[INFO] fetching crate rblog 0.55.0...
[INFO] checking rblog-0.55.0 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate rblog 0.55.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate rblog 0.55.0 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-10/source/.cargo/config
[INFO] started tweaking crates.io crate rblog 0.55.0
[INFO] finished tweaking crates.io crate rblog 0.55.0
[INFO] tweaked toml for crates.io crate rblog 0.55.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate rblog 0.55.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_qs v0.7.2
[INFO] [stderr]   Downloaded infer v0.2.3
[INFO] [stderr]   Downloaded async-dup v1.2.2
[INFO] [stderr]   Downloaded http-client v6.3.0
[INFO] [stderr]   Downloaded anyhow v1.0.38
[INFO] [stderr]   Downloaded async-h1 v2.3.1
[INFO] [stderr]   Downloaded hmac v0.8.1
[INFO] [stderr]   Downloaded entities v1.0.1
[INFO] [stderr]   Downloaded comrak v0.9.1
[INFO] [stderr]   Downloaded twoway v0.2.1
[INFO] [stderr]   Downloaded nom_locate v2.1.0
[INFO] [stderr]   Downloaded xdg v2.2.0
[INFO] [stderr]   Downloaded simple-mutex v1.1.5
[INFO] [stderr]   Downloaded ctor v0.1.19
[INFO] [stderr]   Downloaded futures-macro v0.3.12
[INFO] [stderr]   Downloaded http-types v2.10.0
[INFO] [stderr]   Downloaded tide v0.16.0
[INFO] [stderr]   Downloaded bytecount v0.6.2
[INFO] [stderr]   Downloaded rsass v0.16.0
[INFO] [stderr]   Downloaded sval v1.0.0-alpha.5
[INFO] [stderr]   Downloaded route-recognizer v0.2.0
[INFO] [stderr]   Downloaded shell-words v1.0.0
[INFO] [stderr]   Downloaded unchecked-index v0.2.2
[INFO] [stderr]   Downloaded typed-arena v1.7.0
[INFO] [stderr]   Downloaded unicode_categories v0.1.1
[INFO] [stderr]   Downloaded num-bigint v0.3.1
[INFO] [stderr]   Downloaded dtoa v0.4.7
[INFO] [stderr]   Downloaded bincode v1.3.1
[INFO] [stderr]   Downloaded async-session v2.0.1
[INFO] [stderr]   Downloaded nb-connect v1.0.3
[INFO] [stderr]   Downloaded async-process v1.0.2
[INFO] [stderr]   Downloaded futures-io v0.3.12
[INFO] [stderr]   Downloaded signal-hook v0.3.4
[INFO] [stderr]   Downloaded byte-pool v0.2.2
[INFO] [stderr]   Downloaded byteorder v1.4.2
[INFO] [stderr]   Downloaded async-sse v4.1.0
[INFO] [stderr]   Downloaded femme v2.1.1
[INFO] [stderr]   Downloaded ructe v0.13.0
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 825a2bd23f083b575d2b23ced3df67719ab51dd42af92324ca8725a6152d5361
[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" "825a2bd23f083b575d2b23ced3df67719ab51dd42af92324ca8725a6152d5361", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "825a2bd23f083b575d2b23ced3df67719ab51dd42af92324ca8725a6152d5361", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "825a2bd23f083b575d2b23ced3df67719ab51dd42af92324ca8725a6152d5361", kill_on_drop: false }`
[INFO] [stdout] 825a2bd23f083b575d2b23ced3df67719ab51dd42af92324ca8725a6152d5361
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c661f49ce3150b9b05fd3511de7fa06bc82e64ca27f6c57dcd18460d04cb65d
[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" "7c661f49ce3150b9b05fd3511de7fa06bc82e64ca27f6c57dcd18460d04cb65d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.123
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[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]     Checking event-listener v2.5.1
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[INFO] [stderr]     Checking cache-padded v1.1.1
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[INFO] [stderr]     Checking waker-fn v1.1.0
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[INFO] [stderr]     Checking matches v0.1.8
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[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]    Compiling const_fn v0.4.5
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[INFO] [stderr]    Compiling ucd-trie v0.1.3
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[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]     Checking entities v1.0.1
[INFO] [stderr]     Checking route-recognizer v0.2.0
[INFO] [stderr]     Checking dtoa v0.4.7
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[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling standback v0.2.15
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling time v0.2.25
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[INFO] [stderr]    Compiling num-integer v0.1.44
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[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
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[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking futures-task v0.3.12
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[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]     Checking slug v0.1.4
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling memchr v2.3.4
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[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking async-dup v1.2.2
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking twoway v0.2.1
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[INFO] [stderr]     Checking num_cpus v1.13.0
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[INFO] [stderr]     Checking atty v0.2.14
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[INFO] [stderr]     Checking universal-hash v0.4.0
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[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling blake3 v0.3.7
[INFO] [stderr]     Checking rand_core v0.5.1
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[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking nom_locate v2.1.0
[INFO] [stderr]     Checking rsass v0.16.0
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling ctor v0.1.19
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking ructe v0.13.0
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking comrak v0.9.1
[INFO] [stderr]     Checking futures-util v0.3.12
[INFO] [stderr]     Checking polling v2.0.2
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking async-io v1.3.1
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[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]     Checking async-process v1.0.2
[INFO] [stderr]     Checking async-std v1.9.0
[INFO] [stderr]    Compiling rblog v0.55.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde_qs v0.7.2
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking serde_yaml v0.8.17
[INFO] [stderr]     Checking async-session v2.0.1
[INFO] [stderr]     Checking femme v2.1.1
[INFO] [stderr]     Checking async-h1 v2.3.1
[INFO] [stderr]     Checking http-client v6.3.0
[INFO] [stderr]     Checking async-sse v4.1.0
[INFO] [stderr]     Checking tide v0.16.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 55s
[INFO] running `Command { std: "docker" "inspect" "7c661f49ce3150b9b05fd3511de7fa06bc82e64ca27f6c57dcd18460d04cb65d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c661f49ce3150b9b05fd3511de7fa06bc82e64ca27f6c57dcd18460d04cb65d", kill_on_drop: false }`
[INFO] [stdout] 7c661f49ce3150b9b05fd3511de7fa06bc82e64ca27f6c57dcd18460d04cb65d