[INFO] cloning repository https://github.com/suhr/razbor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/suhr/razbor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuhr%2Frazbor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuhr%2Frazbor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 44ea1490411f39e5772d87f4b09e7c4fe4b4bcdd
[INFO] checking suhr/razbor against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuhr%2Frazbor" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/suhr/razbor on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/suhr/razbor
[INFO] finished tweaking git repo https://github.com/suhr/razbor
[INFO] tweaked toml for git repo https://github.com/suhr/razbor written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/suhr/razbor already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e3da65f8decee4a5dfb1115a6a5ff51d9f6c4859c8392921caa51f9169e4a7e
[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" "8e3da65f8decee4a5dfb1115a6a5ff51d9f6c4859c8392921caa51f9169e4a7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e3da65f8decee4a5dfb1115a6a5ff51d9f6c4859c8392921caa51f9169e4a7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e3da65f8decee4a5dfb1115a6a5ff51d9f6c4859c8392921caa51f9169e4a7e", kill_on_drop: false }`
[INFO] [stdout] 8e3da65f8decee4a5dfb1115a6a5ff51d9f6c4859c8392921caa51f9169e4a7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05a165a3b96b8698d35e150bc7eed5309dc9588e5de26af7ca0c020c3c0e18ff
[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" "05a165a3b96b8698d35e150bc7eed5309dc9588e5de26af7ca0c020c3c0e18ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling ucd-trie v0.1.2
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking bit-vec v0.5.1
[INFO] [stderr]     Checking smol_str v0.1.15
[INFO] [stderr]     Checking regex-syntax v0.6.13
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking pest v2.1.2
[INFO] [stderr]     Checking annotate-snippets v0.6.1
[INFO] [stderr]     Checking bit-set v0.5.1
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling pest_meta v2.1.2
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking rusty-fork v0.2.2
[INFO] [stderr]    Compiling pest_generator v2.1.1
[INFO] [stderr]     Checking proptest v0.9.5
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking razbor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/string.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | /     parses_to! {
[INFO] [stdout] 7  | |         parser: MexprParser,
[INFO] [stdout] 8  | |         input:  "\"asd\"",
[INFO] [stdout] 9  | |         rule:   Rule::string,
[INFO] [stdout] ...  |
[INFO] [stdout] 14 | |         ]
[INFO] [stdout] 15 | |     };
[INFO] [stdout]    | |______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[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: panic message is not a string literal
[INFO] [stdout]   --> tests/string.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | /     parses_to! {
[INFO] [stdout] 7  | |         parser: MexprParser,
[INFO] [stdout] 8  | |         input:  "\"asd\"",
[INFO] [stdout] 9  | |         rule:   Rule::string,
[INFO] [stdout] ...  |
[INFO] [stdout] 14 | |         ]
[INFO] [stdout] 15 | |     };
[INFO] [stdout]    | |______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[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: panic message is not a string literal
[INFO] [stdout]   --> tests/string.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | /     parses_to! {
[INFO] [stdout] 17 | |         parser: MexprParser,
[INFO] [stdout] 18 | |         input:  "\"\\\"a\"",
[INFO] [stdout] 19 | |         rule:   Rule::string,
[INFO] [stdout] ...  |
[INFO] [stdout] 24 | |         ]
[INFO] [stdout] 25 | |     };
[INFO] [stdout]    | |______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[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: panic message is not a string literal
[INFO] [stdout]   --> tests/string.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | /     parses_to! {
[INFO] [stdout] 17 | |         parser: MexprParser,
[INFO] [stdout] 18 | |         input:  "\"\\\"a\"",
[INFO] [stdout] 19 | |         rule:   Rule::string,
[INFO] [stdout] ...  |
[INFO] [stdout] 24 | |         ]
[INFO] [stdout] 25 | |     };
[INFO] [stdout]    | |______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/number.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | /     parses_to! {
