[INFO] cloning repository https://github.com/xenowing/coverage
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xenowing/coverage" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxenowing%2Fcoverage", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxenowing%2Fcoverage'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 36f31b3b5d35e14be6e26e955a419b581b174966
[INFO] checking xenowing/coverage against try#c8085cfed34c45021fc8f66d073f6394b3e35431 for pr-148939
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxenowing%2Fcoverage" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/xenowing/coverage
[INFO] finished tweaking git repo https://github.com/xenowing/coverage
[INFO] tweaked toml for git repo https://github.com/xenowing/coverage written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/xenowing/coverage on toolchain c8085cfed34c45021fc8f66d073f6394b3e35431
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/xenowing/coverage already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking xenowing/coverage against try#c8085cfed34c45021fc8f66d073f6394b3e35431 for pr-148939
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxenowing%2Fcoverage" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/xenowing/coverage
[INFO] finished tweaking git repo https://github.com/xenowing/coverage
[INFO] tweaked toml for git repo https://github.com/xenowing/coverage written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/xenowing/coverage on toolchain c8085cfed34c45021fc8f66d073f6394b3e35431
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/xenowing/coverage already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded typed-arena v2.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f3c7dba7551b25feed66dd9f88bd0de750500371c5e7025b039e96b62934b16
[INFO] running `Command { std: "docker" "start" "-a" "2f3c7dba7551b25feed66dd9f88bd0de750500371c5e7025b039e96b62934b16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f3c7dba7551b25feed66dd9f88bd0de750500371c5e7025b039e96b62934b16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f3c7dba7551b25feed66dd9f88bd0de750500371c5e7025b039e96b62934b16", kill_on_drop: false }`
[INFO] [stdout] 2f3c7dba7551b25feed66dd9f88bd0de750500371c5e7025b039e96b62934b16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9426d40d7c87efbfa4ffc339deabaa7e6c263a99a7d7035e49aadba9bde88d2d
[INFO] running `Command { std: "docker" "start" "-a" "9426d40d7c87efbfa4ffc339deabaa7e6c263a99a7d7035e49aadba9bde88d2d", kill_on_drop: false }`
[INFO] [stderr]     Checking typed-arena v2.0.1
[INFO] [stderr]     Checking coverage v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `gt`, `lt`, and `ne` are never used
[INFO] [stdout]   --> src/main.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl<'a> Expr<'a> {
[INFO] [stdout]    | ----------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 47 |     fn gt(&'a self, other: &'a Expr<'a>) -> &Expr<'a> {
[INFO] [stdout]    |        ^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     fn lt(&'a self, other: &'a Expr<'a>) -> &Expr<'a> {
[INFO] [stdout]    |        ^^
[INFO] [stdout] ...
[INFO] [stdout] 71 |     fn ne(&'a self, other: &'a Expr<'a>) -> &Expr<'a> {
[INFO] [stdout]    |        ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Gt` and `Lt` are never constructed
[INFO] [stdout]    --> src/main.rs:182:5
[INFO] [stdout]     |
[INFO] [stdout] 176 | enum ExprData<'a> {
[INFO] [stdout]     |      -------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 182 |     Gt { lhs: &'a Expr<'a>, rhs: &'a Expr<'a> },
[INFO] [stdout]     |     ^^
[INFO] [stdout] 183 |     Lt { lhs: &'a Expr<'a>, rhs: &'a Expr<'a> },
[INFO] [stdout]     |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `gt`, `lt`, and `ne` are never used
[INFO] [stdout]   --> src/main.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl<'a> Expr<'a> {
[INFO] [stdout]    | ----------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 47 |     fn gt(&'a self, other: &'a Expr<'a>) -> &Expr<'a> {
[INFO] [stdout]    |        ^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     fn lt(&'a self, other: &'a Expr<'a>) -> &Expr<'a> {
[INFO] [stdout]    |        ^^
[INFO] [stdout] ...
