[INFO] fetching crate tigers 0.1.5...
[INFO] building tigers-0.1.5 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate tigers 0.1.5 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate tigers 0.1.5
[INFO] finished tweaking crates.io crate tigers 0.1.5
[INFO] tweaked toml for crates.io crate tigers 0.1.5 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tigers 0.1.5 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] crate crates.io crate tigers 0.1.5 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4608c40150ee810a6892f58703e65c430e01aeb8029e47e2113dd1ed86c15f98
[INFO] running `Command { std: "docker" "start" "-a" "4608c40150ee810a6892f58703e65c430e01aeb8029e47e2113dd1ed86c15f98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4608c40150ee810a6892f58703e65c430e01aeb8029e47e2113dd1ed86c15f98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4608c40150ee810a6892f58703e65c430e01aeb8029e47e2113dd1ed86c15f98", kill_on_drop: false }`
[INFO] [stdout] 4608c40150ee810a6892f58703e65c430e01aeb8029e47e2113dd1ed86c15f98
[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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60cd7034c4a483de57c292cf36664232e5b0cf613f75733a754158faf4570b58
[INFO] running `Command { std: "docker" "start" "-a" "60cd7034c4a483de57c292cf36664232e5b0cf613f75733a754158faf4570b58", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde v1.0.138
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling ryu v1.0.10
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling tigers v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/structs/column.rs:14:24
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub(crate) fn iter(&self) -> std::slice::Iter<String> {
[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] 14 |     pub(crate) fn iter(&self) -> std::slice::Iter<'_, String> {
[INFO] [stdout]    |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.22s
[INFO] running `Command { std: "docker" "inspect" "60cd7034c4a483de57c292cf36664232e5b0cf613f75733a754158faf4570b58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60cd7034c4a483de57c292cf36664232e5b0cf613f75733a754158faf4570b58", kill_on_drop: false }`
[INFO] [stdout] 60cd7034c4a483de57c292cf36664232e5b0cf613f75733a754158faf4570b58
[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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 651ec46385b6cb208a6531aaa8a605a0327f23ce62f73dd5af9ac2ad279d6de7
[INFO] running `Command { std: "docker" "start" "-a" "651ec46385b6cb208a6531aaa8a605a0327f23ce62f73dd5af9ac2ad279d6de7", kill_on_drop: false }`
[INFO] [stderr]    Compiling tigers v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/structs/column.rs:14:24
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub(crate) fn iter(&self) -> std::slice::Iter<String> {
[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] 14 |     pub(crate) fn iter(&self) -> std::slice::Iter<'_, String> {
[INFO] [stdout]    |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/structs/column.rs:14:24
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub(crate) fn iter(&self) -> std::slice::Iter<String> {
[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] 14 |     pub(crate) fn iter(&self) -> std::slice::Iter<'_, String> {
[INFO] [stdout]    |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "651ec46385b6cb208a6531aaa8a605a0327f23ce62f73dd5af9ac2ad279d6de7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "651ec46385b6cb208a6531aaa8a605a0327f23ce62f73dd5af9ac2ad279d6de7", kill_on_drop: false }`
[INFO] [stdout] 651ec46385b6cb208a6531aaa8a605a0327f23ce62f73dd5af9ac2ad279d6de7