[INFO] fetching crate kg-io 0.1.1...
[INFO] checking kg-io-0.1.1 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] extracting crate kg-io 0.1.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate kg-io 0.1.1 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kg-io 0.1.1
[INFO] finished tweaking crates.io crate kg-io 0.1.1
[INFO] tweaked toml for crates.io crate kg-io 0.1.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7c1cdd1b669272ed90ee1f21cc096905973d804b78f666e30b3759378e25e98
[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" "a7c1cdd1b669272ed90ee1f21cc096905973d804b78f666e30b3759378e25e98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7c1cdd1b669272ed90ee1f21cc096905973d804b78f666e30b3759378e25e98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7c1cdd1b669272ed90ee1f21cc096905973d804b78f666e30b3759378e25e98", kill_on_drop: false }`
[INFO] [stdout] a7c1cdd1b669272ed90ee1f21cc096905973d804b78f666e30b3759378e25e98
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "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] 54619d0b3ce086d901a4ed0e27f05a65ec4001b2ebf43707ce3d85aecd97db29
[INFO] running `Command { std: "docker" "start" "-a" "54619d0b3ce086d901a4ed0e27f05a65ec4001b2ebf43707ce3d85aecd97db29", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling lexical-core v0.7.5
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking assert_approx_eq v1.1.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]    Compiling kg-utils v0.2.4
[INFO] [stderr]    Compiling kg-display v0.1.2
[INFO] [stderr]    Compiling synstructure v0.11.0
[INFO] [stderr]    Compiling kg-display-derive v0.1.1
[INFO] [stderr]     Checking kg-diag v0.1.1
[INFO] [stderr]     Checking kg-io v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(specialization)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout]   = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]   = help: consider using `min_specialization` instead, which is more stable and complete
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reader.rs:58:47
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn match_str_term(&mut self, s: &str, f: &Fn(Option<char>) -> bool) -> ParseResult<bool>;
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Option<char>) -> bool`
[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/reader.rs:60:55
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn match_str_term_mut(&mut self, s: &str, f: &mut FnMut(Option<char>) -> bool) -> ParseResult<bool>;
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Option<char>) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reader.rs:92:28
[INFO] [stdout]    |
[INFO] [stdout] 92 |     fn scan(&mut self, f: &Fn(char) -> bool) -> ParseResult<Cow<str>> {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(char) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/reader.rs:105:36
[INFO] [stdout]     |
[INFO] [stdout] 105 |     fn scan_mut(&mut self, f: &mut FnMut(char) -> bool) -> ParseResult<Cow<str>> {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(char) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/reader.rs:118:34
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fn skip_until(&mut self, f: &Fn(char) -> bool) -> ParseResult<()> {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(char) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/reader.rs:129:42
[INFO] [stdout]     |
[INFO] [stdout] 129 |     fn skip_until_mut(&mut self, f: &mut FnMut(char) -> bool) -> ParseResult<()> {
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(char) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/reader.rs:140:34
[INFO] [stdout]     |
[INFO] [stdout] 140 |     fn skip_while(&mut self, f: &Fn(char) -> bool) -> ParseResult<()> {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(char) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/reader.rs:151:42
[INFO] [stdout]     |
[INFO] [stdout] 151 |     fn skip_while_mut(&mut self, f: &mut FnMut(char) -> bool) -> ParseResult<()> {
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(char) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/reader.rs:399:47
[INFO] [stdout]     |
[INFO] [stdout] 399 |     fn match_str_term(&mut self, s: &str, f: &Fn(Option<char>) -> bool) -> ParseResult<bool> {
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Option<char>) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/reader.rs:412:55
[INFO] [stdout]     |
[INFO] [stdout] 412 |     fn match_str_term_mut(&mut self, s: &str, f: &mut FnMut(Option<char>) -> bool) -> ParseResult<bool> {
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Option<char>) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(specialization)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout]   = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]   = help: consider using `min_specialization` instead, which is more stable and complete
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reader.rs:58:47
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn match_str_term(&mut self, s: &str, f: &Fn(Option<char>) -> bool) -> ParseResult<bool>;
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Option<char>) -> bool`
[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/reader.rs:60:55
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn match_str_term_mut(&mut self, s: &str, f: &mut FnMut(Option<char>) -> bool) -> ParseResult<bool>;
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Option<char>) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reader.rs:92:28
[INFO] [stdout]    |
[INFO] [stdout] 92 |     fn scan(&mut self, f: &Fn(char) -> bool) -> ParseResult<Cow<str>> {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(char) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/reader.rs:105:36
[INFO] [stdout]     |
[INFO] [stdout] 105 |     fn scan_mut(&mut self, f: &mut FnMut(char) -> bool) -> ParseResult<Cow<str>> {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(char) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/reader.rs:118:34
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fn skip_until(&mut self, f: &Fn(char) -> bool) -> ParseResult<()> {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(char) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/reader.rs:129:42
[INFO] [stdout]     |
[INFO] [stdout] 129 |     fn skip_until_mut(&mut self, f: &mut FnMut(char) -> bool) -> ParseResult<()> {
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(char) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/reader.rs:140:34
[INFO] [stdout]     |
[INFO] [stdout] 140 |     fn skip_while(&mut self, f: &Fn(char) -> bool) -> ParseResult<()> {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(char) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/reader.rs:151:42
[INFO] [stdout]     |
[INFO] [stdout] 151 |     fn skip_while_mut(&mut self, f: &mut FnMut(char) -> bool) -> ParseResult<()> {
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(char) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/reader.rs:399:47
[INFO] [stdout]     |
[INFO] [stdout] 399 |     fn match_str_term(&mut self, s: &str, f: &Fn(Option<char>) -> bool) -> ParseResult<bool> {
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Option<char>) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/reader.rs:412:55
[INFO] [stdout]     |
[INFO] [stdout] 412 |     fn match_str_term_mut(&mut self, s: &str, f: &mut FnMut(Option<char>) -> bool) -> ParseResult<bool> {
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Option<char>) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> benches/reader_dispatch.rs:22:21
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn dyn_scan(r: &mut CharReader) -> ParseResult<usize> {
[INFO] [stdout]    |                     ^^^^^^^^^^ help: use `dyn`: `dyn CharReader`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: literal out of range for `u8`
[INFO] [stdout]   --> benches/reader_dispatch.rs:12:17
[INFO] [stdout]    |
[INFO] [stdout] 12 |     for i in 0..1024 * 1024 {
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(overflowing_literals)]` on by default
[INFO] [stdout]    = note: the literal `1024` does not fit into the type `u8` whose range is `0..=255`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: literal out of range for `u8`
[INFO] [stdout]   --> benches/reader_dispatch.rs:12:24
[INFO] [stdout]    |
[INFO] [stdout] 12 |     for i in 0..1024 * 1024 {
[INFO] [stdout]    |                        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the literal `1024` does not fit into the type `u8` whose range is `0..=255`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kg-io`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "54619d0b3ce086d901a4ed0e27f05a65ec4001b2ebf43707ce3d85aecd97db29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54619d0b3ce086d901a4ed0e27f05a65ec4001b2ebf43707ce3d85aecd97db29", kill_on_drop: false }`
[INFO] [stdout] 54619d0b3ce086d901a4ed0e27f05a65ec4001b2ebf43707ce3d85aecd97db29