[INFO] crate subcmd 0.1.0 is already in cache
[INFO] extracting crate subcmd 0.1.0 into work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/subcmd/0.1.0
[INFO] extracting crate subcmd 0.1.0 into work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/subcmd/0.1.0
[INFO] validating manifest of subcmd-0.1.0 on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of subcmd-0.1.0 on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing subcmd-0.1.0
[INFO] finished frobbing subcmd-0.1.0
[INFO] frobbed toml for subcmd-0.1.0 written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/subcmd/0.1.0/Cargo.toml
[INFO] started frobbing subcmd-0.1.0
[INFO] finished frobbing subcmd-0.1.0
[INFO] frobbed toml for subcmd-0.1.0 written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/subcmd/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking subcmd-0.1.0 against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-5/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/subcmd/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f7486c1956d8f0b92c462367fd6129f9ccf25fc8c1139c47a308b5f1c62601f1
[INFO] running `"docker" "start" "-a" "f7486c1956d8f0b92c462367fd6129f9ccf25fc8c1139c47a308b5f1c62601f1"`
[INFO] [stderr]     Checking tabwriter v0.1.25
[INFO] [stderr]     Checking subcmd v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/handler.rs:37:23
[INFO] [stderr]    |
[INFO] [stderr] 37 |     commands: Vec<Box<Command>>,
[INFO] [stderr]    |                       ^^^^^^^ help: use `dyn`: `dyn Command`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/handler.rs:75:40
[INFO] [stderr]    |
[INFO] [stderr] 75 |     pub fn add(&mut self, command: Box<Command>) {
[INFO] [stderr]    |                                        ^^^^^^^ help: use `dyn`: `dyn Command`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/handler.rs:177:38
[INFO] [stderr]     |
[INFO] [stderr] 177 |         let mut sim_cmd: Option<&Box<Command>> = None;
[INFO] [stderr]     |                                      ^^^^^^^ help: use `dyn`: `dyn Command`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/wrapper.rs:12:14
[INFO] [stderr]    |
[INFO] [stderr] 12 |     cmd: Box<Command>,
[INFO] [stderr]    |              ^^^^^^^ help: use `dyn`: `dyn Command`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/wrapper.rs:18:25
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn new(cmd: Box<Command>, args: Vec<String>) -> CmdWrapper {
[INFO] [stderr]    |                         ^^^^^^^ help: use `dyn`: `dyn Command`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/wrapper.rs:46:32
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub fn unwrap(self) -> Box<Command> {
[INFO] [stderr]    |                                ^^^^^^^ help: use `dyn`: `dyn Command`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `argv`
[INFO] [stderr]    --> src/handler.rs:237:23
[INFO] [stderr]     |
[INFO] [stderr] 237 |         fn run(&self, argv: &Vec<String>) {
[INFO] [stderr]     |                       ^^^^ help: consider prefixing with an underscore: `_argv`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `argv`
[INFO] [stderr]    --> src/handler.rs:254:23
[INFO] [stderr]     |
[INFO] [stderr] 254 |         fn run(&self, argv: &Vec<String>) {
[INFO] [stderr]     |                       ^^^^ help: consider prefixing with an underscore: `_argv`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `FakeCmdRunCalled` should have an upper case name
[INFO] [stderr]   --> src/wrapper.rs:57:16
[INFO] [stderr]    |
[INFO] [stderr] 57 |     static mut FakeCmdRunCalled: bool = false;
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `FAKE_CMD_RUN_CALLED`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/handler.rs:37:23
[INFO] [stderr]    |
[INFO] [stderr] 37 |     commands: Vec<Box<Command>>,
[INFO] [stderr]    |                       ^^^^^^^ help: use `dyn`: `dyn Command`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/handler.rs:75:40
[INFO] [stderr]    |
[INFO] [stderr] 75 |     pub fn add(&mut self, command: Box<Command>) {
[INFO] [stderr]    |                                        ^^^^^^^ help: use `dyn`: `dyn Command`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/handler.rs:177:38
[INFO] [stderr]     |
[INFO] [stderr] 177 |         let mut sim_cmd: Option<&Box<Command>> = None;
[INFO] [stderr]     |                                      ^^^^^^^ help: use `dyn`: `dyn Command`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/wrapper.rs:12:14
[INFO] [stderr]    |
[INFO] [stderr] 12 |     cmd: Box<Command>,
[INFO] [stderr]    |              ^^^^^^^ help: use `dyn`: `dyn Command`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/wrapper.rs:18:25
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn new(cmd: Box<Command>, args: Vec<String>) -> CmdWrapper {
[INFO] [stderr]    |                         ^^^^^^^ help: use `dyn`: `dyn Command`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/wrapper.rs:46:32
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub fn unwrap(self) -> Box<Command> {
[INFO] [stderr]    |                                ^^^^^^^ help: use `dyn`: `dyn Command`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `"docker" "inspect" "f7486c1956d8f0b92c462367fd6129f9ccf25fc8c1139c47a308b5f1c62601f1"`
[INFO] running `"docker" "rm" "-f" "f7486c1956d8f0b92c462367fd6129f9ccf25fc8c1139c47a308b5f1c62601f1"`
[INFO] [stdout] f7486c1956d8f0b92c462367fd6129f9ccf25fc8c1139c47a308b5f1c62601f1