[INFO] fetching crate rair 0.1.0...
[INFO] checking rair-0.1.0 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate rair 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate rair 0.1.0 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rair 0.1.0
[INFO] finished tweaking crates.io crate rair 0.1.0
[INFO] tweaked toml for crates.io crate rair 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate rair 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rcore v0.1.0
[INFO] [stderr]   Downloaded rcmd v0.1.0
[INFO] [stderr]   Downloaded rustyline v5.0.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42240a15c4a67bae2ea03176748728a1e1f77fd3d9604753639d7434ea9c92d4
[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" "42240a15c4a67bae2ea03176748728a1e1f77fd3d9604753639d7434ea9c92d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42240a15c4a67bae2ea03176748728a1e1f77fd3d9604753639d7434ea9c92d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42240a15c4a67bae2ea03176748728a1e1f77fd3d9604753639d7434ea9c92d4", kill_on_drop: false }`
[INFO] [stdout] 42240a15c4a67bae2ea03176748728a1e1f77fd3d9604753639d7434ea9c92d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a7efb38a3aba074aee12ae83570804e22a16104d220bbac6b0c0695663ca3a4
[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" "0a7efb38a3aba074aee12ae83570804e22a16104d220bbac6b0c0695663ca3a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking half v1.4.0
[INFO] [stderr]     Checking yansi v0.5.0
[INFO] [stderr]     Checking utf8parse v0.1.1
[INFO] [stderr]     Checking rair-env v0.1.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling nom v5.0.1
[INFO] [stderr]     Checking miniz_oxide v0.3.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]    Compiling pest_meta v2.1.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling lexical-core v0.4.6
[INFO] [stderr]    Compiling err-derive v0.2.1
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]     Checking rustyline v5.0.5
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling pest_generator v2.1.1
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling rustyline-derive v0.2.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking rcmd v0.1.0
[INFO] [stderr]     Checking rtrees v0.1.0
[INFO] [stderr]     Checking serde_cbor v0.10.2
[INFO] [stderr]     Checking rair-io v0.1.0
[INFO] [stderr]     Checking rcore v0.1.0
[INFO] [stderr]     Checking rair v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 15s
[INFO] running `Command { std: "docker" "inspect" "0a7efb38a3aba074aee12ae83570804e22a16104d220bbac6b0c0695663ca3a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a7efb38a3aba074aee12ae83570804e22a16104d220bbac6b0c0695663ca3a4", kill_on_drop: false }`
[INFO] [stdout] 0a7efb38a3aba074aee12ae83570804e22a16104d220bbac6b0c0695663ca3a4