[INFO] fetching crate persway 0.3.5...
[INFO] checking persway-0.3.5 against try#353a0a223066e9f46a1d935f2271a26c3c5002bb for pr-75180
[INFO] extracting crate persway 0.3.5 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate persway 0.3.5 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 persway 0.3.5
[INFO] finished tweaking crates.io crate persway 0.3.5
[INFO] tweaked toml for crates.io crate persway 0.3.5 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate persway 0.3.5 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.11
[INFO] [stderr]   Downloaded synstructure v0.12.3
[INFO] [stderr]   Downloaded async-std v1.5.0
[INFO] [stderr]   Downloaded syn-mid v0.5.0
[INFO] [stderr]   Downloaded futures-macro v0.3.4
[INFO] [stderr]   Downloaded failure_derive v0.1.6
[INFO] [stderr]   Downloaded futures-core v0.3.4
[INFO] [stderr]   Downloaded futures-task v0.3.4
[INFO] [stderr]   Downloaded quote v1.0.2
[INFO] [stderr]   Downloaded unicode-xid v0.2.0
[INFO] [stderr]   Downloaded scopeguard v1.1.0
[INFO] [stderr]   Downloaded fuchsia-zircon-sys v0.3.3
[INFO] [stderr]   Downloaded async-task v1.3.1
[INFO] [stderr]   Downloaded proc-macro2 v1.0.9
[INFO] [stderr]   Downloaded mio-uds v0.6.7
[INFO] [stderr]   Downloaded proc-macro-error v0.4.9
[INFO] [stderr]   Downloaded textwrap v0.11.0
[INFO] [stderr]   Downloaded autocfg v1.0.0
[INFO] [stderr]   Downloaded vec_map v0.8.1
[INFO] [stderr]   Downloaded signal-hook-registry v1.2.0
[INFO] [stderr]   Downloaded unicode-width v0.1.7
[INFO] [stderr]   Downloaded ws2_32-sys v0.2.1
[INFO] [stderr]   Downloaded atty v0.2.14
[INFO] [stderr]   Downloaded strsim v0.8.0
[INFO] [stderr]   Downloaded memchr v2.3.3
[INFO] [stderr]   Downloaded bitflags v1.2.1
[INFO] [stderr]   Downloaded arc-swap v0.4.4
[INFO] [stderr]   Downloaded structopt v0.3.9
[INFO] [stderr]   Downloaded maybe-uninit v2.0.0
[INFO] [stderr]   Downloaded semver v0.9.0
[INFO] [stderr]   Downloaded ansi_term v0.11.0
[INFO] [stderr]   Downloaded rustc_version v0.2.3
[INFO] [stderr]   Downloaded pin-utils v0.1.0-alpha.4
[INFO] [stderr]   Downloaded mio v0.6.21
[INFO] [stderr]   Downloaded fuchsia-zircon v0.3.3
[INFO] [stderr]   Downloaded clap v2.33.0
[INFO] [stderr]   Downloaded backtrace-sys v0.1.32
[INFO] [stderr]   Downloaded iovec v0.1.4
[INFO] [stderr]   Downloaded winapi v0.2.8
[INFO] [stderr]   Downloaded heck v0.3.1
[INFO] [stderr]   Downloaded rustversion v1.0.2
[INFO] [stderr]   Downloaded futures-util v0.3.4
[INFO] [stderr]   Downloaded signal-hook v0.1.13
[INFO] [stderr]   Downloaded cc v1.0.50
[INFO] [stderr]   Downloaded failure v0.1.6
[INFO] [stderr]   Downloaded backtrace v0.3.44
[INFO] [stderr]   Downloaded structopt-derive v0.4.2
[INFO] [stderr]   Downloaded swayipc v2.4.1
[INFO] [stderr]   Downloaded libc v0.2.67
[INFO] [stderr]   Downloaded unicode-segmentation v1.6.0
[INFO] [stderr]   Downloaded winapi v0.3.8
[INFO] [stderr]   Downloaded kernel32-sys v0.2.2
[INFO] [stderr]   Downloaded cfg-if v0.1.10
[INFO] [stderr]   Downloaded semver-parser v0.7.0
[INFO] [stderr]   Downloaded slab v0.4.2
[INFO] [stderr]   Downloaded proc-macro-error-attr v0.4.9
[INFO] [stderr]   Downloaded memoffset v0.5.3
