[INFO] fetching crate artifact 0.2.4...
[INFO] checking artifact-0.2.4 against beta-2020-07-24 for pr-75494-beta
[INFO] extracting crate artifact 0.2.4 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate artifact 0.2.4 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate artifact 0.2.4
[INFO] finished tweaking crates.io crate artifact 0.2.4
[INFO] tweaked toml for crates.io crate artifact 0.2.4 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9906e7069897b36ab7fad71b2d245646cc9459e4142348b00efac8775074c796
[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" "9906e7069897b36ab7fad71b2d245646cc9459e4142348b00efac8775074c796", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9906e7069897b36ab7fad71b2d245646cc9459e4142348b00efac8775074c796", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9906e7069897b36ab7fad71b2d245646cc9459e4142348b00efac8775074c796", kill_on_drop: false }`
[INFO] [stdout] 9906e7069897b36ab7fad71b2d245646cc9459e4142348b00efac8775074c796
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] db2c92e0762b7157807d3ad2520fc14e9be7e1b8f7286c7f93bd80666bc5e540
[INFO] running `Command { std: "docker" "start" "-a" "db2c92e0762b7157807d3ad2520fc14e9be7e1b8f7286c7f93bd80666bc5e540", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]     Checking lazy_static v0.1.16
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking artifact v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/logger.rs:68:41
[INFO] [stdout]    |
[INFO] [stdout] 68 |   pub fn set_default_formatter(fmtr:Box<MessageFormatter>) {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[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/logger.rs:152:43
[INFO] [stdout]     |
[INFO] [stdout] 152 |   pub fn set_format(&self, formatter: Box<MessageFormatter>) {
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/format.rs:86:43
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub fn new_basic_format_instance() -> Box<MessageFormatter> {
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/internal/task.rs:62:28
[INFO] [stdout]    |
[INFO] [stdout] 62 |   SetFormatter(String, Box<MessageFormatter>),
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/internal/task.rs:63:27
[INFO] [stdout]    |
[INFO] [stdout] 63 |   SetDefaultFormatter(Box<MessageFormatter>),
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/internal/task.rs:80:35
[INFO] [stdout]    |
[INFO] [stdout] 80 |   formatters: HashMap<String, Box<MessageFormatter>>,
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/internal/task.rs:81:26
[INFO] [stdout]    |
[INFO] [stdout] 81 |   default_formatter: Box<MessageFormatter>,
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/internal/task.rs:135:63
[INFO] [stdout]     |
[INFO] [stdout] 135 |   fn get_formatter<'a>(&'a self, logger_name:&str) -> &'a Box<MessageFormatter> {
[INFO] [stdout]     |                                                               ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/logger.rs:68:41
[INFO] [stdout]    |
[INFO] [stdout] 68 |   pub fn set_default_formatter(fmtr:Box<MessageFormatter>) {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[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/logger.rs:152:43
[INFO] [stdout]     |
[INFO] [stdout] 152 |   pub fn set_format(&self, formatter: Box<MessageFormatter>) {
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/format.rs:86:43
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub fn new_basic_format_instance() -> Box<MessageFormatter> {
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/internal/task.rs:62:28
[INFO] [stdout]    |
[INFO] [stdout] 62 |   SetFormatter(String, Box<MessageFormatter>),
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/internal/task.rs:63:27
[INFO] [stdout]    |
[INFO] [stdout] 63 |   SetDefaultFormatter(Box<MessageFormatter>),
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/internal/task.rs:80:35
[INFO] [stdout]    |
[INFO] [stdout] 80 |   formatters: HashMap<String, Box<MessageFormatter>>,
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/internal/task.rs:81:26
[INFO] [stdout]    |
[INFO] [stdout] 81 |   default_formatter: Box<MessageFormatter>,
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/internal/task.rs:135:63
[INFO] [stdout]     |
[INFO] [stdout] 135 |   fn get_formatter<'a>(&'a self, logger_name:&str) -> &'a Box<MessageFormatter> {
[INFO] [stdout]     |                                                               ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> src/internal/comm.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | / lazy_static!(
[INFO] [stdout] 34 | |   static ref GLOBAL_LOGGER_ACCESS: Mutex<Option<Artifact>> = Mutex::new(None);
[INFO] [stdout] 35 | | );
[INFO] [stdout]    | |__^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> src/internal/comm.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | / lazy_static!(
[INFO] [stdout] 34 | |   static ref GLOBAL_LOGGER_ACCESS: Mutex<Option<Artifact>> = Mutex::new(None);
[INFO] [stdout] 35 | | );
[INFO] [stdout]    | |__^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> src/internal/comm.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | / lazy_static!(
[INFO] [stdout] 34 | |   static ref GLOBAL_LOGGER_ACCESS: Mutex<Option<Artifact>> = Mutex::new(None);
[INFO] [stdout] 35 | | );
[INFO] [stdout]    | |__^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> src/internal/comm.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | / lazy_static!(
[INFO] [stdout] 34 | |   static ref GLOBAL_LOGGER_ACCESS: Mutex<Option<Artifact>> = Mutex::new(None);
[INFO] [stdout] 35 | | );
[INFO] [stdout]    | |__^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/file_log.rs:27:48
[INFO] [stdout]    |
[INFO] [stdout] 27 |   logger.set_format(Box::new(FooFormat) as Box<MessageFormatter>);
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[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/bin/file_log.rs:30:60
[INFO] [stdout]    |
[INFO] [stdout] 30 |   Logger::set_default_formatter(Box::new(FooFormat) as Box<MessageFormatter>);
[INFO] [stdout]    |                                                            ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/multi_logger.rs:39:54
[INFO] [stdout]    |
[INFO] [stdout] 39 |   multi_logger.set_format(Box::new(MultiForm) as Box<MessageFormatter>);
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[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/bin/file_log.rs:27:48
[INFO] [stdout]    |
[INFO] [stdout] 27 |   logger.set_format(Box::new(FooFormat) as Box<MessageFormatter>);
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/file_log.rs:30:60
[INFO] [stdout]    |
[INFO] [stdout] 30 |   Logger::set_default_formatter(Box::new(FooFormat) as Box<MessageFormatter>);
[INFO] [stdout]    |                                                            ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/multi_logger.rs:39:54
[INFO] [stdout]    |
[INFO] [stdout] 39 |   multi_logger.set_format(Box::new(MultiForm) as Box<MessageFormatter>);
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.79s
[INFO] running `Command { std: "docker" "inspect" "db2c92e0762b7157807d3ad2520fc14e9be7e1b8f7286c7f93bd80666bc5e540", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db2c92e0762b7157807d3ad2520fc14e9be7e1b8f7286c7f93bd80666bc5e540", kill_on_drop: false }`
[INFO] [stdout] db2c92e0762b7157807d3ad2520fc14e9be7e1b8f7286c7f93bd80666bc5e540
