[INFO] updating cached repository shvetsovdm/rust_sandbox [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/shvetsovdm/rust_sandbox [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/shvetsovdm/rust_sandbox" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/shvetsovdm/rust_sandbox"` [INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/shvetsovdm/rust_sandbox'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/shvetsovdm/rust_sandbox" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/shvetsovdm/rust_sandbox"` [INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/shvetsovdm/rust_sandbox'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 9674e1cd4d16adbb14e9de1363a2f4fe6e7c7394 [INFO] sha for GitHub repo shvetsovdm/rust_sandbox: 9674e1cd4d16adbb14e9de1363a2f4fe6e7c7394 [INFO] validating manifest of shvetsovdm/rust_sandbox 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 shvetsovdm/rust_sandbox 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 shvetsovdm/rust_sandbox [INFO] finished frobbing shvetsovdm/rust_sandbox [INFO] frobbed toml for shvetsovdm/rust_sandbox written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/shvetsovdm/rust_sandbox/Cargo.toml [INFO] started frobbing shvetsovdm/rust_sandbox [INFO] finished frobbing shvetsovdm/rust_sandbox [INFO] frobbed toml for shvetsovdm/rust_sandbox written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/shvetsovdm/rust_sandbox/Cargo.toml [INFO] crate shvetsovdm/rust_sandbox already has a lockfile, it will not be regenerated [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 shvetsovdm/rust_sandbox against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-3/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/shvetsovdm/rust_sandbox:/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] 5fd1e42ed4f107c2237f620b04fd83c07fcaadffe0784f432299c29ba3d3b4fc [INFO] running `"docker" "start" "-a" "5fd1e42ed4f107c2237f620b04fd83c07fcaadffe0784f432299c29ba3d3b4fc"` [INFO] [stderr] Checking rust_sandbox v0.0.1 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/structs_and_trait.rs:29:22 [INFO] [stderr] | [INFO] [stderr] 29 | weapon: &'weapon Weapon, [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Weapon` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `run` [INFO] [stderr] --> src/thread_and_channel_1.rs:6:1 [INFO] [stderr] | [INFO] [stderr] 6 | pub fn run() { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `run` [INFO] [stderr] --> src/non_blocking_io.rs:6:1 [INFO] [stderr] | [INFO] [stderr] 6 | pub fn run() { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `run` [INFO] [stderr] --> src/string_match.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn run() { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `Str` [INFO] [stderr] --> src/string_match.rs:23:1 [INFO] [stderr] | [INFO] [stderr] 23 | enum Str<'str> { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Stick` [INFO] [stderr] --> src/structs_and_trait.rs:6:1 [INFO] [stderr] | [INFO] [stderr] 6 | struct Stick { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/structs_and_trait.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | fn new() -> Stick { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Character` [INFO] [stderr] --> src/structs_and_trait.rs:27:1 [INFO] [stderr] | [INFO] [stderr] 27 | struct Character<'weapon> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `run` [INFO] [stderr] --> src/structs_and_trait.rs:32:1 [INFO] [stderr] | [INFO] [stderr] 32 | pub fn run() { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/structs_and_trait.rs:29:22 [INFO] [stderr] | [INFO] [stderr] 29 | weapon: &'weapon Weapon, [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Weapon` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `run` [INFO] [stderr] --> src/thread_and_channel_1.rs:6:1 [INFO] [stderr] | [INFO] [stderr] 6 | pub fn run() { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `run` [INFO] [stderr] --> src/non_blocking_io.rs:6:1 [INFO] [stderr] | [INFO] [stderr] 6 | pub fn run() { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `run` [INFO] [stderr] --> src/string_match.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn run() { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `Str` [INFO] [stderr] --> src/string_match.rs:23:1 [INFO] [stderr] | [INFO] [stderr] 23 | enum Str<'str> { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Stick` [INFO] [stderr] --> src/structs_and_trait.rs:6:1 [INFO] [stderr] | [INFO] [stderr] 6 | struct Stick { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/structs_and_trait.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | fn new() -> Stick { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Character` [INFO] [stderr] --> src/structs_and_trait.rs:27:1 [INFO] [stderr] | [INFO] [stderr] 27 | struct Character<'weapon> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `run` [INFO] [stderr] --> src/structs_and_trait.rs:32:1 [INFO] [stderr] | [INFO] [stderr] 32 | pub fn run() { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.76s [INFO] running `"docker" "inspect" "5fd1e42ed4f107c2237f620b04fd83c07fcaadffe0784f432299c29ba3d3b4fc"` [INFO] running `"docker" "rm" "-f" "5fd1e42ed4f107c2237f620b04fd83c07fcaadffe0784f432299c29ba3d3b4fc"` [INFO] [stdout] 5fd1e42ed4f107c2237f620b04fd83c07fcaadffe0784f432299c29ba3d3b4fc