24fcd6b2c7f4797366c18f1afaa2d4f948e47f9a82f2fce
[INFO] running `Command { std: "docker" "start" "-a" "6c0dfc74ab17b296e24fcd6b2c7f4797366c18f1afaa2d4f948e47f9a82f2fce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c0dfc74ab17b296e24fcd6b2c7f4797366c18f1afaa2d4f948e47f9a82f2fce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c0dfc74ab17b296e24fcd6b2c7f4797366c18f1afaa2d4f948e47f9a82f2fce", kill_on_drop: false }`
[INFO] [stdout] 6c0dfc74ab17b296e24fcd6b2c7f4797366c18f1afaa2d4f948e47f9a82f2fce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+3139ff09e9d07f7700f8d15ed25a231e29c43627" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97962049c7ce5d42e326d0c7e9f1207a5b317fd37aa8a3f5c85c1281f1d525e8
[INFO] running `Command { std: "docker" "start" "-a" "97962049c7ce5d42e326d0c7e9f1207a5b317fd37aa8a3f5c85c1281f1d525e8", kill_on_drop: false }`
[INFO] [stderr]     Checking syn v2.0.72
[INFO] [stderr]     Checking arc_wrapper v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.61s
[INFO] running `Command { std: "docker" "inspect" "97962049c7ce5d42e326d0c7e9f1207a5b317fd37aa8a3f5c85c1281f1d525e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97962049c7ce5d42e326d0c7e9f1207a5b317fd37aa8a3f5c85c1281f1d525e8", kill_on_drop: false }`
[INFO] [stdout] 97962049c7ce5d42e326d0c7e9f1207a5b317fd37aa8a3f5c85c1281f1d525e8
[INFO] checking arc_wrapper-0.1.6 against try#a2cff3b7a9661c90ec0d581d3f3a69bb97c11138 for pr-121848-3
[INFO] extracting crate arc_wrapper 0.1.6 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate arc_wrapper 0.1.6 on toolchain a2cff3b7a9661c90ec0d581d3f3a69bb97c11138
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2cff3b7a9661c90ec0d581d3f3a69bb97c11138" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arc_wrapper 0.1.6
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate arc_wrapper 0.1.6
[INFO] tweaked toml for crates.io crate arc_wrapper 0.1.6 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate arc_wrapper 0.1.6 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" "+a2cff3b7a9661c90ec0d581d3f3a69bb97c11138" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+a2cff3b7a9661c90ec0d581d3f3a69bb97c11138" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dac18046ca6e3f1c3af38a2fb18461552f6f9e652da26ca23a38b387bdfe5fd2
[INFO] running `Command { std: "docker" "start" "-a" "dac18046ca6e3f1c3af38a2fb18461552f6f9e652da26ca23a38b387bdfe5fd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dac18046ca6e3f1c3af38a2fb18461552f6f9e652da26ca23a38b387bdfe5fd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dac18046ca6e3f1c3af38a2fb18461552f6f9e652da26ca23a38b387bdfe5fd2", kill_on_drop: false }`
[INFO] [stdout] dac18046ca6e3f1c3af38a2fb18461552f6f9e652da26ca23a38b387bdfe5fd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+a2cff3b7a9661c90ec0d581d3f3a69bb97c11138" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5459b4ba67d7e3d1e3a78ea204e9fcf2ac34be74584d33db6a65aa9a1095db7
[INFO] running `Command { std: "docker" "start" "-a" "b5459b4ba67d7e3d1e3a78ea204e9fcf2ac34be74584d33db6a65aa9a1095db7", kill_on_drop: false }`
[INFO] [stderr]     Checking syn v2.0.72
[INFO] [stderr]     Checking arc_wrapper v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.63s
[INFO] running `Command { std: "docker" "inspect" "b5459b4ba67d7e3d1e3a78ea204e9fcf2ac34be74584d33db6a65aa9a1095db7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5459b4ba67d7e3d1e3a78ea204e9fcf2ac34be74584d33db6a65aa9a1095db7", kill_on_drop: false }`
[INFO] [stdout] b5459b4ba67d7e3d1e3a78ea204e9fcf2ac34be74584d33db6a65aa9a1095db7
