[INFO] fetching crate fastmod 0.4.1...
[INFO] checking fastmod-0.4.1 against try#9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c for pr-79472
[INFO] extracting crate fastmod 0.4.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate fastmod 0.4.1 on toolchain 9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fastmod 0.4.1
[INFO] finished tweaking crates.io crate fastmod 0.4.1
[INFO] tweaked toml for crates.io crate fastmod 0.4.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate fastmod 0.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded diff v0.1.12
[INFO] [stderr]   Downloaded mio v0.7.3
[INFO] [stderr]   Downloaded encoding_rs_io v0.1.7
[INFO] [stderr]   Downloaded grep-printer v0.1.5
[INFO] [stderr]   Downloaded grep-matcher v0.1.4
[INFO] [stderr]   Downloaded rprompt v1.0.5
[INFO] [stderr]   Downloaded grep-cli v0.1.5
[INFO] [stderr]   Downloaded grep-regex v0.1.8
[INFO] [stderr]   Downloaded syn v1.0.44
[INFO] [stderr]   Downloaded bytecount v0.6.0
[INFO] [stderr]   Downloaded grep v0.2.7
[INFO] [stderr]   Downloaded grep-searcher v0.1.7
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "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] 35f4d5f73ece0bc6387c3dd225b130b17295630014b3632b826b65d8b3131ba0
[INFO] running `Command { std: "docker" "start" "-a" "35f4d5f73ece0bc6387c3dd225b130b17295630014b3632b826b65d8b3131ba0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35f4d5f73ece0bc6387c3dd225b130b17295630014b3632b826b65d8b3131ba0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35f4d5f73ece0bc6387c3dd225b130b17295630014b3632b826b65d8b3131ba0", kill_on_drop: false }`
[INFO] [stdout] 35f4d5f73ece0bc6387c3dd225b130b17295630014b3632b826b65d8b3131ba0
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9323d07d9e60a83496b52e4faafc614c45a8f37ab8ed43cb1ab306e25aa37c5
[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" "a9323d07d9e60a83496b52e4faafc614c45a8f37ab8ed43cb1ab306e25aa37c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling encoding_rs v0.8.24
[INFO] [stderr]     Checking regex-syntax v0.6.20
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking bytecount v0.6.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling anyhow v1.0.33
[INFO] [stderr]     Checking predicates-core v1.0.0
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking ryu v1.0.5
[INFO] [stderr]     Checking predicates-tree v1.0.0
[INFO] [stderr]     Checking predicates v1.0.5
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking aho-corasick v0.7.14
[INFO] [stderr]     Checking grep-matcher v0.1.4
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking mio v0.7.3
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking assert_cmd v1.0.1
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking crossterm v0.17.7
[INFO] [stderr]     Checking encoding_rs_io v0.1.7
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking grep-searcher v0.1.7
[INFO] [stderr]     Checking regex v1.4.1
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]     Checking grep-regex v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]     Checking grep-cli v0.1.5
[INFO] [stderr]     Checking ignore v0.4.16
[INFO] [stderr]     Checking grep-printer v0.1.5
[INFO] [stderr]     Checking grep v0.2.7
[INFO] [stderr]     Checking fastmod v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.52s
[INFO] running `Command { std: "docker" "inspect" "a9323d07d9e60a83496b52e4faafc614c45a8f37ab8ed43cb1ab306e25aa37c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9323d07d9e60a83496b52e4faafc614c45a8f37ab8ed43cb1ab306e25aa37c5", kill_on_drop: false }`
[INFO] [stdout] a9323d07d9e60a83496b52e4faafc614c45a8f37ab8ed43cb1ab306e25aa37c5