[INFO] crate pin-project-lite 0.1.7 is already in cache
[INFO] checking pin-project-lite-0.1.7 against try#0ab79c4b48ad19260fa46623f452c1b403a360e8 for pr-74315
[INFO] extracting crate pin-project-lite 0.1.7 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate pin-project-lite 0.1.7 on toolchain 0ab79c4b48ad19260fa46623f452c1b403a360e8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pin-project-lite 0.1.7
[INFO] finished tweaking crates.io crate pin-project-lite 0.1.7
[INFO] tweaked toml for crates.io crate pin-project-lite 0.1.7 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 696ec9ce62f0ed1b9575db2c5d531a806a6a22e27c74385ccc79d50d06b038ad
[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" "696ec9ce62f0ed1b9575db2c5d531a806a6a22e27c74385ccc79d50d06b038ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "696ec9ce62f0ed1b9575db2c5d531a806a6a22e27c74385ccc79d50d06b038ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "696ec9ce62f0ed1b9575db2c5d531a806a6a22e27c74385ccc79d50d06b038ad", kill_on_drop: false }`
[INFO] [stdout] 696ec9ce62f0ed1b9575db2c5d531a806a6a22e27c74385ccc79d50d06b038ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3c901575c779e07e768a2702ad2cb8e44d6200922c4521c7e0e05f0a51d7d8d
[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" "f3c901575c779e07e768a2702ad2cb8e44d6200922c4521c7e0e05f0a51d7d8d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustversion v1.0.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking pin-project-lite v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]     Checking serde_json v1.0.56
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking trybuild v1.0.30
[INFO] [stdout] warning: warn(confusable_idents) is ignored unless specified at crate level
[INFO] [stdout]   --> tests/lint.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     confusable_idents,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> tests/lint.rs:2:74
[INFO] [stdout]    |
[INFO] [stdout] 2  | #![warn(future_incompatible, nonstandard_style, rust_2018_compatibility, unused)]
[INFO] [stdout]    |                                                                          ^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: warn(confusable_idents) is ignored unless specified at crate level
[INFO] [stdout]   --> tests/lint.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     confusable_idents,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.87s
[INFO] running `Command { std: "docker" "inspect" "f3c901575c779e07e768a2702ad2cb8e44d6200922c4521c7e0e05f0a51d7d8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3c901575c779e07e768a2702ad2cb8e44d6200922c4521c7e0e05f0a51d7d8d", kill_on_drop: false }`
[INFO] [stdout] f3c901575c779e07e768a2702ad2cb8e44d6200922c4521c7e0e05f0a51d7d8d