[INFO] fetching crate sigma-ser 0.2.2...
[INFO] checking sigma-ser-0.2.2 against try#e0f03aec47b100bc29555561bd62a99d1bc6aca5 for pr-86231
[INFO] extracting crate sigma-ser 0.2.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate sigma-ser 0.2.2 on toolchain e0f03aec47b100bc29555561bd62a99d1bc6aca5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sigma-ser 0.2.2
[INFO] finished tweaking crates.io crate sigma-ser 0.2.2
[INFO] tweaked toml for crates.io crate sigma-ser 0.2.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proptest-derive v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "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] 488a550c662b695b5d311a193ee6cb6ca7ee7f58dbc20bdb4aebffc5d0a10749
[INFO] running `Command { std: "docker" "start" "-a" "488a550c662b695b5d311a193ee6cb6ca7ee7f58dbc20bdb4aebffc5d0a10749", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "488a550c662b695b5d311a193ee6cb6ca7ee7f58dbc20bdb4aebffc5d0a10749", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "488a550c662b695b5d311a193ee6cb6ca7ee7f58dbc20bdb4aebffc5d0a10749", kill_on_drop: false }`
[INFO] [stdout] 488a550c662b695b5d311a193ee6cb6ca7ee7f58dbc20bdb4aebffc5d0a10749
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 6b12b5c3c9cfa2fcee932a98559450aaa4c1751cb7e206eb382b82e4f3240f8c
[INFO] running `Command { std: "docker" "start" "-a" "6b12b5c3c9cfa2fcee932a98559450aaa4c1751cb7e206eb382b82e4f3240f8c", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking bitvec v0.20.4
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking proptest v0.10.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling derive_more v0.99.14
[INFO] [stderr]     Checking thiserror v1.0.25
[INFO] [stderr]     Checking sigma-ser v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling proptest-derive v0.2.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.98s
[INFO] running `Command { std: "docker" "inspect" "6b12b5c3c9cfa2fcee932a98559450aaa4c1751cb7e206eb382b82e4f3240f8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b12b5c3c9cfa2fcee932a98559450aaa4c1751cb7e206eb382b82e4f3240f8c", kill_on_drop: false }`
[INFO] [stdout] 6b12b5c3c9cfa2fcee932a98559450aaa4c1751cb7e206eb382b82e4f3240f8c