[INFO] fetching crate rust-visitor 0.2.0...
[INFO] checking rust-visitor-0.2.0 against try#1c5262aa6c045a581fb974488793f09ed51fc498 for pr-78376
[INFO] extracting crate rust-visitor 0.2.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate rust-visitor 0.2.0 on toolchain 1c5262aa6c045a581fb974488793f09ed51fc498
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust-visitor 0.2.0
[INFO] finished tweaking crates.io crate rust-visitor 0.2.0
[INFO] tweaked toml for crates.io crate rust-visitor 0.2.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustc-ap-rustc_lexer v673.0.0
[INFO] [stderr]   Downloaded ra_ap_text_edit v0.0.16
[INFO] [stderr]   Downloaded ra_ap_stdx v0.0.16
[INFO] [stderr]   Downloaded ra_ap_parser v0.0.16
[INFO] [stderr]   Downloaded ra_ap_syntax v0.0.16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a64132a2da5ac3554a5f2a86488a7e6f2b7595dcc151d718f18cb0fd1db0840
[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" "5a64132a2da5ac3554a5f2a86488a7e6f2b7595dcc151d718f18cb0fd1db0840", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a64132a2da5ac3554a5f2a86488a7e6f2b7595dcc151d718f18cb0fd1db0840", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a64132a2da5ac3554a5f2a86488a7e6f2b7595dcc151d718f18cb0fd1db0840", kill_on_drop: false }`
[INFO] [stdout] 5a64132a2da5ac3554a5f2a86488a7e6f2b7595dcc151d718f18cb0fd1db0840
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3499595dddfaa742889d1797e41602e00bde76b7a580497513ea30b861600af
[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" "a3499595dddfaa742889d1797e41602e00bde76b7a580497513ea30b861600af", kill_on_drop: false }`
[INFO] [stderr]     Checking text-size v1.0.0
[INFO] [stderr]     Checking thin-dst v1.1.0
[INFO] [stderr]     Checking drop_bomb v0.1.5
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking ra_ap_stdx v0.0.16
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking ra_ap_parser v0.0.16
[INFO] [stderr]     Checking rustc-ap-rustc_lexer v673.0.0
[INFO] [stderr]     Checking ra_ap_text_edit v0.0.16
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking smol_str v0.1.17
[INFO] [stderr]     Checking rowan v0.10.0
[INFO] [stderr]     Checking ra_ap_syntax v0.0.16
[INFO] [stderr]     Checking rust-visitor v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.50s
[INFO] running `Command { std: "docker" "inspect" "a3499595dddfaa742889d1797e41602e00bde76b7a580497513ea30b861600af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3499595dddfaa742889d1797e41602e00bde76b7a580497513ea30b861600af", kill_on_drop: false }`
[INFO] [stdout] a3499595dddfaa742889d1797e41602e00bde76b7a580497513ea30b861600af