[INFO] cloning repository https://github.com/michaelmior/eson
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/michaelmior/eson" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelmior%2Feson", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelmior%2Feson'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e76ccf0aa32cc425a9128c7bcb8b855bfa6a4cf5
[INFO] checking michaelmior/eson against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelmior%2Feson" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/michaelmior/eson on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/michaelmior/eson
[INFO] finished tweaking git repo https://github.com/michaelmior/eson
[INFO] tweaked toml for git repo https://github.com/michaelmior/eson written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/michaelmior/eson already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded permutation v0.2.5
[INFO] [stderr]   Downloaded float-ord v0.1.2
[INFO] [stderr]   Downloaded string-intern v0.1.7
[INFO] [stderr]   Downloaded defaultmap v0.3.0
[INFO] [stderr]   Downloaded group-by v1.0.0
[INFO] [stderr]   Downloaded peg v0.5.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9051afbf1646a39676c733c44b85cf78221967c6208c8d55cf8e2d3b7c0fde5
[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" "e9051afbf1646a39676c733c44b85cf78221967c6208c8d55cf8e2d3b7c0fde5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9051afbf1646a39676c733c44b85cf78221967c6208c8d55cf8e2d3b7c0fde5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9051afbf1646a39676c733c44b85cf78221967c6208c8d55cf8e2d3b7c0fde5", kill_on_drop: false }`
[INFO] [stdout] e9051afbf1646a39676c733c44b85cf78221967c6208c8d55cf8e2d3b7c0fde5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8d0f24d247853b935f5d7159202090ee2e79b7f73e921b0245a3bbdb565fcd9
[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" "b8d0f24d247853b935f5d7159202090ee2e79b7f73e921b0245a3bbdb565fcd9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking either v1.1.0
[INFO] [stderr]     Checking permutation v0.2.5
[INFO] [stderr]     Checking float-ord v0.1.2
[INFO] [stderr]     Checking argparse v0.2.1
[INFO] [stderr]     Checking ordermap v0.2.11
[INFO] [stderr]     Checking defaultmap v0.3.0
[INFO] [stderr]     Checking group-by v1.0.0
[INFO] [stderr]     Checking collect-mac v0.1.0
[INFO] [stderr]    Compiling peg v0.5.4
[INFO] [stderr]     Checking thread-id v3.2.0
[INFO] [stderr]     Checking string-intern v0.1.7
[INFO] [stderr]     Checking simple-logging v1.0.1
[INFO] [stderr]     Checking itertools v0.6.1
[INFO] [stderr]    Compiling eson v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/eson-14e793853a3d66a6/out/input.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         try !
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/eson-14e793853a3d66a6/out/input.rs:21:40
[INFO] [stdout]    |
[INFO] [stdout] 21 |         self . expected . len() == 0 { try ! (write ! (fmt, "EOF")) ; } else
[INFO] [stdout]    |                                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/eson-14e793853a3d66a6/out/input.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             try !
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/eson-14e793853a3d66a6/out/input.rs:30:55
[INFO] [stdout]    |
[INFO] [stdout] 30 |             let mut iter = self . expected . iter() ; try !
[INFO] [stdout]    |                                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/eson-14e793853a3d66a6/out/input.rs:34:15
[INFO] [stdout]    |
[INFO] [stdout] 34 |             { try ! (write ! (fmt, ", `{}`", escape_default(elem))) ; }
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/eson-14e793853a3d66a6/out/input.rs:84:484
[INFO] [stdout]    |
[INFO] [stdout] 84 | ...nge_at ( __input , __pos ) ; match __ch { 'A' ... 'z' | '_' => Matched ( __next , ( ) ) , _ => __state . mark_failure ( __pos , "[A-z_...
[INFO] [stdout]    |                                                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/eson-14e793853a3d66a6/out/input.rs:84:1110
[INFO] [stdout]    |
[INFO] [stdout] 84 | ...nge_at ( __input , __pos ) ; match __ch { 'A' ... 'z' | '0' ... '9' | '_' => Matched ( __next , ( ) ) , _ => __state . mark_failure ( ...
[INFO] [stdout]    |                                                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/eson-14e793853a3d66a6/out/input.rs:84:1124
[INFO] [stdout]    |
[INFO] [stdout] 84 | ...ut , __pos ) ; match __ch { 'A' ... 'z' | '0' ... '9' | '_' => Matched ( __next , ( ) ) , _ => __state . mark_failure ( __pos , "[A-z0...
[INFO] [stdout]    |                                                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/eson-14e793853a3d66a6/out/input.rs:88:462
[INFO] [stdout]    |
[INFO] [stdout] 88 | ...nge_at ( __input , __pos ) ; match __ch { '0' ... '9' => Matched ( __next , ( ) ) , _ => __state . mark_failure ( __pos , "[0-9]" ) , ...
[INFO] [stdout]    |                                                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/eson-14e793853a3d66a6/out/input.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         try !
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/eson-14e793853a3d66a6/out/input.rs:21:40
[INFO] [stdout]    |
[INFO] [stdout] 21 |         self . expected . len() == 0 { try ! (write ! (fmt, "EOF")) ; } else
[INFO] [stdout]    |                                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/eson-14e793853a3d66a6/out/input.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             try !
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/eson-14e793853a3d66a6/out/input.rs:30:55
[INFO] [stdout]    |
[INFO] [stdout] 30 |             let mut iter = self . expected . iter() ; try !
[INFO] [stdout]    |                                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/eson-14e793853a3d66a6/out/input.rs:34:15
[INFO] [stdout]    |
[INFO] [stdout] 34 |             { try ! (write ! (fmt, ", `{}`", escape_default(elem))) ; }
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/eson-14e793853a3d66a6/out/input.rs:84:484
[INFO] [stdout]    |
[INFO] [stdout] 84 | ...nge_at ( __input , __pos ) ; match __ch { 'A' ... 'z' | '_' => Matched ( __next , ( ) ) , _ => __state . mark_failure ( __pos , "[A-z_...
[INFO] [stdout]    |                                                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/eson-14e793853a3d66a6/out/input.rs:84:1110
[INFO] [stdout]    |
[INFO] [stdout] 84 | ...nge_at ( __input , __pos ) ; match __ch { 'A' ... 'z' | '0' ... '9' | '_' => Matched ( __next , ( ) ) , _ => __state . mark_failure ( ...
[INFO] [stdout]    |                                                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/eson-14e793853a3d66a6/out/input.rs:84:1124
[INFO] [stdout]    |
[INFO] [stdout] 84 | ...ut , __pos ) ; match __ch { 'A' ... 'z' | '0' ... '9' | '_' => Matched ( __next , ( ) ) , _ => __state . mark_failure ( __pos , "[A-z0...
[INFO] [stdout]    |                                                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/eson-14e793853a3d66a6/out/input.rs:88:462
[INFO] [stdout]    |
[INFO] [stdout] 88 | ...nge_at ( __input , __pos ) ; match __ch { '0' ... '9' => Matched ( __next , ( ) ) , _ => __state . mark_failure ( __pos , "[0-9]" ) , ...
[INFO] [stdout]    |                                                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.25s
[INFO] running `Command { std: "docker" "inspect" "b8d0f24d247853b935f5d7159202090ee2e79b7f73e921b0245a3bbdb565fcd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8d0f24d247853b935f5d7159202090ee2e79b7f73e921b0245a3bbdb565fcd9", kill_on_drop: false }`
[INFO] [stdout] b8d0f24d247853b935f5d7159202090ee2e79b7f73e921b0245a3bbdb565fcd9