[INFO] [stdout] 71 |     fn ne(&'a self, other: &'a Expr<'a>) -> &Expr<'a> {
[INFO] [stdout]    |        ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Gt` and `Lt` are never constructed
[INFO] [stdout]    --> src/main.rs:182:5
[INFO] [stdout]     |
[INFO] [stdout] 176 | enum ExprData<'a> {
[INFO] [stdout]     |      -------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 182 |     Gt { lhs: &'a Expr<'a>, rhs: &'a Expr<'a> },
[INFO] [stdout]     |     ^^
[INFO] [stdout] 183 |     Lt { lhs: &'a Expr<'a>, rhs: &'a Expr<'a> },
[INFO] [stdout]     |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/main.rs:24:45
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn eq(&'a self, other: &'a Expr<'a>) -> &Expr<'a> {
[INFO] [stdout]    |            --               --      --      ^^^^^^--^
[INFO] [stdout]    |            |                |       |       |     |
[INFO] [stdout]    |            |                |       |       |     the same lifetime is named here
[INFO] [stdout]    |            |                |       |       the same lifetime is elided here
[INFO] [stdout]    |            |                |       the lifetime is named here
[INFO] [stdout]    |            |                the lifetime is named here
[INFO] [stdout]    |            the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn eq(&'a self, other: &'a Expr<'a>) -> &'a Expr<'a> {
[INFO] [stdout]    |                                              ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/main.rs:24:45
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn eq(&'a self, other: &'a Expr<'a>) -> &Expr<'a> {
[INFO] [stdout]    |            --               --      --      ^^^^^^--^
[INFO] [stdout]    |            |                |       |       |     |
[INFO] [stdout]    |            |                |       |       |     the same lifetime is named here
[INFO] [stdout]    |            |                |       |       the same lifetime is elided here
[INFO] [stdout]    |            |                |       the lifetime is named here
[INFO] [stdout]    |            |                the lifetime is named here
[INFO] [stdout]    |            the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn eq(&'a self, other: &'a Expr<'a>) -> &'a Expr<'a> {
[INFO] [stdout]    |                                              ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/main.rs:35:45
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn ge(&'a self, other: &'a Expr<'a>) -> &Expr<'a> {
[INFO] [stdout]    |            --               --      --      ^^^^^^--^
[INFO] [stdout]    |            |                |       |       |     |
[INFO] [stdout]    |            |                |       |       |     the same lifetime is named here
[INFO] [stdout]    |            |                |       |       the same lifetime is elided here
[INFO] [stdout]    |            |                |       the lifetime is named here
[INFO] [stdout]    |            |                the lifetime is named here
[INFO] [stdout]    |            the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn ge(&'a self, other: &'a Expr<'a>) -> &'a Expr<'a> {
[INFO] [stdout]    |                                              ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/main.rs:35:45
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn ge(&'a self, other: &'a Expr<'a>) -> &Expr<'a> {
[INFO] [stdout]    |            --               --      --      ^^^^^^--^
[INFO] [stdout]    |            |                |       |       |     |
[INFO] [stdout]    |            |                |       |       |     the same lifetime is named here
[INFO] [stdout]    |            |                |       |       the same lifetime is elided here
[INFO] [stdout]    |            |                |       the lifetime is named here
[INFO] [stdout]    |            |                the lifetime is named here
[INFO] [stdout]    |            the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn ge(&'a self, other: &'a Expr<'a>) -> &'a Expr<'a> {
[INFO] [stdout]    |                                              ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/main.rs:47:45
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn gt(&'a self, other: &'a Expr<'a>) -> &Expr<'a> {
[INFO] [stdout]    |            --               --      --      ^^^^^^--^
[INFO] [stdout]    |            |                |       |       |     |
[INFO] [stdout]    |            |                |       |       |     the same lifetime is named here
[INFO] [stdout]    |            |                |       |       the same lifetime is elided here
[INFO] [stdout]    |            |                |       the lifetime is named here
