[INFO] crate log 0.4.8 is already in cache
[INFO] checking log-0.4.8 against try#0ab79c4b48ad19260fa46623f452c1b403a360e8 for pr-74315
[INFO] extracting crate log 0.4.8 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate log 0.4.8 on toolchain 0ab79c4b48ad19260fa46623f452c1b403a360e8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate log 0.4.8
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate log 0.4.8
[INFO] tweaked toml for crates.io crate log 0.4.8 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "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] 066f6107275a088317ac2413deb39d84feeb315fb312dfcb2a61b068a7700c87
[INFO] running `Command { std: "docker" "start" "-a" "066f6107275a088317ac2413deb39d84feeb315fb312dfcb2a61b068a7700c87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "066f6107275a088317ac2413deb39d84feeb315fb312dfcb2a61b068a7700c87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "066f6107275a088317ac2413deb39d84feeb315fb312dfcb2a61b068a7700c87", kill_on_drop: false }`
[INFO] [stdout] 066f6107275a088317ac2413deb39d84feeb315fb312dfcb2a61b068a7700c87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a959e9e1b6bc1a05e2b3aab2c15a93a5ceb0079f37c8fb2a94d37d6478af84d
[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" "4a959e9e1b6bc1a05e2b3aab2c15a93a5ceb0079f37c8fb2a94d37d6478af84d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling log v0.4.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking sval v0.4.7
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:309:29
[INFO] [stdout]     |
[INFO] [stdout] 309 | static mut LOGGER: &'static Log = &NopLogger;
[INFO] [stdout]     |                             ^^^ help: use `dyn`: `dyn 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:1271:36
[INFO] [stdout]      |
[INFO] [stdout] 1271 | pub fn set_logger(logger: &'static Log) -> Result<(), SetLoggerError> {
[INFO] [stdout]      |                                    ^^^ help: use `dyn`: `dyn Log`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1278:29
[INFO] [stdout]      |
[INFO] [stdout] 1278 |     F: FnOnce() -> &'static Log,
[INFO] [stdout]      |                             ^^^ help: use `dyn`: `dyn Log`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1315:48
[INFO] [stdout]      |
[INFO] [stdout] 1315 | pub unsafe fn set_logger_racy(logger: &'static Log) -> Result<(), SetLoggerError> {
[INFO] [stdout]      |                                                ^^^ help: use `dyn`: `dyn Log`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1375:29
[INFO] [stdout]      |
[INFO] [stdout] 1375 | pub fn logger() -> &'static Log {
[INFO] [stdout]      |                             ^^^ help: use `dyn`: `dyn Log`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking serde_test v1.0.114
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/filters.rs:11:33
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn set_boxed_logger(logger: Box<Log>) -> Result<(), log::SetLoggerError> {
[INFO] [stdout]    |                                 ^^^ help: use `dyn`: `dyn 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:309:29
[INFO] [stdout]     |
[INFO] [stdout] 309 | static mut LOGGER: &'static Log = &NopLogger;
[INFO] [stdout]     |                             ^^^ help: use `dyn`: `dyn 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:1271:36
[INFO] [stdout]      |
[INFO] [stdout] 1271 | pub fn set_logger(logger: &'static Log) -> Result<(), SetLoggerError> {
[INFO] [stdout]      |                                    ^^^ help: use `dyn`: `dyn Log`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1278:29
[INFO] [stdout]      |
[INFO] [stdout] 1278 |     F: FnOnce() -> &'static Log,
[INFO] [stdout]      |                             ^^^ help: use `dyn`: `dyn Log`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1315:48
[INFO] [stdout]      |
[INFO] [stdout] 1315 | pub unsafe fn set_logger_racy(logger: &'static Log) -> Result<(), SetLoggerError> {
[INFO] [stdout]      |                                                ^^^ help: use `dyn`: `dyn Log`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1375:29
[INFO] [stdout]      |
[INFO] [stdout] 1375 | pub fn logger() -> &'static Log {
[INFO] [stdout]      |                             ^^^ help: use `dyn`: `dyn Log`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.38s
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4a959e9e1b6bc1a05e2b3aab2c15a93a5ceb0079f37c8fb2a94d37d6478af84d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a959e9e1b6bc1a05e2b3aab2c15a93a5ceb0079f37c8fb2a94d37d6478af84d", kill_on_drop: false }`
[INFO] [stdout] 4a959e9e1b6bc1a05e2b3aab2c15a93a5ceb0079f37c8fb2a94d37d6478af84d