[INFO] fetching crate multi_log 0.1.2...
[INFO] checking multi_log-0.1.2 against master#d902752866cbbdb331e3cf28ff6bba86ab0f6c62 for pr-77271
[INFO] extracting crate multi_log 0.1.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate multi_log 0.1.2 on toolchain d902752866cbbdb331e3cf28ff6bba86ab0f6c62
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "read-manifest" "--manifest-path" "Cargo.toml", 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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f073782d6d14abd3e45e7f76ba27d175d0b6d01c0849f3e2045398a2be10ab3f
[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" "f073782d6d14abd3e45e7f76ba27d175d0b6d01c0849f3e2045398a2be10ab3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f073782d6d14abd3e45e7f76ba27d175d0b6d01c0849f3e2045398a2be10ab3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f073782d6d14abd3e45e7f76ba27d175d0b6d01c0849f3e2045398a2be10ab3f", kill_on_drop: false }`
[INFO] [stdout] f073782d6d14abd3e45e7f76ba27d175d0b6d01c0849f3e2045398a2be10ab3f
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7631aaf6b40dab8e78ef606e30813a1e2b650577ee3c0c24d66e0323ec1d2d0
[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" "b7631aaf6b40dab8e78ef606e30813a1e2b650577ee3c0c24d66e0323ec1d2d0", kill_on_drop: false }`
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]    Compiling num-traits v0.2.12
[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 term v0.5.2
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking num-integer v0.1.43
[INFO] [stderr]     Checking chrono v0.4.18
[INFO] [stderr]     Checking simplelog v0.5.3
[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 6.42s
[INFO] running `Command { std: "docker" "inspect" "b7631aaf6b40dab8e78ef606e30813a1e2b650577ee3c0c24d66e0323ec1d2d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7631aaf6b40dab8e78ef606e30813a1e2b650577ee3c0c24d66e0323ec1d2d0", kill_on_drop: false }`
[INFO] [stdout] b7631aaf6b40dab8e78ef606e30813a1e2b650577ee3c0c24d66e0323ec1d2d0