[INFO] fetching crate selfie 0.0.3...
[INFO] building selfie-0.0.3 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate selfie 0.0.3 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate selfie 0.0.3
[INFO] finished tweaking crates.io crate selfie 0.0.3
[INFO] tweaked toml for crates.io crate selfie 0.0.3 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate selfie 0.0.3 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 20 packages to latest compatible versions
[INFO] [stderr]       Adding trybuild v1.0.63 (available: v1.0.111)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 85dffb440e39be1c57500f6ba7f68219715954a16d1934a423eaf39b168f99fc
[INFO] running `Command { std: "docker" "start" "-a" "85dffb440e39be1c57500f6ba7f68219715954a16d1934a423eaf39b168f99fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85dffb440e39be1c57500f6ba7f68219715954a16d1934a423eaf39b168f99fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85dffb440e39be1c57500f6ba7f68219715954a16d1934a423eaf39b168f99fc", kill_on_drop: false }`
[INFO] [stdout] 85dffb440e39be1c57500f6ba7f68219715954a16d1934a423eaf39b168f99fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df71245c778be5c359a7f24b4cb44bcd24c482683ab3ea495a42e5c58daa8c03
[INFO] running `Command { std: "docker" "start" "-a" "df71245c778be5c359a7f24b4cb44bcd24c482683ab3ea495a42e5c58daa8c03", kill_on_drop: false }`
[INFO] [stderr]    Compiling selfie v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "df71245c778be5c359a7f24b4cb44bcd24c482683ab3ea495a42e5c58daa8c03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df71245c778be5c359a7f24b4cb44bcd24c482683ab3ea495a42e5c58daa8c03", kill_on_drop: false }`
[INFO] [stdout] df71245c778be5c359a7f24b4cb44bcd24c482683ab3ea495a42e5c58daa8c03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4abec356a841b7bd9847b5dd4d01326c36f61ca66833b51989f17734679cebe8
[INFO] running `Command { std: "docker" "start" "-a" "4abec356a841b7bd9847b5dd4d01326c36f61ca66833b51989f17734679cebe8", kill_on_drop: false }`
[INFO] [stderr]    Compiling trybuild v1.0.63
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling selfie v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> tests/simple_ref.rs:121:26
[INFO] [stdout]     |
[INFO] [stdout] 121 | fn all_but_first_char(x: &RefCell<String>) -> Selfie<::core::cell::Ref<String>, Ref<str>> {
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                          |                    |      |
[INFO] [stdout]     |                          |                    |      the same lifetime is hidden here
[INFO] [stdout]     |                          |                    the same lifetime is hidden 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] 121 | fn all_but_first_char(x: &RefCell<String>) -> Selfie<'_, ::core::cell::Ref<'_, String>, Ref<str>> {
[INFO] [stdout]     |                                                      +++                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.25s
[INFO] running `Command { std: "docker" "inspect" "4abec356a841b7bd9847b5dd4d01326c36f61ca66833b51989f17734679cebe8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4abec356a841b7bd9847b5dd4d01326c36f61ca66833b51989f17734679cebe8", kill_on_drop: false }`
[INFO] [stdout] 4abec356a841b7bd9847b5dd4d01326c36f61ca66833b51989f17734679cebe8