[INFO] cloning repository https://github.com/fanzeyi/xatu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fanzeyi/xatu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffanzeyi%2Fxatu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffanzeyi%2Fxatu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ae5a96372a631c708fbafe36a6b7911385d02990
[INFO] checking fanzeyi/xatu against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffanzeyi%2Fxatu" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fanzeyi/xatu on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fanzeyi/xatu
[INFO] finished tweaking git repo https://github.com/fanzeyi/xatu
[INFO] tweaked toml for git repo https://github.com/fanzeyi/xatu written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/fanzeyi/xatu already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] acee773b59fb4f73ecb40ea6217a1bda64c50e837e056ae8922b0c31467d4193
[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" "acee773b59fb4f73ecb40ea6217a1bda64c50e837e056ae8922b0c31467d4193", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "acee773b59fb4f73ecb40ea6217a1bda64c50e837e056ae8922b0c31467d4193", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acee773b59fb4f73ecb40ea6217a1bda64c50e837e056ae8922b0c31467d4193", kill_on_drop: false }`
[INFO] [stdout] acee773b59fb4f73ecb40ea6217a1bda64c50e837e056ae8922b0c31467d4193
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a6439a37fe0e7d37184a71b2a1ce13c1343090ebd16eeb44027a05f56d915e0
[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" "5a6439a37fe0e7d37184a71b2a1ce13c1343090ebd16eeb44027a05f56d915e0", kill_on_drop: false }`
[INFO] [stderr]     Checking xatu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/token/lexer.rs:110:17
[INFO] [stdout]     |
[INFO] [stdout] 110 |             b'0'...b'9' => TokenType::INT,
[INFO] [stdout]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/token/lexer.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | / lazy_static! {
[INFO] [stdout] 21 | |     static ref IDENTIFIER: Vec<u8> = combine!(b'a'..=b'z', b'A'..=b'Z', b'_'..=b'_');
[INFO] [stdout] 22 | |     static ref INTEGERS: Vec<u8> = (b'0'..=b'9').collect();
[INFO] [stdout] 23 | |     static ref KEYWORDS: Vec<&'static str> = vec!["let", "fn"];
[INFO] [stdout] 24 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/token/lexer.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | / lazy_static! {
[INFO] [stdout] 21 | |     static ref IDENTIFIER: Vec<u8> = combine!(b'a'..=b'z', b'A'..=b'Z', b'_'..=b'_');
[INFO] [stdout] 22 | |     static ref INTEGERS: Vec<u8> = (b'0'..=b'9').collect();
[INFO] [stdout] 23 | |     static ref KEYWORDS: Vec<&'static str> = vec!["let", "fn"];
[INFO] [stdout] 24 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/token/lexer.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | / lazy_static! {
[INFO] [stdout] 21 | |     static ref IDENTIFIER: Vec<u8> = combine!(b'a'..=b'z', b'A'..=b'Z', b'_'..=b'_');
[INFO] [stdout] 22 | |     static ref INTEGERS: Vec<u8> = (b'0'..=b'9').collect();
[INFO] [stdout] 23 | |     static ref KEYWORDS: Vec<&'static str> = vec!["let", "fn"];
[INFO] [stdout] 24 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/token/lexer.rs:110:17
[INFO] [stdout]     |
[INFO] [stdout] 110 |             b'0'...b'9' => TokenType::INT,
[INFO] [stdout]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/token/lexer.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | / lazy_static! {
[INFO] [stdout] 21 | |     static ref IDENTIFIER: Vec<u8> = combine!(b'a'..=b'z', b'A'..=b'Z', b'_'..=b'_');
[INFO] [stdout] 22 | |     static ref INTEGERS: Vec<u8> = (b'0'..=b'9').collect();
[INFO] [stdout] 23 | |     static ref KEYWORDS: Vec<&'static str> = vec!["let", "fn"];
[INFO] [stdout] 24 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/token/lexer.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | / lazy_static! {
[INFO] [stdout] 21 | |     static ref IDENTIFIER: Vec<u8> = combine!(b'a'..=b'z', b'A'..=b'Z', b'_'..=b'_');
[INFO] [stdout] 22 | |     static ref INTEGERS: Vec<u8> = (b'0'..=b'9').collect();
[INFO] [stdout] 23 | |     static ref KEYWORDS: Vec<&'static str> = vec!["let", "fn"];
[INFO] [stdout] 24 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/token/lexer.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | / lazy_static! {
[INFO] [stdout] 21 | |     static ref IDENTIFIER: Vec<u8> = combine!(b'a'..=b'z', b'A'..=b'Z', b'_'..=b'_');
[INFO] [stdout] 22 | |     static ref INTEGERS: Vec<u8> = (b'0'..=b'9').collect();
[INFO] [stdout] 23 | |     static ref KEYWORDS: Vec<&'static str> = vec!["let", "fn"];
[INFO] [stdout] 24 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "5a6439a37fe0e7d37184a71b2a1ce13c1343090ebd16eeb44027a05f56d915e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a6439a37fe0e7d37184a71b2a1ce13c1343090ebd16eeb44027a05f56d915e0", kill_on_drop: false }`
[INFO] [stdout] 5a6439a37fe0e7d37184a71b2a1ce13c1343090ebd16eeb44027a05f56d915e0