[INFO] fetching crate swyt 1.2.0...
[INFO] checking swyt-1.2.0 against try#353a0a223066e9f46a1d935f2271a26c3c5002bb for pr-75180
[INFO] extracting crate swyt 1.2.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate swyt 1.2.0 on toolchain 353a0a223066e9f46a1d935f2271a26c3c5002bb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate swyt 1.2.0
[INFO] finished tweaking crates.io crate swyt 1.2.0
[INFO] tweaked toml for crates.io crate swyt 1.2.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate swyt 1.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded heim-sensors v0.0.5
[INFO] [stderr]   Downloaded heim-host v0.0.10
[INFO] [stderr]   Downloaded heim-cpu v0.0.10
[INFO] [stderr]   Downloaded heim-disk v0.0.10
[INFO] [stderr]   Downloaded heim-runtime v0.0.6
[INFO] [stderr]   Downloaded heim-memory v0.0.10
[INFO] [stderr]   Downloaded heim-process v0.0.10
[INFO] [stderr]   Downloaded heim-virt v0.0.10
[INFO] [stderr]   Downloaded heim-common v0.0.10
[INFO] [stderr]   Downloaded heim v0.0.10
[INFO] [stderr]   Downloaded heim-net v0.0.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 70c0b56cd9bfd7fb9518dbab8f016bc80e3d4da55ae4ced6ff6f2b8116ee696c
[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" "70c0b56cd9bfd7fb9518dbab8f016bc80e3d4da55ae4ced6ff6f2b8116ee696c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70c0b56cd9bfd7fb9518dbab8f016bc80e3d4da55ae4ced6ff6f2b8116ee696c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70c0b56cd9bfd7fb9518dbab8f016bc80e3d4da55ae4ced6ff6f2b8116ee696c", kill_on_drop: false }`
[INFO] [stdout] 70c0b56cd9bfd7fb9518dbab8f016bc80e3d4da55ae4ced6ff6f2b8116ee696c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 081ea195286e5dcc720aef249b44320cf2f36da2fb5d0f4285858a23f7ef163c
[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" "081ea195286e5dcc720aef249b44320cf2f36da2fb5d0f4285858a23f7ef163c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]    Compiling heim-common v0.0.10
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling heim-host v0.0.10
[INFO] [stderr]     Checking macaddr v1.0.1
[INFO] [stderr]     Checking hex v0.4.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]    Compiling raw-cpuid v7.0.3
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking uom v0.27.0
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.19
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]     Checking pin-project v0.4.19
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking heim-runtime v0.0.6
[INFO] [stderr]     Checking heim-cpu v0.0.10
[INFO] [stderr]     Checking heim-net v0.0.10
[INFO] [stderr]     Checking heim-sensors v0.0.5
[INFO] [stderr]     Checking heim-virt v0.0.10
[INFO] [stderr]     Checking heim-disk v0.0.10
[INFO] [stderr]     Checking heim-memory v0.0.10
[INFO] [stderr]     Checking heim-process v0.0.10
[INFO] [stderr]     Checking heim v0.0.10
[INFO] [stderr]     Checking swyt v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 02s
[INFO] running `Command { std: "docker" "inspect" "081ea195286e5dcc720aef249b44320cf2f36da2fb5d0f4285858a23f7ef163c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "081ea195286e5dcc720aef249b44320cf2f36da2fb5d0f4285858a23f7ef163c", kill_on_drop: false }`
[INFO] [stdout] 081ea195286e5dcc720aef249b44320cf2f36da2fb5d0f4285858a23f7ef163c