[INFO] fetching crate shrev 1.1.3...
[INFO] building shrev-1.1.3 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate shrev 1.1.3 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate shrev 1.1.3
[INFO] finished tweaking crates.io crate shrev 1.1.3
[INFO] tweaked toml for crates.io crate shrev 1.1.3 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate shrev 1.1.3 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] crate crates.io crate shrev 1.1.3 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 026a59f6272c9c653524d041eaa2a11a94001003e079876841581d72afcf1fac
[INFO] running `Command { std: "docker" "start" "-a" "026a59f6272c9c653524d041eaa2a11a94001003e079876841581d72afcf1fac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "026a59f6272c9c653524d041eaa2a11a94001003e079876841581d72afcf1fac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "026a59f6272c9c653524d041eaa2a11a94001003e079876841581d72afcf1fac", kill_on_drop: false }`
[INFO] [stdout] 026a59f6272c9c653524d041eaa2a11a94001003e079876841581d72afcf1fac
[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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c90dbe279d70e8f05a54a15474a36fb58e1c78a7d183e09cda96e18348c501b
[INFO] running `Command { std: "docker" "start" "-a" "7c90dbe279d70e8f05a54a15474a36fb58e1c78a7d183e09cda96e18348c501b", kill_on_drop: false }`
[INFO] [stderr]    Compiling shrev v1.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:181:17
[INFO] [stdout]     |
[INFO] [stdout] 181 |     pub fn read(&self, reader_id: &mut ReaderId<E>) -> EventIterator<E> {
[INFO] [stdout]     |                 ^^^^^ the lifetime is elided here      ^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 181 |     pub fn read(&self, reader_id: &mut ReaderId<E>) -> EventIterator<'_, E> {
[INFO] [stdout]     |                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/storage.rs:503:17
[INFO] [stdout]     |
[INFO] [stdout] 503 |     pub fn read(&self, reader_id: &mut ReaderId<T>) -> StorageIterator<T> {
[INFO] [stdout]     |                 ^^^^^ the lifetime is elided here      ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 503 |     pub fn read(&self, reader_id: &mut ReaderId<T>) -> StorageIterator<'_, T> {
[INFO] [stdout]     |                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "7c90dbe279d70e8f05a54a15474a36fb58e1c78a7d183e09cda96e18348c501b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c90dbe279d70e8f05a54a15474a36fb58e1c78a7d183e09cda96e18348c501b", kill_on_drop: false }`
[INFO] [stdout] 7c90dbe279d70e8f05a54a15474a36fb58e1c78a7d183e09cda96e18348c501b
[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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cdab6b64f011aa301e96470770312dd90f25de526d8fe1dffebe44852d856df9
[INFO] running `Command { std: "docker" "start" "-a" "cdab6b64f011aa301e96470770312dd90f25de526d8fe1dffebe44852d856df9", kill_on_drop: false }`
[INFO] [stderr]    Compiling shrev v1.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:181:17
[INFO] [stdout]     |
[INFO] [stdout] 181 |     pub fn read(&self, reader_id: &mut ReaderId<E>) -> EventIterator<E> {
[INFO] [stdout]     |                 ^^^^^ the lifetime is elided here      ^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 181 |     pub fn read(&self, reader_id: &mut ReaderId<E>) -> EventIterator<'_, E> {
[INFO] [stdout]     |                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/storage.rs:503:17
[INFO] [stdout]     |
[INFO] [stdout] 503 |     pub fn read(&self, reader_id: &mut ReaderId<T>) -> StorageIterator<T> {
[INFO] [stdout]     |                 ^^^^^ the lifetime is elided here      ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 503 |     pub fn read(&self, reader_id: &mut ReaderId<T>) -> StorageIterator<'_, T> {
[INFO] [stdout]     |                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/storage.rs:503:17
[INFO] [stdout]     |
[INFO] [stdout] 503 |     pub fn read(&self, reader_id: &mut ReaderId<T>) -> StorageIterator<T> {
[INFO] [stdout]     |                 ^^^^^ the lifetime is elided here      ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 503 |     pub fn read(&self, reader_id: &mut ReaderId<T>) -> StorageIterator<'_, T> {
[INFO] [stdout]     |                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Test2` is never constructed
[INFO] [stdout]    --> src/storage.rs:614:12
[INFO] [stdout]     |
[INFO] [stdout] 614 |     struct Test2 {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:181:17
[INFO] [stdout]     |
[INFO] [stdout] 181 |     pub fn read(&self, reader_id: &mut ReaderId<E>) -> EventIterator<E> {
[INFO] [stdout]     |                 ^^^^^ the lifetime is elided here      ^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 181 |     pub fn read(&self, reader_id: &mut ReaderId<E>) -> EventIterator<'_, E> {
[INFO] [stdout]     |                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "cdab6b64f011aa301e96470770312dd90f25de526d8fe1dffebe44852d856df9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdab6b64f011aa301e96470770312dd90f25de526d8fe1dffebe44852d856df9", kill_on_drop: false }`
[INFO] [stdout] cdab6b64f011aa301e96470770312dd90f25de526d8fe1dffebe44852d856df9
