[INFO] fetching crate multi_log 0.1.2...
[INFO] checking multi_log-0.1.2 against master#f5f33ec0e0455eefa72fc5567eb1280a4d5ee206 for pr-83312
[INFO] extracting crate multi_log 0.1.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate multi_log 0.1.2 on toolchain f5f33ec0e0455eefa72fc5567eb1280a4d5ee206
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate multi_log 0.1.2
[INFO] finished tweaking crates.io crate multi_log 0.1.2
[INFO] tweaked toml for crates.io crate multi_log 0.1.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2abc98bc91ca4f985a9ad9b27b4d5753a4cb8d88361e27a7d15056025c964bb
[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" "a2abc98bc91ca4f985a9ad9b27b4d5753a4cb8d88361e27a7d15056025c964bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2abc98bc91ca4f985a9ad9b27b4d5753a4cb8d88361e27a7d15056025c964bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2abc98bc91ca4f985a9ad9b27b4d5753a4cb8d88361e27a7d15056025c964bb", kill_on_drop: false }`
[INFO] [stdout] a2abc98bc91ca4f985a9ad9b27b4d5753a4cb8d88361e27a7d15056025c964bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6fced44b6d71723f0c7f5bb2c544e940935b00a60073f306fbf657d1c8c07a4d
[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" "6fced44b6d71723f0c7f5bb2c544e940935b00a60073f306fbf657d1c8c07a4d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking multi_log v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:25:22
[INFO] [stdout]    |
[INFO] [stdout] 25 |     loggers: Vec<Box<log::Log>>,
[INFO] [stdout]    |                      ^^^^^^^^ help: use `dyn`: `dyn log::Log`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:34:33
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn new(loggers: Vec<Box<log::Log>>) -> Self {
[INFO] [stdout]    |                                 ^^^^^^^^ help: use `dyn`: `dyn log::Log`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:48:34
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn init(loggers: Vec<Box<log::Log>>, level: log::Level) -> Result<(), log::SetLoggerError> {
[INFO] [stdout]    |                                  ^^^^^^^^ help: use `dyn`: `dyn log::Log`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking simplelog v0.5.3
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:25:22
[INFO] [stdout]    |
[INFO] [stdout] 25 |     loggers: Vec<Box<log::Log>>,
[INFO] [stdout]    |                      ^^^^^^^^ help: use `dyn`: `dyn log::Log`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:34:33
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn new(loggers: Vec<Box<log::Log>>) -> Self {
[INFO] [stdout]    |                                 ^^^^^^^^ help: use `dyn`: `dyn log::Log`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:48:34
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn init(loggers: Vec<Box<log::Log>>, level: log::Level) -> Result<(), log::SetLoggerError> {
[INFO] [stdout]    |                                  ^^^^^^^^ help: use `dyn`: `dyn log::Log`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.83s
[INFO] running `Command { std: "docker" "inspect" "6fced44b6d71723f0c7f5bb2c544e940935b00a60073f306fbf657d1c8c07a4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fced44b6d71723f0c7f5bb2c544e940935b00a60073f306fbf657d1c8c07a4d", kill_on_drop: false }`
[INFO] [stdout] 6fced44b6d71723f0c7f5bb2c544e940935b00a60073f306fbf657d1c8c07a4d