[INFO] fetching crate pitchfork 0.0.1...
[INFO] checking pitchfork-0.0.1 against beta for pr-78714
[INFO] extracting crate pitchfork 0.0.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate pitchfork 0.0.1 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pitchfork 0.0.1
[INFO] finished tweaking crates.io crate pitchfork 0.0.1
[INFO] tweaked toml for crates.io crate pitchfork 0.0.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7658f16979ad40d63a7a7afc73d6772c6cba6e0b232d7c197b31380ef1bdb16d
[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" "7658f16979ad40d63a7a7afc73d6772c6cba6e0b232d7c197b31380ef1bdb16d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7658f16979ad40d63a7a7afc73d6772c6cba6e0b232d7c197b31380ef1bdb16d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7658f16979ad40d63a7a7afc73d6772c6cba6e0b232d7c197b31380ef1bdb16d", kill_on_drop: false }`
[INFO] [stdout] 7658f16979ad40d63a7a7afc73d6772c6cba6e0b232d7c197b31380ef1bdb16d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta" "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] 1677b71b3336c56fc282498df53a5aa8d6f16cd4ecab9ed20d112965edc0e8d3
[INFO] running `Command { std: "docker" "start" "-a" "1677b71b3336c56fc282498df53a5aa8d6f16cd4ecab9ed20d112965edc0e8d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking object v0.22.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking zeroize v0.9.3
[INFO] [stderr]     Checking canonical-path v2.0.2
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking generational-arena v0.2.8
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking signal-hook-registry v1.2.2
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking addr2line v0.14.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking backtrace v0.3.54
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]    Compiling darling_core v0.9.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling gumdrop_derive v0.6.0
[INFO] [stderr]    Compiling darling_macro v0.9.0
[INFO] [stderr]     Checking gumdrop v0.6.0
[INFO] [stderr]    Compiling darling v0.9.0
[INFO] [stderr]    Compiling abscissa_derive v0.3.0
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking secrecy v0.2.2
[INFO] [stderr]     Checking abscissa_core v0.3.0
[INFO] [stderr]     Checking pitchfork v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 30s
[INFO] running `Command { std: "docker" "inspect" "1677b71b3336c56fc282498df53a5aa8d6f16cd4ecab9ed20d112965edc0e8d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1677b71b3336c56fc282498df53a5aa8d6f16cd4ecab9ed20d112965edc0e8d3", kill_on_drop: false }`
[INFO] [stdout] 1677b71b3336c56fc282498df53a5aa8d6f16cd4ecab9ed20d112965edc0e8d3