[INFO] [stdout]    |            |                the lifetime is named here
[INFO] [stdout]    |            the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn gt(&'a self, other: &'a Expr<'a>) -> &'a Expr<'a> {
[INFO] [stdout]    |                                              ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/main.rs:47:45
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn gt(&'a self, other: &'a Expr<'a>) -> &Expr<'a> {
[INFO] [stdout]    |            --               --      --      ^^^^^^--^
[INFO] [stdout]    |            |                |       |       |     |
[INFO] [stdout]    |            |                |       |       |     the same lifetime is named here
[INFO] [stdout]    |            |                |       |       the same lifetime is elided here
[INFO] [stdout]    |            |                |       the lifetime is named here
[INFO] [stdout]    |            |                the lifetime is named here
[INFO] [stdout]    |            the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn gt(&'a self, other: &'a Expr<'a>) -> &'a Expr<'a> {
[INFO] [stdout]    |                                              ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/main.rs:59:45
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn lt(&'a self, other: &'a Expr<'a>) -> &Expr<'a> {
[INFO] [stdout]    |            --               --      --      ^^^^^^--^
[INFO] [stdout]    |            |                |       |       |     |
[INFO] [stdout]    |            |                |       |       |     the same lifetime is named here
[INFO] [stdout]    |            |                |       |       the same lifetime is elided here
[INFO] [stdout]    |            |                |       the lifetime is named here
[INFO] [stdout]    |            |                the lifetime is named here
[INFO] [stdout]    |            the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn lt(&'a self, other: &'a Expr<'a>) -> &'a Expr<'a> {
[INFO] [stdout]    |                                              ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/main.rs:59:45
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn lt(&'a self, other: &'a Expr<'a>) -> &Expr<'a> {
[INFO] [stdout]    |            --               --      --      ^^^^^^--^
[INFO] [stdout]    |            |                |       |       |     |
[INFO] [stdout]    |            |                |       |       |     the same lifetime is named here
[INFO] [stdout]    |            |                |       |       the same lifetime is elided here
[INFO] [stdout]    |            |                |       the lifetime is named here
[INFO] [stdout]    |            |                the lifetime is named here
[INFO] [stdout]    |            the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn lt(&'a self, other: &'a Expr<'a>) -> &'a Expr<'a> {
[INFO] [stdout]    |                                              ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/main.rs:71:45
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn ne(&'a self, other: &'a Expr<'a>) -> &Expr<'a> {
[INFO] [stdout]    |            --               --      --      ^^^^^^--^
[INFO] [stdout]    |            |                |       |       |     |
[INFO] [stdout]    |            |                |       |       |     the same lifetime is named here
[INFO] [stdout]    |            |                |       |       the same lifetime is elided here
[INFO] [stdout]    |            |                |       the lifetime is named here
[INFO] [stdout]    |            |                the lifetime is named here
[INFO] [stdout]    |            the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn ne(&'a self, other: &'a Expr<'a>) -> &'a Expr<'a> {
[INFO] [stdout]    |                                              ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/main.rs:71:45
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn ne(&'a self, other: &'a Expr<'a>) -> &Expr<'a> {
[INFO] [stdout]    |            --               --      --      ^^^^^^--^
[INFO] [stdout]    |            |                |       |       |     |
[INFO] [stdout]    |            |                |       |       |     the same lifetime is named here
[INFO] [stdout]    |            |                |       |       the same lifetime is elided here
[INFO] [stdout]    |            |                |       the lifetime is named here
[INFO] [stdout]    |            |                the lifetime is named here
[INFO] [stdout]    |            the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn ne(&'a self, other: &'a Expr<'a>) -> &'a Expr<'a> {
[INFO] [stdout]    |                                              ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/main.rs:225:43
