[INFO] cloning repository https://github.com/Metaswitch/floki
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Metaswitch/floki" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMetaswitch%2Ffloki", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMetaswitch%2Ffloki'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d650e43a00f2f736a39d1c50aebbfa33404b7940
[INFO] checking Metaswitch/floki against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMetaswitch%2Ffloki" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Metaswitch/floki 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 git repo https://github.com/Metaswitch/floki
[INFO] finished tweaking git repo https://github.com/Metaswitch/floki
[INFO] tweaked toml for git repo https://github.com/Metaswitch/floki written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/Metaswitch/floki 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 ignore v0.4.16
[INFO] [stderr]   Downloaded clap-verbosity-flag v0.2.0
[INFO] [stderr]   Downloaded adler v0.2.2
[INFO] [stderr]   Downloaded simplelog v0.8.0
[INFO] [stderr]   Downloaded proc-macro-error v1.0.3
[INFO] [stderr]   Downloaded globwalk v0.3.1
[INFO] [stderr]   Downloaded quicli v0.4.0
[INFO] [stderr]   Downloaded exitfailure v0.5.1
[INFO] [stderr]   Downloaded globset v0.4.5
[INFO] [stderr]   Downloaded proc-macro-error-attr v1.0.3
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 104ee3bddabc16d0ed77c07741b9cc2ff89d67e32634742be3f1b697df3380e1
[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" "104ee3bddabc16d0ed77c07741b9cc2ff89d67e32634742be3f1b697df3380e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "104ee3bddabc16d0ed77c07741b9cc2ff89d67e32634742be3f1b697df3380e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "104ee3bddabc16d0ed77c07741b9cc2ff89d67e32634742be3f1b697df3380e1", kill_on_drop: false }`
[INFO] [stdout] 104ee3bddabc16d0ed77c07741b9cc2ff89d67e32634742be3f1b697df3380e1
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 752b966e26ee24eaa530e60a076a0473f5782baf995e97175375eff6cb67bd29
[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" "752b966e26ee24eaa530e60a076a0473f5782baf995e97175375eff6cb67bd29", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking simplelog v0.8.0
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking ignore v0.4.16
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking globwalk v0.3.1
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]    Compiling structopt-derive v0.4.11
[INFO] [stderr]     Checking clap-verbosity-flag v0.2.0
[INFO] [stderr]     Checking exitfailure v0.5.1
[INFO] [stderr]     Checking structopt v0.3.18
[INFO] [stderr]     Checking quicli v0.4.0
[INFO] [stderr]     Checking floki v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 36s
[INFO] running `Command { std: "docker" "inspect" "752b966e26ee24eaa530e60a076a0473f5782baf995e97175375eff6cb67bd29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "752b966e26ee24eaa530e60a076a0473f5782baf995e97175375eff6cb67bd29", kill_on_drop: false }`
[INFO] [stdout] 752b966e26ee24eaa530e60a076a0473f5782baf995e97175375eff6cb67bd29