[INFO] cloning repository https://github.com/lars-t-hansen/sexpr-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lars-t-hansen/sexpr-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flars-t-hansen%2Fsexpr-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flars-t-hansen%2Fsexpr-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4498ddae316c6ff125a63d1ec4135107a041eb59
[INFO] checking lars-t-hansen/sexpr-rust against try#4a04890980766cc79878135f5ade8c0c4321e943 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flars-t-hansen%2Fsexpr-rust" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lars-t-hansen/sexpr-rust on toolchain 4a04890980766cc79878135f5ade8c0c4321e943
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lars-t-hansen/sexpr-rust
[INFO] finished tweaking git repo https://github.com/lars-t-hansen/sexpr-rust
[INFO] tweaked toml for git repo https://github.com/lars-t-hansen/sexpr-rust written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/lars-t-hansen/sexpr-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "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 unicode_reader v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c32cfe613fdd10a248cbde88000543aa0b806cf988000e3f767dfd1349d385ff
[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" "c32cfe613fdd10a248cbde88000543aa0b806cf988000e3f767dfd1349d385ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c32cfe613fdd10a248cbde88000543aa0b806cf988000e3f767dfd1349d385ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c32cfe613fdd10a248cbde88000543aa0b806cf988000e3f767dfd1349d385ff", kill_on_drop: false }`
[INFO] [stdout] c32cfe613fdd10a248cbde88000543aa0b806cf988000e3f767dfd1349d385ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e35714e9db743d938c33c07261e9c2955b28edba8f43dcf042622fc44b5f8f2e
[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" "e35714e9db743d938c33c07261e9c2955b28edba8f43dcf042622fc44b5f8f2e", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-segmentation v1.2.1
[INFO] [stderr]     Checking unicode_reader v0.1.1
[INFO] [stderr]     Checking sexpr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:29:32
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[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/lib.rs:171:18
[INFO] [stdout]     |
[INFO] [stdout] 171 | pub type Input = Iterator<Item = std::io::Result<char>>;
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = std::io::Result<char>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:443:12
[INFO] [stdout]     |
[INFO] [stdout] 443 |         '0'...'9' => true,
[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]    --> src/lib.rs:451:12
[INFO] [stdout]     |
[INFO] [stdout] 451 |         'a'...'z' | 'A'...'Z' | '~' | '!' | '@' | '$' | '%' | '^' | '&' | '*' | '_' | '-' | '+' | '=' |
[INFO] [stdout]     |            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:451:24
[INFO] [stdout]     |
[INFO] [stdout] 451 |         'a'...'z' | 'A'...'Z' | '~' | '!' | '@' | '$' | '%' | '^' | '&' | '*' | '_' | '-' | '+' | '=' |
[INFO] [stdout]     |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:29:32
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[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/lib.rs:171:18
[INFO] [stdout]     |
[INFO] [stdout] 171 | pub type Input = Iterator<Item = std::io::Result<char>>;
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = std::io::Result<char>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:443:12
[INFO] [stdout]     |
[INFO] [stdout] 443 |         '0'...'9' => true,
[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]    --> src/lib.rs:451:12
[INFO] [stdout]     |
[INFO] [stdout] 451 |         'a'...'z' | 'A'...'Z' | '~' | '!' | '@' | '$' | '%' | '^' | '&' | '*' | '_' | '-' | '+' | '=' |
[INFO] [stdout]     |            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:451:24
[INFO] [stdout]     |
[INFO] [stdout] 451 |         'a'...'z' | 'A'...'Z' | '~' | '!' | '@' | '$' | '%' | '^' | '&' | '*' | '_' | '-' | '+' | '=' |
[INFO] [stdout]     |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.13s
[INFO] running `Command { std: "docker" "inspect" "e35714e9db743d938c33c07261e9c2955b28edba8f43dcf042622fc44b5f8f2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e35714e9db743d938c33c07261e9c2955b28edba8f43dcf042622fc44b5f8f2e", kill_on_drop: false }`
[INFO] [stdout] e35714e9db743d938c33c07261e9c2955b28edba8f43dcf042622fc44b5f8f2e