[INFO] fetching crate rtd 0.3.3...
[INFO] checking rtd-0.3.3 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate rtd 0.3.3 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate rtd 0.3.3 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] started tweaking crates.io crate rtd 0.3.3
[INFO] finished tweaking crates.io crate rtd 0.3.3
[INFO] tweaked toml for crates.io crate rtd 0.3.3 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate rtd 0.3.3 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 unicode-bidi v0.3.4
[INFO] [stderr]   Downloaded toml v0.5.6
[INFO] [stderr]   Downloaded aho-corasick v0.7.13
[INFO] [stderr]   Downloaded adler32 v1.1.0
[INFO] [stderr]   Downloaded regex-syntax v0.6.18
[INFO] [stderr]   Downloaded addr2line v0.12.2
[INFO] [stderr]   Downloaded rustc-demangle v0.1.16
[INFO] [stderr]   Downloaded syn v1.0.33
[INFO] [stderr]   Downloaded stdweb v0.4.20
[INFO] [stderr]   Downloaded bumpalo v3.4.0
[INFO] [stderr]   Downloaded sha1 v0.6.0
[INFO] [stderr]   Downloaded unicode-normalization v0.1.13
[INFO] [stderr]   Downloaded semver-parser v0.7.0
[INFO] [stderr]   Downloaded matches v0.1.8
[INFO] [stderr]   Downloaded miniz_oxide v0.3.7
[INFO] [stderr]   Downloaded percent-encoding v2.1.0
[INFO] [stderr]   Downloaded csv-core v0.1.10
[INFO] [stderr]   Downloaded encode_unicode v0.3.6
[INFO] [stderr]   Downloaded tinyvec v0.3.3
[INFO] [stderr]   Downloaded blake2b_simd v0.5.10
[INFO] [stderr]   Downloaded anyhow v1.0.31
[INFO] [stderr]   Downloaded walkdir v2.3.1
[INFO] [stderr]   Downloaded term v0.5.2
[INFO] [stderr]   Downloaded itoa v0.4.6
[INFO] [stderr]   Downloaded quote v1.0.7
[INFO] [stderr]   Downloaded dirs v2.0.2
[INFO] [stderr]   Downloaded num-integer v0.1.43
[INFO] [stderr]   Downloaded num-traits v0.2.12
[INFO] [stderr]   Downloaded chrono v0.4.13
[INFO] [stderr]   Downloaded url v2.1.1
[INFO] [stderr]   Downloaded gimli v0.21.0
[INFO] [stderr]   Downloaded redox_syscall v0.1.56
[INFO] [stderr]   Downloaded dirs-sys v0.3.5
[INFO] [stderr]   Downloaded version_check v0.9.2
[INFO] [stderr]   Downloaded csv v1.1.3
[INFO] [stderr]   Downloaded redox_users v0.3.4
[INFO] [stderr]   Downloaded fallible-iterator v0.2.0
[INFO] [stderr]   Downloaded fallible-streaming-iterator v0.1.9
[INFO] [stderr]   Downloaded vcpkg v0.2.10
[INFO] [stderr]   Downloaded lru-cache v0.1.2
[INFO] [stderr]   Downloaded serde_derive v1.0.114
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.64
[INFO] [stderr]   Downloaded regex-automata v0.1.9
[INFO] [stderr]   Downloaded base64 v0.11.0
[INFO] [stderr]   Downloaded crossbeam-utils v0.7.2
[INFO] [stderr]   Downloaded prettytable-rs v0.8.0
[INFO] [stderr]   Downloaded bstr v0.2.13
[INFO] [stderr]   Downloaded migrant_lib v0.28.0
[INFO] [stderr]   Downloaded libsqlite3-sys v0.17.3
[INFO] [stderr]   Downloaded same-file v1.0.6
[INFO] [stderr]   Downloaded winapi-util v0.1.5
[INFO] [stderr]   Downloaded dirs v1.0.5
[INFO] [stderr]   Downloaded time-macros-impl v0.1.1
[INFO] [stderr]   Downloaded semver v0.9.0
[INFO] [stderr]   Downloaded rustc_version v0.2.3
[INFO] [stderr]   Downloaded idna v0.2.0
[INFO] [stderr]   Downloaded hermit-abi v0.1.15
[INFO] [stderr]   Downloaded byteorder v1.3.4
[INFO] [stderr]   Downloaded wasi v0.9.0+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded getrandom v0.1.14
[INFO] [stderr]   Downloaded arrayref v0.3.6
[INFO] [stderr]   Downloaded arrayvec v0.5.1