[INFO] [stdout] 7  | |         parser: MexprParser,
[INFO] [stdout] 8  | |         input:  "0",
[INFO] [stdout] 9  | |         rule:   Rule::number,
[INFO] [stdout] ...  |
[INFO] [stdout] 12 | |         ]
[INFO] [stdout] 13 | |     };
[INFO] [stdout]    | |______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[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: panic message is not a string literal
[INFO] [stdout]   --> tests/number.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | /     parses_to! {
[INFO] [stdout] 7  | |         parser: MexprParser,
[INFO] [stdout] 8  | |         input:  "0",
[INFO] [stdout] 9  | |         rule:   Rule::number,
[INFO] [stdout] ...  |
[INFO] [stdout] 12 | |         ]
[INFO] [stdout] 13 | |     };
[INFO] [stdout]    | |______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[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: panic message is not a string literal
[INFO] [stdout]   --> tests/number.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | /     parses_to! {
[INFO] [stdout] 16 | |         parser: MexprParser,
[INFO] [stdout] 17 | |         input:  "42",
[INFO] [stdout] 18 | |         rule:   Rule::number,
[INFO] [stdout] ...  |
[INFO] [stdout] 21 | |         ]
[INFO] [stdout] 22 | |     };
[INFO] [stdout]    | |______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[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: panic message is not a string literal
[INFO] [stdout]   --> tests/number.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | /     parses_to! {
[INFO] [stdout] 16 | |         parser: MexprParser,
[INFO] [stdout] 17 | |         input:  "42",
[INFO] [stdout] 18 | |         rule:   Rule::number,
[INFO] [stdout] ...  |
[INFO] [stdout] 21 | |         ]
[INFO] [stdout] 22 | |     };
[INFO] [stdout]    | |______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[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: panic message is not a string literal
[INFO] [stdout]   --> tests/number.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | /     parses_to! {
[INFO] [stdout] 28 | |         parser: MexprParser,
[INFO] [stdout] 29 | |         input:  "0x42",
[INFO] [stdout] 30 | |         rule:   Rule::hexdecimal,
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |         ]
[INFO] [stdout] 34 | |     };
[INFO] [stdout]    | |______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[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: panic message is not a string literal
[INFO] [stdout]   --> tests/number.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | /     parses_to! {
[INFO] [stdout] 28 | |         parser: MexprParser,
[INFO] [stdout] 29 | |         input:  "0x42",
[INFO] [stdout] 30 | |         rule:   Rule::hexdecimal,
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |         ]
[INFO] [stdout] 34 | |     };
[INFO] [stdout]    | |______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[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: panic message is not a string literal
[INFO] [stdout]   --> tests/number.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | /     parses_to! {
[INFO] [stdout] 43 | |         parser: MexprParser,
[INFO] [stdout] 44 | |         input:  "[0, 1, 12, 007, 0x42]",
[INFO] [stdout] 45 | |         rule:   Rule::list,
[INFO] [stdout] ...  |
[INFO] [stdout] 54 | |         ]
[INFO] [stdout] 55 | |     };
[INFO] [stdout]    | |______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[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: panic message is not a string literal
[INFO] [stdout]   --> tests/number.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | /     parses_to! {
[INFO] [stdout] 43 | |         parser: MexprParser,
[INFO] [stdout] 44 | |         input:  "[0, 1, 12, 007, 0x42]",
[INFO] [stdout] 45 | |         rule:   Rule::list,
[INFO] [stdout] ...  |
[INFO] [stdout] 54 | |         ]
[INFO] [stdout] 55 | |     };
[INFO] [stdout]    | |______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[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: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.15s
[INFO] running `Command { std: "docker" "inspect" "05a165a3b96b8698d35e150bc7eed5309dc9588e5de26af7ca0c020c3c0e18ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05a165a3b96b8698d35e150bc7eed5309dc9588e5de26af7ca0c020c3c0e18ff", kill_on_drop: false }`
[INFO] [stdout] 05a165a3b96b8698d35e150bc7eed5309dc9588e5de26af7ca0c020c3c0e18ff