[INFO] cloning repository https://github.com/eiei114/im-ruscal
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eiei114/im-ruscal" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feiei114%2Fim-ruscal", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feiei114%2Fim-ruscal'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c15573dddce1873fb7f7c6d8482eab0128313522
[INFO] checking eiei114/im-ruscal against try#c0a9760914bada211f4924ee16d41ae1a366d2ba for pr-148545
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feiei114%2Fim-ruscal" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/eiei114/im-ruscal
[INFO] finished tweaking git repo https://github.com/eiei114/im-ruscal
[INFO] tweaked toml for git repo https://github.com/eiei114/im-ruscal written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/eiei114/im-ruscal on toolchain c0a9760914bada211f4924ee16d41ae1a366d2ba
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c0a9760914bada211f4924ee16d41ae1a366d2ba" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/eiei114/im-ruscal 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" "+c0a9760914bada211f4924ee16d41ae1a366d2ba" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c0a9760914bada211f4924ee16d41ae1a366d2ba" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 96ce01217277688e3a697c50bcc1694b6e2090dab6f2957031bbdaf2ae937f1b
[INFO] running `Command { std: "docker" "start" "-a" "96ce01217277688e3a697c50bcc1694b6e2090dab6f2957031bbdaf2ae937f1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96ce01217277688e3a697c50bcc1694b6e2090dab6f2957031bbdaf2ae937f1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96ce01217277688e3a697c50bcc1694b6e2090dab6f2957031bbdaf2ae937f1b", kill_on_drop: false }`
[INFO] [stdout] 96ce01217277688e3a697c50bcc1694b6e2090dab6f2957031bbdaf2ae937f1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c0a9760914bada211f4924ee16d41ae1a366d2ba" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11ad6a6c00588284812d997f72de0be89ccb882857a8ce4639c7a3682081e3ca
[INFO] running `Command { std: "docker" "start" "-a" "11ad6a6c00588284812d997f72de0be89ccb882857a8ce4639c7a3682081e3ca", kill_on_drop: false }`
[INFO] [stderr]     Checking ruscal-b v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/main.rs:46:22
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn source(mut input: &str) -> (&str, TokenTree) {
[INFO] [stdout]    |                      ^^^^      ^^^^  ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                      |         |
[INFO] [stdout]    |                      |         the same lifetime is elided here
[INFO] [stdout]    |                      the lifetime is elided 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: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn source(mut input: &str) -> (&str, TokenTree<'_>) {
[INFO] [stdout]    |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/main.rs:83:17
[INFO] [stdout]    |
[INFO] [stdout] 83 | fn token(input: &str) -> Option<(&str, Token)> {
[INFO] [stdout]    |                 ^^^^             ^^^^  ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |                |
[INFO] [stdout]    |                 |                the same lifetime is elided here
[INFO] [stdout]    |                 the 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: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 83 | fn token(input: &str) -> Option<(&str, Token<'_>)> {
[INFO] [stdout]    |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/main.rs:121:21
[INFO] [stdout]     |
[INFO] [stdout] 121 | fn ident(mut input: &str) -> Option<(&str, Token)> {
[INFO] [stdout]     |                     ^^^^             ^^^^  ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |                |
[INFO] [stdout]     |                     |                the same lifetime is elided here
[INFO] [stdout]     |                     the 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: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 121 | fn ident(mut input: &str) -> Option<(&str, Token<'_>)> {
[INFO] [stdout]     |                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/main.rs:144:22
[INFO] [stdout]     |
[INFO] [stdout] 144 | fn number(mut input: &str) -> Option<(&str, Token)> {
[INFO] [stdout]     |                      ^^^^             ^^^^  ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |                |
[INFO] [stdout]     |                      |                the same lifetime is elided here
[INFO] [stdout]     |                      the 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: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 144 | fn number(mut input: &str) -> Option<(&str, Token<'_>)> {
[INFO] [stdout]     |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/main.rs:168:22
[INFO] [stdout]     |
[INFO] [stdout] 168 | fn lparen(mut input: &str) -> Option<(&str, Token)> {
[INFO] [stdout]     |                      ^^^^             ^^^^  ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |                |