[INFO] [stderr]   Downloaded futures-timer v2.0.2
[INFO] [stderr]   Downloaded winapi-build v0.1.1
[INFO] [stderr]   Downloaded crossbeam-epoch v0.8.2
[INFO] [stderr]   Downloaded futures-io v0.3.4
[INFO] [stderr]   Downloaded once_cell v1.3.1
[INFO] [stderr]   Downloaded proc-macro-nested v0.1.3
[INFO] [stderr]   Downloaded serde_derive v1.0.104
[INFO] [stderr]   Downloaded net2 v0.2.33
[INFO] [stderr]   Downloaded rustc-demangle v0.1.16
[INFO] [stderr]   Downloaded miow v0.2.1
[INFO] [stderr]   Downloaded lazy_static v1.4.0
[INFO] [stderr]   Downloaded crossbeam-utils v0.7.2
[INFO] [stderr]   Downloaded kv-log-macro v1.0.4
[INFO] [stderr]   Downloaded syn v1.0.16
[INFO] [stderr]   Downloaded async-attributes v1.1.1
[INFO] [stderr]   Downloaded crossbeam-channel v0.4.2
[INFO] [stderr]   Downloaded crossbeam-deque v0.7.3
[INFO] [stderr]   Downloaded log v0.4.8
[INFO] [stderr]   Downloaded hermit-abi v0.1.8
[INFO] [stderr]   Downloaded num_cpus v1.12.0
[INFO] [stderr]   Downloaded pin-project-lite v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 152ff76c750c3213c5b7c86cf280606d12e74a90036e8a5b37606a00e1109713
[INFO] running `Command { std: "docker" "start" "-a" "152ff76c750c3213c5b7c86cf280606d12e74a90036e8a5b37606a00e1109713", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "152ff76c750c3213c5b7c86cf280606d12e74a90036e8a5b37606a00e1109713", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "152ff76c750c3213c5b7c86cf280606d12e74a90036e8a5b37606a00e1109713", kill_on_drop: false }`
[INFO] [stdout] 152ff76c750c3213c5b7c86cf280606d12e74a90036e8a5b37606a00e1109713
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 21b6b2e2aa51ca79812a7c0a776c3b9a28339043028b7962fa0fcb7701ee8d69
[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" "21b6b2e2aa51ca79812a7c0a776c3b9a28339043028b7962fa0fcb7701ee8d69", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking once_cell v1.3.1
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]     Checking futures-timer v2.0.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking arc-swap v0.4.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking async-task v1.3.1
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking kv-log-macro v1.0.4
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking signal-hook v0.1.13
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking backtrace v0.3.44
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking async-std v1.5.0
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling proc-macro-error v0.4.9
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.9
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]    Compiling structopt-derive v0.4.2
[INFO] [stderr]     Checking structopt v0.3.9
[INFO] [stderr]     Checking swayipc v2.4.1
[INFO] [stderr]     Checking persway v0.3.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 59.77s
[INFO] running `Command { std: "docker" "inspect" "21b6b2e2aa51ca79812a7c0a776c3b9a28339043028b7962fa0fcb7701ee8d69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21b6b2e2aa51ca79812a7c0a776c3b9a28339043028b7962fa0fcb7701ee8d69", kill_on_drop: false }`
[INFO] [stdout] 21b6b2e2aa51ca79812a7c0a776c3b9a28339043028b7962fa0fcb7701ee8d69