[INFO] fetching crate atoi_radix10 0.0.1...
[INFO] testing atoi_radix10-0.0.1 against 1.54.0 for beta-1.55-1
[INFO] extracting crate atoi_radix10 0.0.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate atoi_radix10 0.0.1 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/source/.cargo/config
[INFO] started tweaking crates.io crate atoi_radix10 0.0.1
[INFO] finished tweaking crates.io crate atoi_radix10 0.0.1
[INFO] tweaked toml for crates.io crate atoi_radix10 0.0.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6832802fc0393feb537ba8c6424fd0d68f6b97267784aec5911e9ed99c224c4
[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" "c6832802fc0393feb537ba8c6424fd0d68f6b97267784aec5911e9ed99c224c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6832802fc0393feb537ba8c6424fd0d68f6b97267784aec5911e9ed99c224c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6832802fc0393feb537ba8c6424fd0d68f6b97267784aec5911e9ed99c224c4", kill_on_drop: false }`
[INFO] [stdout] c6832802fc0393feb537ba8c6424fd0d68f6b97267784aec5911e9ed99c224c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--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] 3789d894893639879cdbef06363e870a1578c5cab4eef650c8c8a4d8e09ff2f3
[INFO] running `Command { std: "docker" "start" "-a" "3789d894893639879cdbef06363e870a1578c5cab4eef650c8c8a4d8e09ff2f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling atoi_radix10 v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0658]: use of unstable library feature 'int_error_matching': it can be useful to match errors when making error messages for integer parsing
[INFO] [stdout]   --> src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use core::num::IntErrorKind;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #22639 <https://github.com/rust-lang/rust/issues/22639> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'int_error_matching': it can be useful to match errors when making error messages for integer parsing
[INFO] [stdout]    --> src/lib.rs:371:19
[INFO] [stdout]     |
[INFO] [stdout] 371 |             kind: IntErrorKind::InvalidDigit,
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #22639 <https://github.com/rust-lang/rust/issues/22639> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'int_error_matching': it can be useful to match errors when making error messages for integer parsing
[INFO] [stdout]    --> src/lib.rs:481:19
[INFO] [stdout]     |
[INFO] [stdout] 481 |             kind: IntErrorKind::InvalidDigit,
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #22639 <https://github.com/rust-lang/rust/issues/22639> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'int_error_matching': it can be useful to match errors when making error messages for integer parsing
[INFO] [stdout]    --> src/lib.rs:591:19
[INFO] [stdout]     |
[INFO] [stdout] 591 |             kind: IntErrorKind::InvalidDigit,
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #22639 <https://github.com/rust-lang/rust/issues/22639> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'int_error_matching': it can be useful to match errors when making error messages for integer parsing
[INFO] [stdout]    --> src/lib.rs:682:19
[INFO] [stdout]     |
[INFO] [stdout] 682 |             kind: IntErrorKind::InvalidDigit,
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #22639 <https://github.com/rust-lang/rust/issues/22639> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'int_error_matching': it can be useful to match errors when making error messages for integer parsing
[INFO] [stdout]   --> src/lib.rs:34:15
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub kind: IntErrorKind,
[INFO] [stdout]    |               ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #22639 <https://github.com/rust-lang/rust/issues/22639> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'int_error_matching': it can be useful to match errors when making error messages for integer parsing
[INFO] [stdout]  --> src/parse.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     IntErrorKind, ParseIntErrorPublic, MINUS, PLUS,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #22639 <https://github.com/rust-lang/rust/issues/22639> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'int_error_matching': it can be useful to match errors when making error messages for integer parsing
[INFO] [stdout]    --> src/parse.rs:154:19
[INFO] [stdout]     |
[INFO] [stdout] 154 |             kind: IntErrorKind::InvalidDigit,
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 379 |                                         return Err(invalid!());
[INFO] [stdout]     |                                                    ---------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #22639 <https://github.com/rust-lang/rust/issues/22639> for more information
[INFO] [stdout]     = note: this error originates in the macro `invalid` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'int_error_matching': it can be useful to match errors when making error messages for integer parsing
[INFO] [stdout]    --> src/parse.rs:169:19
[INFO] [stdout]     |
[INFO] [stdout] 169 |             kind: IntErrorKind::PosOverflow,
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 385 |                                 checked_t.add_checked(res).ok_or(pos_overflow!())
[INFO] [stdout]     |                                                                  --------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #22639 <https://github.com/rust-lang/rust/issues/22639> for more information
[INFO] [stdout]     = note: this error originates in the macro `pos_overflow` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'int_error_matching': it can be useful to match errors when making error messages for integer parsing
[INFO] [stdout]    --> src/parse.rs:154:19
[INFO] [stdout]     |
[INFO] [stdout] 154 |             kind: IntErrorKind::InvalidDigit,
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 401 |                             return Err(invalid!());
[INFO] [stdout]     |                                        ---------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #22639 <https://github.com/rust-lang/rust/issues/22639> for more information
[INFO] [stdout]     = note: this error originates in the macro `invalid` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'int_error_matching': it can be useful to match errors when making error messages for integer parsing
[INFO] [stdout]    --> src/parse.rs:161:19
[INFO] [stdout]     |
[INFO] [stdout] 161 |             kind: IntErrorKind::Empty,
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 415 |                             return Err(empty!());
[INFO] [stdout]     |                                        -------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #22639 <https://github.com/rust-lang/rust/issues/22639> for more information
[INFO] [stdout]     = note: this error originates in the macro `empty` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'int_error_matching': it can be useful to match errors when making error messages for integer parsing