[INFO] [stdout]     |                      |                the same lifetime is elided here
[INFO] [stdout]     |                      the 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: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 168 | fn lparen(mut input: &str) -> Option<(&str, Token<'_>)> {
[INFO] [stdout]     |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/main.rs:183:22
[INFO] [stdout]     |
[INFO] [stdout] 183 | fn rparen(mut input: &str) -> Option<(&str, Token)> {
[INFO] [stdout]     |                      ^^^^             ^^^^  ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |                |
[INFO] [stdout]     |                      |                the same lifetime is elided here
[INFO] [stdout]     |                      the 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: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 183 | fn rparen(mut input: &str) -> Option<(&str, Token<'_>)> {
[INFO] [stdout]     |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/main.rs:46:22
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn source(mut input: &str) -> (&str, TokenTree) {
[INFO] [stdout]    |                      ^^^^      ^^^^  ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                      |         |
[INFO] [stdout]    |                      |         the same lifetime is elided here
[INFO] [stdout]    |                      the lifetime is elided 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: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn source(mut input: &str) -> (&str, TokenTree<'_>) {
[INFO] [stdout]    |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/main.rs:83:17
[INFO] [stdout]    |
[INFO] [stdout] 83 | fn token(input: &str) -> Option<(&str, Token)> {
[INFO] [stdout]    |                 ^^^^             ^^^^  ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |                |
[INFO] [stdout]    |                 |                the same lifetime is elided here
[INFO] [stdout]    |                 the 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: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 83 | fn token(input: &str) -> Option<(&str, Token<'_>)> {
[INFO] [stdout]    |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/main.rs:121:21
[INFO] [stdout]     |
[INFO] [stdout] 121 | fn ident(mut input: &str) -> Option<(&str, Token)> {
[INFO] [stdout]     |                     ^^^^             ^^^^  ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |                |
[INFO] [stdout]     |                     |                the same lifetime is elided here
[INFO] [stdout]     |                     the 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: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 121 | fn ident(mut input: &str) -> Option<(&str, Token<'_>)> {
[INFO] [stdout]     |                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/main.rs:144:22
[INFO] [stdout]     |
[INFO] [stdout] 144 | fn number(mut input: &str) -> Option<(&str, Token)> {
[INFO] [stdout]     |                      ^^^^             ^^^^  ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |                |
[INFO] [stdout]     |                      |                the same lifetime is elided here
[INFO] [stdout]     |                      the 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: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 144 | fn number(mut input: &str) -> Option<(&str, Token<'_>)> {
[INFO] [stdout]     |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/main.rs:168:22
[INFO] [stdout]     |
[INFO] [stdout] 168 | fn lparen(mut input: &str) -> Option<(&str, Token)> {
[INFO] [stdout]     |                      ^^^^             ^^^^  ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |                |
[INFO] [stdout]     |                      |                the same lifetime is elided here
[INFO] [stdout]     |                      the 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: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 168 | fn lparen(mut input: &str) -> Option<(&str, Token<'_>)> {
[INFO] [stdout]     |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/main.rs:183:22
[INFO] [stdout]     |
[INFO] [stdout] 183 | fn rparen(mut input: &str) -> Option<(&str, Token)> {
[INFO] [stdout]     |                      ^^^^             ^^^^  ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |                |
[INFO] [stdout]     |                      |                the same lifetime is elided here
[INFO] [stdout]     |                      the 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: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 183 | fn rparen(mut input: &str) -> Option<(&str, Token<'_>)> {
[INFO] [stdout]     |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "11ad6a6c00588284812d997f72de0be89ccb882857a8ce4639c7a3682081e3ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11ad6a6c00588284812d997f72de0be89ccb882857a8ce4639c7a3682081e3ca", kill_on_drop: false }`
[INFO] [stdout] 11ad6a6c00588284812d997f72de0be89ccb882857a8ce4639c7a3682081e3ca