[INFO] fetching crate moxie 0.2.3...
[INFO] checking moxie-0.2.3 against master#7b3a7819371cef92a187e9bac8f7810ccde15216 for pr-74846
[INFO] extracting crate moxie 0.2.3 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate moxie 0.2.3 on toolchain 7b3a7819371cef92a187e9bac8f7810ccde15216
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-13/source/.cargo/config
[INFO] started tweaking crates.io crate moxie 0.2.3
[INFO] finished tweaking crates.io crate moxie 0.2.3
[INFO] tweaked toml for crates.io crate moxie 0.2.3 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3244beccc250052252346e10e8b857ed4b75b1f8c20945cf535a5fc26a20537a
[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" "3244beccc250052252346e10e8b857ed4b75b1f8c20945cf535a5fc26a20537a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3244beccc250052252346e10e8b857ed4b75b1f8c20945cf535a5fc26a20537a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3244beccc250052252346e10e8b857ed4b75b1f8c20945cf535a5fc26a20537a", kill_on_drop: false }`
[INFO] [stdout] 3244beccc250052252346e10e8b857ed4b75b1f8c20945cf535a5fc26a20537a
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a82605b17a24d30198c0587c4f57fb9c82c8302bb15ff8c2d52693ab283bcb03
[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" "a82605b17a24d30198c0587c4f57fb9c82c8302bb15ff8c2d52693ab283bcb03", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking tracing-core v0.1.14
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling snax v0.3.0
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]     Checking plotters v0.2.15
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rayon-core v1.7.1
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking rayon v1.3.1
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking tracing-subscriber v0.1.6
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking tinytemplate v1.1.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.10
[INFO] [stderr]    Compiling topo-macro v0.9.0
[INFO] [stderr]    Compiling illicit-macro v0.9.0
[INFO] [stderr]    Compiling mox v0.2.0
[INFO] [stderr]     Checking tracing v0.1.19
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking illicit v0.9.2
[INFO] [stderr]     Checking topo v0.9.4
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking moxie v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `track_caller` has been stable since 1.46.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 69 | #![feature(track_caller)]
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `track_caller` has been stable since 1.46.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 69 | #![feature(track_caller)]
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 21s
[INFO] running `Command { std: "docker" "inspect" "a82605b17a24d30198c0587c4f57fb9c82c8302bb15ff8c2d52693ab283bcb03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a82605b17a24d30198c0587c4f57fb9c82c8302bb15ff8c2d52693ab283bcb03", kill_on_drop: false }`
[INFO] [stdout] a82605b17a24d30198c0587c4f57fb9c82c8302bb15ff8c2d52693ab283bcb03