[INFO] [stdout]    --> src/parse.rs:169:19
[INFO] [stdout]     |
[INFO] [stdout] 169 |             kind: IntErrorKind::PosOverflow,
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 418 |                         return Err(pos_overflow!());
[INFO] [stdout]     |                                    --------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #22639 <https://github.com/rust-lang/rust/issues/22639> for more information
[INFO] [stdout]     = note: this error originates in the macro `pos_overflow` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'int_error_matching': it can be useful to match errors when making error messages for integer parsing
[INFO] [stdout]    --> src/parse.rs:154:19
[INFO] [stdout]     |
[INFO] [stdout] 154 |             kind: IntErrorKind::InvalidDigit,
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 442 |                                         return Err(invalid!());
[INFO] [stdout]     |                                                    ---------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #22639 <https://github.com/rust-lang/rust/issues/22639> for more information
[INFO] [stdout]     = note: this error originates in the macro `invalid` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'int_error_matching': it can be useful to match errors when making error messages for integer parsing
[INFO] [stdout]    --> src/parse.rs:154:19
[INFO] [stdout]     |
[INFO] [stdout] 154 |             kind: IntErrorKind::InvalidDigit,
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 573 |                                         return Err(invalid!());
[INFO] [stdout]     |                                                    ---------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #22639 <https://github.com/rust-lang/rust/issues/22639> for more information
[INFO] [stdout]     = note: this error originates in the macro `invalid` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'int_error_matching': it can be useful to match errors when making error messages for integer parsing
[INFO] [stdout]    --> src/parse.rs:177:19
[INFO] [stdout]     |
[INFO] [stdout] 177 |             kind: IntErrorKind::NegOverflow,
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 581 |                                 res.sub_checked(chk_t).ok_or(neg_overflow!())
[INFO] [stdout]     |                                                              --------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #22639 <https://github.com/rust-lang/rust/issues/22639> for more information
[INFO] [stdout]     = note: this error originates in the macro `neg_overflow` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'int_error_matching': it can be useful to match errors when making error messages for integer parsing
[INFO] [stdout]    --> src/parse.rs:161:19
[INFO] [stdout]     |
[INFO] [stdout] 161 |             kind: IntErrorKind::Empty,
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 590 |                         return Err(empty!());
[INFO] [stdout]     |                                    -------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #22639 <https://github.com/rust-lang/rust/issues/22639> for more information
[INFO] [stdout]     = note: this error originates in the macro `empty` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'int_error_matching': it can be useful to match errors when making error messages for integer parsing
[INFO] [stdout]    --> src/parse.rs:177:19
[INFO] [stdout]     |
[INFO] [stdout] 177 |             kind: IntErrorKind::NegOverflow,
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 609 |                         return Err(neg_overflow!());
[INFO] [stdout]     |                                    --------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #22639 <https://github.com/rust-lang/rust/issues/22639> for more information
[INFO] [stdout]     = note: this error originates in the macro `neg_overflow` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'int_error_matching': it can be useful to match errors when making error messages for integer parsing
[INFO] [stdout]    --> src/parse.rs:161:19
[INFO] [stdout]     |
[INFO] [stdout] 161 |             kind: IntErrorKind::Empty,
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 620 |                             return Err(empty!());
[INFO] [stdout]     |                                        -------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #22639 <https://github.com/rust-lang/rust/issues/22639> for more information
[INFO] [stdout]     = note: this error originates in the macro `empty` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'int_error_matching': it can be useful to match errors when making error messages for integer parsing
[INFO] [stdout]    --> src/parse.rs:161:19
[INFO] [stdout]     |
[INFO] [stdout] 161 |             kind: IntErrorKind::Empty,
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 623 |                     None => return Err(empty!()),
[INFO] [stdout]     |                                        -------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #22639 <https://github.com/rust-lang/rust/issues/22639> for more information
[INFO] [stdout]     = note: this error originates in the macro `empty` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'int_error_matching': it can be useful to match errors when making error messages for integer parsing
[INFO] [stdout]    --> src/parse.rs:154:19
[INFO] [stdout]     |
[INFO] [stdout] 154 |             kind: IntErrorKind::InvalidDigit,
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 626 |                 return Err(invalid!());
[INFO] [stdout]     |                            ---------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #22639 <https://github.com/rust-lang/rust/issues/22639> for more information
[INFO] [stdout]     = note: this error originates in the macro `invalid` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'int_error_matching': it can be useful to match errors when making error messages for integer parsing
[INFO] [stdout]    --> src/parse.rs:161:19
[INFO] [stdout]     |
[INFO] [stdout] 161 |             kind: IntErrorKind::Empty,
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 630 |         Err(empty!())
[INFO] [stdout]     |             -------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #22639 <https://github.com/rust-lang/rust/issues/22639> for more information
[INFO] [stdout]     = note: this error originates in the macro `empty` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 21 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `atoi_radix10`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "3789d894893639879cdbef06363e870a1578c5cab4eef650c8c8a4d8e09ff2f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3789d894893639879cdbef06363e870a1578c5cab4eef650c8c8a4d8e09ff2f3", kill_on_drop: false }`
[INFO] [stdout] 3789d894893639879cdbef06363e870a1578c5cab4eef650c8c8a4d8e09ff2f3
