[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] testing xenowing/coverage against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxenowing%2Fcoverage" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-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-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/xenowing/coverage on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--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-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca696561eaec00bb08b1dd2dd05f7bee1cb2ea93a0e7555d29ff8389ef1c6c5a
[INFO] running `Command { std: "docker" "start" "-a" "ca696561eaec00bb08b1dd2dd05f7bee1cb2ea93a0e7555d29ff8389ef1c6c5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca696561eaec00bb08b1dd2dd05f7bee1cb2ea93a0e7555d29ff8389ef1c6c5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca696561eaec00bb08b1dd2dd05f7bee1cb2ea93a0e7555d29ff8389ef1c6c5a", kill_on_drop: false }`
[INFO] [stdout] ca696561eaec00bb08b1dd2dd05f7bee1cb2ea93a0e7555d29ff8389ef1c6c5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b898bb59f7f325d13c54ec7727b425b3942d358f4f22a7646f3b279794c6c971
[INFO] running `Command { std: "docker" "start" "-a" "b898bb59f7f325d13c54ec7727b425b3942d358f4f22a7646f3b279794c6c971", kill_on_drop: false }`
[INFO] [stderr]    Compiling typed-arena v2.0.1
[INFO] [stderr]    Compiling 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: 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: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: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: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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "b898bb59f7f325d13c54ec7727b425b3942d358f4f22a7646f3b279794c6c971", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b898bb59f7f325d13c54ec7727b425b3942d358f4f22a7646f3b279794c6c971", kill_on_drop: false }`
[INFO] [stdout] b898bb59f7f325d13c54ec7727b425b3942d358f4f22a7646f3b279794c6c971
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce302227121f2a03f3e03d50b42dbd048a6c1e42ef5b13a07e3f679eb13977ad
[INFO] running `Command { std: "docker" "start" "-a" "ce302227121f2a03f3e03d50b42dbd048a6c1e42ef5b13a07e3f679eb13977ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 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: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: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: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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "ce302227121f2a03f3e03d50b42dbd048a6c1e42ef5b13a07e3f679eb13977ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce302227121f2a03f3e03d50b42dbd048a6c1e42ef5b13a07e3f679eb13977ad", kill_on_drop: false }`
[INFO] [stdout] ce302227121f2a03f3e03d50b42dbd048a6c1e42ef5b13a07e3f679eb13977ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dab1066fed0157d338d9f2ab62cb9426154a3027c2a23398ad307e60da781640
[INFO] running `Command { std: "docker" "start" "-a" "dab1066fed0157d338d9f2ab62cb9426154a3027c2a23398ad307e60da781640", kill_on_drop: false }`
[INFO] [stderr] warning: methods `gt`, `lt`, and `ne` are never used
[INFO] [stderr]   --> src/main.rs:47:8
[INFO] [stderr]    |
[INFO] [stderr] 19 | impl<'a> Expr<'a> {
[INFO] [stderr]    | ----------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 47 |     fn gt(&'a self, other: &'a Expr<'a>) -> &Expr<'a> {
[INFO] [stderr]    |        ^^
[INFO] [stderr] ...
[INFO] [stderr] 59 |     fn lt(&'a self, other: &'a Expr<'a>) -> &Expr<'a> {
[INFO] [stderr]    |        ^^
[INFO] [stderr] ...
[INFO] [stderr] 71 |     fn ne(&'a self, other: &'a Expr<'a>) -> &Expr<'a> {
[INFO] [stderr]    |        ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Gt` and `Lt` are never constructed
[INFO] [stderr]    --> src/main.rs:182:5
[INFO] [stderr]     |
[INFO] [stderr] 176 | enum ExprData<'a> {
[INFO] [stderr]     |      -------- variants in this enum
[INFO] [stderr] ...
[INFO] [stderr] 182 |     Gt { lhs: &'a Expr<'a>, rhs: &'a Expr<'a> },
[INFO] [stderr]     |     ^^
[INFO] [stderr] 183 |     Lt { lhs: &'a Expr<'a>, rhs: &'a Expr<'a> },
[INFO] [stderr]     |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stderr]   --> src/main.rs:24:45
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn eq(&'a self, other: &'a Expr<'a>) -> &Expr<'a> {
[INFO] [stderr]    |            --               --      --      ^^^^^^--^
[INFO] [stderr]    |            |                |       |       |     |
[INFO] [stderr]    |            |                |       |       |     the same lifetime is named here
[INFO] [stderr]    |            |                |       |       the same lifetime is elided here
[INFO] [stderr]    |            |                |       the lifetime is named here
[INFO] [stderr]    |            |                the lifetime is named here
[INFO] [stderr]    |            the lifetime is named here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: consistently use `'a`
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn eq(&'a self, other: &'a Expr<'a>) -> &'a Expr<'a> {
[INFO] [stderr]    |                                              ++
[INFO] [stderr] 
[INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stderr]   --> src/main.rs:35:45
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn ge(&'a self, other: &'a Expr<'a>) -> &Expr<'a> {
[INFO] [stderr]    |            --               --      --      ^^^^^^--^
[INFO] [stderr]    |            |                |       |       |     |
[INFO] [stderr]    |            |                |       |       |     the same lifetime is named here
[INFO] [stderr]    |            |                |       |       the same lifetime is elided here
[INFO] [stderr]    |            |                |       the lifetime is named here
[INFO] [stderr]    |            |                the lifetime is named here
[INFO] [stderr]    |            the lifetime is named here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: consistently use `'a`
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn ge(&'a self, other: &'a Expr<'a>) -> &'a Expr<'a> {
[INFO] [stderr]    |                                              ++
[INFO] [stderr] 
[INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stderr]   --> src/main.rs:47:45
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn gt(&'a self, other: &'a Expr<'a>) -> &Expr<'a> {
[INFO] [stderr]    |            --               --      --      ^^^^^^--^
[INFO] [stderr]    |            |                |       |       |     |
[INFO] [stderr]    |            |                |       |       |     the same lifetime is named here
[INFO] [stderr]    |            |                |       |       the same lifetime is elided here
[INFO] [stderr]    |            |                |       the lifetime is named here
[INFO] [stderr]    |            |                the lifetime is named here
[INFO] [stderr]    |            the lifetime is named here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: consistently use `'a`
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn gt(&'a self, other: &'a Expr<'a>) -> &'a Expr<'a> {
[INFO] [stderr]    |                                              ++
[INFO] [stderr] 
[INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stderr]   --> src/main.rs:59:45
[INFO] [stderr]    |
[INFO] [stderr] 59 |     fn lt(&'a self, other: &'a Expr<'a>) -> &Expr<'a> {
[INFO] [stderr]    |            --               --      --      ^^^^^^--^
[INFO] [stderr]    |            |                |       |       |     |
[INFO] [stderr]    |            |                |       |       |     the same lifetime is named here
[INFO] [stderr]    |            |                |       |       the same lifetime is elided here
[INFO] [stderr]    |            |                |       the lifetime is named here
[INFO] [stderr]    |            |                the lifetime is named here
[INFO] [stderr]    |            the lifetime is named here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: consistently use `'a`
[INFO] [stderr]    |
[INFO] [stderr] 59 |     fn lt(&'a self, other: &'a Expr<'a>) -> &'a Expr<'a> {
[INFO] [stderr]    |                                              ++
[INFO] [stderr] 
[INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stderr]   --> src/main.rs:71:45
[INFO] [stderr]    |
[INFO] [stderr] 71 |     fn ne(&'a self, other: &'a Expr<'a>) -> &Expr<'a> {
[INFO] [stderr]    |            --               --      --      ^^^^^^--^
[INFO] [stderr]    |            |                |       |       |     |
[INFO] [stderr]    |            |                |       |       |     the same lifetime is named here
[INFO] [stderr]    |            |                |       |       the same lifetime is elided here
[INFO] [stderr]    |            |                |       the lifetime is named here
[INFO] [stderr]    |            |                the lifetime is named here
[INFO] [stderr]    |            the lifetime is named here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: consistently use `'a`
[INFO] [stderr]    |
[INFO] [stderr] 71 |     fn ne(&'a self, other: &'a Expr<'a>) -> &'a Expr<'a> {
[INFO] [stderr]    |                                              ++
[INFO] [stderr] 
[INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stderr]    --> src/main.rs:225:43
[INFO] [stderr]     |
[INFO] [stderr] 225 |     fn const_i32(&'a self, value: i32) -> &Expr<'a> {
[INFO] [stderr]     |                   --                      ^^^^^^--^
[INFO] [stderr]     |                   |                       |     |
[INFO] [stderr]     |                   |                       |     the same lifetime is named here
[INFO] [stderr]     |                   |                       the same lifetime is elided here
[INFO] [stderr]     |                   the lifetime is named here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: consistently use `'a`
[INFO] [stderr]     |
[INFO] [stderr] 225 |     fn const_i32(&'a self, value: i32) -> &'a Expr<'a> {
[INFO] [stderr]     |                                            ++
[INFO] [stderr] 
[INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stderr]    --> src/main.rs:232:55
[INFO] [stderr]     |
[INFO] [stderr] 232 |     fn var_bool(&'a self, name: impl Into<String>) -> &Expr<'a> {
[INFO] [stderr]     |                  --                                   ^^^^^^--^
[INFO] [stderr]     |                  |                                    |     |
[INFO] [stderr]     |                  |                                    |     the same lifetime is named here
[INFO] [stderr]     |                  the lifetime is named here           the same lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: consistently use `'a`
[INFO] [stderr]     |
[INFO] [stderr] 232 |     fn var_bool(&'a self, name: impl Into<String>) -> &'a Expr<'a> {
[INFO] [stderr]     |                                                        ++
[INFO] [stderr] 
[INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stderr]    --> src/main.rs:238:54
[INFO] [stderr]     |
[INFO] [stderr] 238 |     fn var_i32(&'a self, name: impl Into<String>) -> &Expr<'a> {
[INFO] [stderr]     |                 --                                   ^^^^^^--^
[INFO] [stderr]     |                 |                                    |     |
[INFO] [stderr]     |                 |                                    |     the same lifetime is named here
[INFO] [stderr]     |                 the lifetime is named here           the same lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: consistently use `'a`
[INFO] [stderr]     |
[INFO] [stderr] 238 |     fn var_i32(&'a self, name: impl Into<String>) -> &'a Expr<'a> {
[INFO] [stderr]     |                                                       ++
[INFO] [stderr] 
[INFO] [stderr] warning: `coverage` (bin "coverage" test) generated 10 warnings (run `cargo fix --bin "coverage" -p coverage --tests` to apply 8 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/coverage-052f603282c0ce79)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dab1066fed0157d338d9f2ab62cb9426154a3027c2a23398ad307e60da781640", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dab1066fed0157d338d9f2ab62cb9426154a3027c2a23398ad307e60da781640", kill_on_drop: false }`
[INFO] [stdout] dab1066fed0157d338d9f2ab62cb9426154a3027c2a23398ad307e60da781640