[INFO] fetching crate tubular 0.0.1...
[INFO] checking tubular-0.0.1 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate tubular 0.0.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate tubular 0.0.1 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tubular 0.0.1
[INFO] finished tweaking crates.io crate tubular 0.0.1
[INFO] tweaked toml for crates.io crate tubular 0.0.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2791db4146ab8c410327141e05f9e5eea99c5e3efcf82605d59dd5217a2eea65
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2791db4146ab8c410327141e05f9e5eea99c5e3efcf82605d59dd5217a2eea65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2791db4146ab8c410327141e05f9e5eea99c5e3efcf82605d59dd5217a2eea65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2791db4146ab8c410327141e05f9e5eea99c5e3efcf82605d59dd5217a2eea65", kill_on_drop: false }`
[INFO] [stdout] 2791db4146ab8c410327141e05f9e5eea99c5e3efcf82605d59dd5217a2eea65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9b57fa8c134e0dd12063c71f77d14749460b9f2fa1a9f9f798d66bd440a1c47d
[INFO] running `Command { std: "docker" "start" "-a" "9b57fa8c134e0dd12063c71f77d14749460b9f2fa1a9f9f798d66bd440a1c47d", kill_on_drop: false }`
[INFO] [stderr]     Checking tubular v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]    --> src/column.rs:64:13
[INFO] [stdout]     |
[INFO] [stdout] 64  |               #[macro_use]
[INFO] [stdout]     |               ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 122 | / column_types!($ col=Column, col_type=ColumnType,
[INFO] [stdout] 123 | |     |inner T| variant_id ; option_id
[INFO] [stdout] 124 | |     |u32    | U32        ; U32Opt,
[INFO] [stdout] 125 | |     |i32    | I32        ; I32Opt,
[INFO] [stdout] ...   |
[INFO] [stdout] 128 | |     |String | String     ; StringOpt
[INFO] [stdout] 129 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `column_types` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]    --> src/column.rs:64:13
[INFO] [stdout]     |
[INFO] [stdout] 64  |               #[macro_use]
[INFO] [stdout]     |               ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 122 | / column_types!($ col=Column, col_type=ColumnType,
[INFO] [stdout] 123 | |     |inner T| variant_id ; option_id
[INFO] [stdout] 124 | |     |u32    | U32        ; U32Opt,
[INFO] [stdout] 125 | |     |i32    | I32        ; I32Opt,
[INFO] [stdout] ...   |
[INFO] [stdout] 128 | |     |String | String     ; StringOpt
[INFO] [stdout] 129 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `column_types` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "9b57fa8c134e0dd12063c71f77d14749460b9f2fa1a9f9f798d66bd440a1c47d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b57fa8c134e0dd12063c71f77d14749460b9f2fa1a9f9f798d66bd440a1c47d", kill_on_drop: false }`
[INFO] [stdout] 9b57fa8c134e0dd12063c71f77d14749460b9f2fa1a9f9f798d66bd440a1c47d