[INFO] cloning repository https://github.com/chenyan2002/ic-repl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chenyan2002/ic-repl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchenyan2002%2Fic-repl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchenyan2002%2Fic-repl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ed7c87eba5400c7d0f7e50f0e3f860d70c62d4d6
[INFO] checking chenyan2002/ic-repl against try#4797991aa2efb6d658150f10425b3f3b5d10eceb for pr-143193
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchenyan2002%2Fic-repl" "/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/chenyan2002/ic-repl
[INFO] finished tweaking git repo https://github.com/chenyan2002/ic-repl
[INFO] tweaked toml for git repo https://github.com/chenyan2002/ic-repl written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/chenyan2002/ic-repl on toolchain 4797991aa2efb6d658150f10425b3f3b5d10eceb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4797991aa2efb6d658150f10425b3f3b5d10eceb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/chenyan2002/ic-repl 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" "+4797991aa2efb6d658150f10425b3f3b5d10eceb" "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-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+4797991aa2efb6d658150f10425b3f3b5d10eceb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f20941cf3d2eedfb6c9ac1ac2a8d70a816c1d581edea11b06d14c9c909ce5fd
[INFO] running `Command { std: "docker" "start" "-a" "1f20941cf3d2eedfb6c9ac1ac2a8d70a816c1d581edea11b06d14c9c909ce5fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f20941cf3d2eedfb6c9ac1ac2a8d70a816c1d581edea11b06d14c9c909ce5fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f20941cf3d2eedfb6c9ac1ac2a8d70a816c1d581edea11b06d14c9c909ce5fd", kill_on_drop: false }`
[INFO] [stdout] 1f20941cf3d2eedfb6c9ac1ac2a8d70a816c1d581edea11b06d14c9c909ce5fd
[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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+4797991aa2efb6d658150f10425b3f3b5d10eceb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06ec41d6188ec2109d8ed630db5c97ee2ced2633c58f4fe4c94bf65bea318043
[INFO] running `Command { std: "docker" "start" "-a" "06ec41d6188ec2109d8ed630db5c97ee2ced2633c58f4fe4c94bf65bea318043", kill_on_drop: false }`
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[INFO] [stdout] warning: struct `Spanned` is never constructed
[INFO] [stdout]    --> src/token.rs:169:12
[INFO] [stdout]     |
[INFO] [stdout] 169 | pub struct Spanned<T> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/utils.rs:12:21
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn stringify(v: &IDLValue) -> anyhow::Result<Cow<str>> {
[INFO] [stdout]    |                     ^^^^^^^^^                    -------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn stringify(v: &IDLValue) -> anyhow::Result<Cow<'_, str>> {
[INFO] [stdout]    |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Spanned` is never constructed
[INFO] [stdout]    --> src/token.rs:169:12
[INFO] [stdout]     |
[INFO] [stdout] 169 | pub struct Spanned<T> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/utils.rs:12:21
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn stringify(v: &IDLValue) -> anyhow::Result<Cow<str>> {
[INFO] [stdout]    |                     ^^^^^^^^^                    -------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn stringify(v: &IDLValue) -> anyhow::Result<Cow<'_, str>> {
[INFO] [stdout]    |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `Command { std: "docker" "inspect" "06ec41d6188ec2109d8ed630db5c97ee2ced2633c58f4fe4c94bf65bea318043", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06ec41d6188ec2109d8ed630db5c97ee2ced2633c58f4fe4c94bf65bea318043", kill_on_drop: false }`
[INFO] [stdout] 06ec41d6188ec2109d8ed630db5c97ee2ced2633c58f4fe4c94bf65bea318043