[INFO] fetching crate fastmod 0.4.0...
[INFO] checking fastmod-0.4.0 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate fastmod 0.4.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate fastmod 0.4.0 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 fastmod 0.4.0
[INFO] finished tweaking crates.io crate fastmod 0.4.0
[INFO] tweaked toml for crates.io crate fastmod 0.4.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate fastmod 0.4.0 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 grep-cli v0.1.4
[INFO] [stderr]   Downloaded grep v0.2.5
[INFO] [stderr]   Downloaded crossterm v0.17.1
[INFO] [stderr]   Downloaded grep-regex v0.1.7
[INFO] [stderr]   Downloaded grep-printer v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 4049a58f6215b541557bf34b8cd85f0d102d792b317f8e91747e1fba25b0967d
[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" "4049a58f6215b541557bf34b8cd85f0d102d792b317f8e91747e1fba25b0967d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4049a58f6215b541557bf34b8cd85f0d102d792b317f8e91747e1fba25b0967d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4049a58f6215b541557bf34b8cd85f0d102d792b317f8e91747e1fba25b0967d", kill_on_drop: false }`
[INFO] [stdout] 4049a58f6215b541557bf34b8cd85f0d102d792b317f8e91747e1fba25b0967d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 5ebd21f9783612ae9ff5abca86290209237ce4388db52f764f892059c98e88af
[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" "5ebd21f9783612ae9ff5abca86290209237ce4388db52f764f892059c98e88af", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]    Compiling encoding_rs v0.8.22
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]     Checking bytecount v0.6.0
[INFO] [stderr]     Checking arc-swap v0.4.5
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking predicates-core v1.0.0
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]     Checking rprompt v1.0.5
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking predicates v1.0.4
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]     Checking predicates-tree v1.0.0
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking serde_json v1.0.50
[INFO] [stderr]     Checking bstr v0.2.12
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking grep-matcher v0.1.4
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking assert_cmd v1.0.1
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking encoding_rs_io v0.1.7
[INFO] [stderr]     Checking signal-hook v0.1.13
[INFO] [stderr]     Checking grep-searcher v0.1.7
[INFO] [stderr]     Checking crossterm v0.17.1
[INFO] [stderr]     Checking regex v1.3.6
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]     Checking grep-regex v0.1.7
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]     Checking grep-cli v0.1.4
[INFO] [stderr]     Checking ignore v0.4.14
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]     Checking failure v0.1.7
[INFO] [stderr]     Checking grep-printer v0.1.4
[INFO] [stderr]     Checking grep v0.2.5
[INFO] [stderr]     Checking fastmod v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.88s
[INFO] running `Command { std: "docker" "inspect" "5ebd21f9783612ae9ff5abca86290209237ce4388db52f764f892059c98e88af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ebd21f9783612ae9ff5abca86290209237ce4388db52f764f892059c98e88af", kill_on_drop: false }`
[INFO] [stdout] 5ebd21f9783612ae9ff5abca86290209237ce4388db52f764f892059c98e88af