[INFO] fetching crate chars 0.5.0...
[INFO] checking chars-0.5.0 against try#b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8 for pr-78363
[INFO] extracting crate chars 0.5.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate chars 0.5.0 on toolchain b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chars 0.5.0
[INFO] finished tweaking crates.io crate chars 0.5.0
[INFO] tweaked toml for crates.io crate chars 0.5.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate chars 0.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded chars_data v0.5.0
[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" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2951dcbd108a3b904d3de366d4a30eeba308508c80fd34c9324a4faae866f399
[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" "2951dcbd108a3b904d3de366d4a30eeba308508c80fd34c9324a4faae866f399", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2951dcbd108a3b904d3de366d4a30eeba308508c80fd34c9324a4faae866f399", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2951dcbd108a3b904d3de366d4a30eeba308508c80fd34c9324a4faae866f399", kill_on_drop: false }`
[INFO] [stdout] 2951dcbd108a3b904d3de366d4a30eeba308508c80fd34c9324a4faae866f399
[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" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8865840c16699abc30db3a890e05862b3ae51d449a944915f0b7e846a2caf76
[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" "a8865840c16699abc30db3a890e05862b3ae51d449a944915f0b7e846a2caf76", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling fst v0.4.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling unicode_names2 v0.4.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking bit-vec v0.5.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking bit-set v0.5.1
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking rusty-fork v0.2.2
[INFO] [stderr]    Compiling regex v1.3.5
[INFO] [stderr]     Checking proptest v0.9.5
[INFO] [stderr]    Compiling chars_data v0.5.0
[INFO] [stderr]    Compiling chars v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.87s
[INFO] running `Command { std: "docker" "inspect" "a8865840c16699abc30db3a890e05862b3ae51d449a944915f0b7e846a2caf76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8865840c16699abc30db3a890e05862b3ae51d449a944915f0b7e846a2caf76", kill_on_drop: false }`
[INFO] [stdout] a8865840c16699abc30db3a890e05862b3ae51d449a944915f0b7e846a2caf76