[INFO] [stderr]   Downloaded constant_time_eq v0.1.5
[INFO] [stderr]   Downloaded autocfg v1.0.0
[INFO] [stderr]   Downloaded rust-argon2 v0.7.0
[INFO] [stderr]   Downloaded cc v1.0.57
[INFO] [stderr]   Downloaded pkg-config v0.3.17
[INFO] [stderr]   Downloaded linked-hash-map v0.5.3
[INFO] [stderr]   Downloaded memchr v2.3.3
[INFO] [stderr]   Downloaded rusqlite v0.21.0
[INFO] [stderr]   Downloaded discard v1.0.4
[INFO] [stderr]   Downloaded stdweb-derive v0.5.3
[INFO] [stderr]   Downloaded base-x v0.2.6
[INFO] [stderr]   Downloaded serde v1.0.114
[INFO] [stderr]   Downloaded serde_json v1.0.56
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.64
[INFO] [stderr]   Downloaded stdweb-internal-macros v0.2.9
[INFO] [stderr]   Downloaded stdweb-internal-runtime v0.1.5
[INFO] [stderr]   Downloaded standback v0.2.9
[INFO] [stderr]   Downloaded log v0.4.8
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.64
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.64
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.64
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.16
[INFO] [stderr]   Downloaded proc-macro2 v1.0.18
[INFO] [stderr]   Downloaded time-macros v0.1.0
[INFO] [stderr]   Downloaded regex v1.3.9
[INFO] [stderr]   Downloaded backtrace v0.3.49
[INFO] [stderr]   Downloaded error-chain v0.12.2
[INFO] [stderr]   Downloaded thread_local v1.0.1
[INFO] [stderr]   Downloaded object v0.20.0
[INFO] [stderr]   Downloaded time v0.2.16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] e8a3798015c17637e9e3ce49d719b51a27a01133e466311e688f36880d288e40
[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" "e8a3798015c17637e9e3ce49d719b51a27a01133e466311e688f36880d288e40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8a3798015c17637e9e3ce49d719b51a27a01133e466311e688f36880d288e40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8a3798015c17637e9e3ce49d719b51a27a01133e466311e688f36880d288e40", kill_on_drop: false }`
[INFO] [stdout] e8a3798015c17637e9e3ce49d719b51a27a01133e466311e688f36880d288e40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] d5286c123ef2d9ad386f2ecc22f5a0a751f279bf5039ee8a810ee4bfb4dbed12
[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" "d5286c123ef2d9ad386f2ecc22f5a0a751f279bf5039ee8a810ee4bfb4dbed12", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]     Checking gimli v0.21.0
[INFO] [stderr]     Checking adler32 v1.1.0
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]    Compiling standback v0.2.9
[INFO] [stderr]    Compiling libsqlite3-sys v0.17.3
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]    Compiling time v0.2.16
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking serde_json v1.0.56
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]     Checking addr2line v0.12.2
[INFO] [stderr]     Checking backtrace v0.3.49
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking time-macros v0.1.0
[INFO] [stderr]     Checking rusqlite v0.21.0
[INFO] [stderr]     Checking migrant_lib v0.28.0
[INFO] [stderr]     Checking rtd v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.79s
[INFO] running `Command { std: "docker" "inspect" "d5286c123ef2d9ad386f2ecc22f5a0a751f279bf5039ee8a810ee4bfb4dbed12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5286c123ef2d9ad386f2ecc22f5a0a751f279bf5039ee8a810ee4bfb4dbed12", kill_on_drop: false }`
[INFO] [stdout] d5286c123ef2d9ad386f2ecc22f5a0a751f279bf5039ee8a810ee4bfb4dbed12