[INFO] [stdout]     |
[INFO] [stdout] 225 |     fn const_i32(&'a self, value: i32) -> &Expr<'a> {
[INFO] [stdout]     |                   --                      ^^^^^^--^
[INFO] [stdout]     |                   |                       |     |
[INFO] [stdout]     |                   |                       |     the same lifetime is named here
[INFO] [stdout]     |                   |                       the same lifetime is elided here
[INFO] [stdout]     |                   the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 225 |     fn const_i32(&'a self, value: i32) -> &'a Expr<'a> {
[INFO] [stdout]     |                                            ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/main.rs:225:43
[INFO] [stdout]     |
[INFO] [stdout] 225 |     fn const_i32(&'a self, value: i32) -> &Expr<'a> {
[INFO] [stdout]     |                   --                      ^^^^^^--^
[INFO] [stdout]     |                   |                       |     |
[INFO] [stdout]     |                   |                       |     the same lifetime is named here
[INFO] [stdout]     |                   |                       the same lifetime is elided here
[INFO] [stdout]     |                   the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 225 |     fn const_i32(&'a self, value: i32) -> &'a Expr<'a> {
[INFO] [stdout]     |                                            ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/main.rs:232:55
[INFO] [stdout]     |
[INFO] [stdout] 232 |     fn var_bool(&'a self, name: impl Into<String>) -> &Expr<'a> {
[INFO] [stdout]     |                  --                                   ^^^^^^--^
[INFO] [stdout]     |                  |                                    |     |
[INFO] [stdout]     |                  |                                    |     the same lifetime is named here
[INFO] [stdout]     |                  the lifetime is named here           the same lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 232 |     fn var_bool(&'a self, name: impl Into<String>) -> &'a Expr<'a> {
[INFO] [stdout]     |                                                        ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/main.rs:232:55
[INFO] [stdout]     |
[INFO] [stdout] 232 |     fn var_bool(&'a self, name: impl Into<String>) -> &Expr<'a> {
[INFO] [stdout]     |                  --                                   ^^^^^^--^
[INFO] [stdout]     |                  |                                    |     |
[INFO] [stdout]     |                  |                                    |     the same lifetime is named here
[INFO] [stdout]     |                  the lifetime is named here           the same lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 232 |     fn var_bool(&'a self, name: impl Into<String>) -> &'a Expr<'a> {
[INFO] [stdout]     |                                                        ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/main.rs:238:54
[INFO] [stdout]     |
[INFO] [stdout] 238 |     fn var_i32(&'a self, name: impl Into<String>) -> &Expr<'a> {
[INFO] [stdout]     |                 --                                   ^^^^^^--^
[INFO] [stdout]     |                 |                                    |     |
[INFO] [stdout]     |                 |                                    |     the same lifetime is named here
[INFO] [stdout]     |                 the lifetime is named here           the same lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 238 |     fn var_i32(&'a self, name: impl Into<String>) -> &'a Expr<'a> {
[INFO] [stdout]     |                                                       ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/main.rs:238:54
[INFO] [stdout]     |
[INFO] [stdout] 238 |     fn var_i32(&'a self, name: impl Into<String>) -> &Expr<'a> {
[INFO] [stdout]     |                 --                                   ^^^^^^--^
[INFO] [stdout]     |                 |                                    |     |
[INFO] [stdout]     |                 |                                    |     the same lifetime is named here
[INFO] [stdout]     |                 the lifetime is named here           the same lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 238 |     fn var_i32(&'a self, name: impl Into<String>) -> &'a Expr<'a> {
[INFO] [stdout]     |                                                       ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "9426d40d7c87efbfa4ffc339deabaa7e6c263a99a7d7035e49aadba9bde88d2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9426d40d7c87efbfa4ffc339deabaa7e6c263a99a7d7035e49aadba9bde88d2d", kill_on_drop: false }`
[INFO] [stdout] 9426d40d7c87efbfa4ffc339deabaa7e6c263a99a7d7035e49aadba9bde88d2d
