[INFO] fetching crate arch_test_core 0.1.5...
[INFO] checking arch_test_core-0.1.5 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate arch_test_core 0.1.5 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate arch_test_core 0.1.5 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustc-ap-rustc_lexer v721.0.0
[INFO] [stderr]   Downloaded velcro_core v0.5.2
[INFO] [stderr]   Downloaded cov-mark v1.1.0
[INFO] [stderr]   Downloaded drop_bomb v0.1.5
[INFO] [stderr]   Downloaded ra_ap_text_edit v0.0.59
[INFO] [stderr]   Downloaded perf-event-open-sys v1.0.1
[INFO] [stderr]   Downloaded ra_ap_la-arena v0.0.59
[INFO] [stderr]   Downloaded ra_ap_profile v0.0.59
[INFO] [stderr]   Downloaded ra_ap_parser v0.0.59
[INFO] [stderr]   Downloaded rowan v0.13.0-pre.6
[INFO] [stderr]   Downloaded ra_ap_syntax v0.0.59
[INFO] [stderr]   Downloaded ra_ap_stdx v0.0.59
[INFO] [stderr]   Downloaded velcro_macros v0.5.2
[INFO] [stderr]   Downloaded perf-event v0.4.7
[INFO] [stderr]   Downloaded text-size v1.1.0
[INFO] [stderr]   Downloaded countme v2.0.4
[INFO] [stderr]   Downloaded velcro v0.5.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ecd2861fcaae1ce731f06b93d7894598a71fc91cbb715abea20553bc19d07463
[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" "ecd2861fcaae1ce731f06b93d7894598a71fc91cbb715abea20553bc19d07463", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ecd2861fcaae1ce731f06b93d7894598a71fc91cbb715abea20553bc19d07463", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecd2861fcaae1ce731f06b93d7894598a71fc91cbb715abea20553bc19d07463", kill_on_drop: false }`
[INFO] [stdout] ecd2861fcaae1ce731f06b93d7894598a71fc91cbb715abea20553bc19d07463
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22f1dd7f89a6ad2a484f2951de84c1c93b6e135c6cd8ec1e57013ba9f1ad7106
[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" "22f1dd7f89a6ad2a484f2951de84c1c93b6e135c6cd8ec1e57013ba9f1ad7106", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking text-size v1.1.0
[INFO] [stderr]     Checking ra_ap_la-arena v0.0.59
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking drop_bomb v0.1.5
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking arrayvec v0.7.1
[INFO] [stderr]     Checking cov-mark v1.1.0
[INFO] [stderr]     Checking rustc-ap-rustc_lexer v721.0.0
[INFO] [stderr]     Checking ra_ap_parser v0.0.59
[INFO] [stderr]     Checking ra_ap_text_edit v0.0.59
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking always-assert v0.1.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking perf-event-open-sys v1.0.1
[INFO] [stderr]     Checking ra_ap_stdx v0.0.59
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking dashmap v4.0.2
[INFO] [stderr]     Checking perf-event v0.4.7
[INFO] [stderr]     Checking countme v2.0.4
[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 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 52.12s
[INFO] running `Command { std: "docker" "inspect" "22f1dd7f89a6ad2a484f2951de84c1c93b6e135c6cd8ec1e57013ba9f1ad7106", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22f1dd7f89a6ad2a484f2951de84c1c93b6e135c6cd8ec1e57013ba9f1ad7106", kill_on_drop: false }`
[INFO] [stdout] 22f1dd7f89a6ad2a484f2951de84c1c93b6e135c6cd8ec1e57013ba9f1ad7106