[INFO] fetching crate arch_test_core 0.1.5...
[INFO] checking arch_test_core-0.1.5 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate arch_test_core 0.1.5 into /workspace/builds/worker-27/source
[INFO] validating manifest of crates.io crate arch_test_core 0.1.5 on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arch_test_core 0.1.5
[INFO] finished tweaking crates.io crate arch_test_core 0.1.5
[INFO] tweaked toml for crates.io crate arch_test_core 0.1.5 written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de6014df37d061b1d962eedac9e04b81b665bf8b6894d4b41e207bcd65d6d526
[INFO] running `Command { std: "docker" "start" "-a" "de6014df37d061b1d962eedac9e04b81b665bf8b6894d4b41e207bcd65d6d526", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de6014df37d061b1d962eedac9e04b81b665bf8b6894d4b41e207bcd65d6d526", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de6014df37d061b1d962eedac9e04b81b665bf8b6894d4b41e207bcd65d6d526", kill_on_drop: false }`
[INFO] [stdout] de6014df37d061b1d962eedac9e04b81b665bf8b6894d4b41e207bcd65d6d526
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af87b992b95feb64aa81b62307be2a14b214395d8d7495ee257868ec57ee1fda
[INFO] running `Command { std: "docker" "start" "-a" "af87b992b95feb64aa81b62307be2a14b214395d8d7495ee257868ec57ee1fda", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde v1.0.129
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking text-size v1.1.0
[INFO] [stderr]     Checking ra_ap_la-arena v0.0.59
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking drop_bomb v0.1.5
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking cov-mark v1.1.0
[INFO] [stderr]     Checking arrayvec v0.7.1
[INFO] [stderr]     Checking rustc-ap-rustc_lexer v721.0.0
[INFO] [stderr]     Checking perf-event-open-sys v1.0.1
[INFO] [stderr]     Checking dashmap v4.0.2
[INFO] [stderr]     Checking always-assert v0.1.2
[INFO] [stderr]     Checking ra_ap_parser v0.0.59
[INFO] [stderr]     Checking perf-event v0.4.7
[INFO] [stderr]     Checking ra_ap_text_edit v0.0.59
[INFO] [stderr]     Checking ra_ap_stdx v0.0.59
[INFO] [stderr]     Checking countme v2.0.4
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking ra_ap_profile v0.0.59
[INFO] [stderr]     Checking rowan v0.13.0-pre.6
[INFO] [stderr]    Compiling velcro_core v0.5.2
[INFO] [stderr]    Compiling serde_derive v1.0.129
[INFO] [stderr]    Compiling velcro_macros v0.5.2
[INFO] [stderr]     Checking velcro v0.5.3
[INFO] [stderr]     Checking smol_str v0.1.18
[INFO] [stderr]     Checking ra_ap_syntax v0.0.59
[INFO] [stderr]     Checking arch_test_core v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.43s
[INFO] running `Command { std: "docker" "inspect" "af87b992b95feb64aa81b62307be2a14b214395d8d7495ee257868ec57ee1fda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af87b992b95feb64aa81b62307be2a14b214395d8d7495ee257868ec57ee1fda", kill_on_drop: false }`
[INFO] [stdout] af87b992b95feb64aa81b62307be2a14b214395d8d7495ee257868ec57ee1fda