[INFO] fetching crate rustc-targets 0.1.0...
[INFO] building rustc-targets-0.1.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate rustc-targets 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate rustc-targets 0.1.0
[INFO] finished tweaking crates.io crate rustc-targets 0.1.0
[INFO] tweaked toml for crates.io crate rustc-targets 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rustc-targets 0.1.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 320c8e64c57e86d94e16ee30491cf71b7e2bef852e3faaa1e5d05a56d9625716
[INFO] running `Command { std: "docker" "start" "-a" "320c8e64c57e86d94e16ee30491cf71b7e2bef852e3faaa1e5d05a56d9625716", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "320c8e64c57e86d94e16ee30491cf71b7e2bef852e3faaa1e5d05a56d9625716", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "320c8e64c57e86d94e16ee30491cf71b7e2bef852e3faaa1e5d05a56d9625716", kill_on_drop: false }`
[INFO] [stdout] 320c8e64c57e86d94e16ee30491cf71b7e2bef852e3faaa1e5d05a56d9625716
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35e144c60f7903631952c9fbe96266627c13a937788d1262bf08432ceb356b41
[INFO] running `Command { std: "docker" "start" "-a" "35e144c60f7903631952c9fbe96266627c13a937788d1262bf08432ceb356b41", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-targets v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/lib.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub fn iter(&self) -> Result<TargetsIter, std::str::Utf8Error> {
[INFO] [stdout]   |                 ^^^^^            ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]   |                 |
[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] 6 |     pub fn iter(&self) -> Result<TargetsIter<'_>, std::str::Utf8Error> {
[INFO] [stdout]   |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "35e144c60f7903631952c9fbe96266627c13a937788d1262bf08432ceb356b41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35e144c60f7903631952c9fbe96266627c13a937788d1262bf08432ceb356b41", kill_on_drop: false }`
[INFO] [stdout] 35e144c60f7903631952c9fbe96266627c13a937788d1262bf08432ceb356b41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea68c77ed548f072bbf176582e57c2f4dd01e26e6540e62a8eb9a634cea2768d
[INFO] running `Command { std: "docker" "start" "-a" "ea68c77ed548f072bbf176582e57c2f4dd01e26e6540e62a8eb9a634cea2768d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-targets v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/lib.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub fn iter(&self) -> Result<TargetsIter, std::str::Utf8Error> {
[INFO] [stdout]   |                 ^^^^^            ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]   |                 |
[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] 6 |     pub fn iter(&self) -> Result<TargetsIter<'_>, std::str::Utf8Error> {
[INFO] [stdout]   |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/lib.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub fn iter(&self) -> Result<TargetsIter, std::str::Utf8Error> {
[INFO] [stdout]   |                 ^^^^^            ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]   |                 |
[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] 6 |     pub fn iter(&self) -> Result<TargetsIter<'_>, std::str::Utf8Error> {
[INFO] [stdout]   |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "ea68c77ed548f072bbf176582e57c2f4dd01e26e6540e62a8eb9a634cea2768d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea68c77ed548f072bbf176582e57c2f4dd01e26e6540e62a8eb9a634cea2768d", kill_on_drop: false }`
[INFO] [stdout] ea68c77ed548f072bbf176582e57c2f4dd01e26e6540e62a8eb9a634cea2768d