[INFO] fetching crate sparrow 0.1.0...
[INFO] testing sparrow-0.1.0 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate sparrow 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate sparrow 0.1.0
[INFO] finished tweaking crates.io crate sparrow 0.1.0
[INFO] tweaked toml for crates.io crate sparrow 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sparrow 0.1.0 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sparrow 0.1.0 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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6a41f633e86ef6ce53bf7f61bbc0ded58d6a0981953af2f8ca5b39dbf405a6f
[INFO] running `Command { std: "docker" "start" "-a" "b6a41f633e86ef6ce53bf7f61bbc0ded58d6a0981953af2f8ca5b39dbf405a6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6a41f633e86ef6ce53bf7f61bbc0ded58d6a0981953af2f8ca5b39dbf405a6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6a41f633e86ef6ce53bf7f61bbc0ded58d6a0981953af2f8ca5b39dbf405a6f", kill_on_drop: false }`
[INFO] [stdout] b6a41f633e86ef6ce53bf7f61bbc0ded58d6a0981953af2f8ca5b39dbf405a6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eaaf94c43aa5e90c437a5f6cfd37904989c527710c8d349ad4d31c96508a7414
[INFO] running `Command { std: "docker" "start" "-a" "eaaf94c43aa5e90c437a5f6cfd37904989c527710c8d349ad4d31c96508a7414", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling sparrow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/cli/mod.rs:27:23
[INFO] [stdout]    |
[INFO] [stdout] 27 |   pub fn new(engine: &'_ mut core::Sparrow) -> Cli {
[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] 27 |   pub fn new(engine: &'_ mut core::Sparrow) -> Cli<'_> {
[INFO] [stdout]    |                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.95s
[INFO] running `Command { std: "docker" "inspect" "eaaf94c43aa5e90c437a5f6cfd37904989c527710c8d349ad4d31c96508a7414", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eaaf94c43aa5e90c437a5f6cfd37904989c527710c8d349ad4d31c96508a7414", kill_on_drop: false }`
[INFO] [stdout] eaaf94c43aa5e90c437a5f6cfd37904989c527710c8d349ad4d31c96508a7414
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7488141cd81176bb88860a7e61f591f55e316a467694891cf5bf99e6f931c7a5
[INFO] running `Command { std: "docker" "start" "-a" "7488141cd81176bb88860a7e61f591f55e316a467694891cf5bf99e6f931c7a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.50
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling rstest v0.6.4
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/cli/mod.rs:27:23
[INFO] [stdout]    |
[INFO] [stdout] 27 |   pub fn new(engine: &'_ mut core::Sparrow) -> Cli {
[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] 27 |   pub fn new(engine: &'_ mut core::Sparrow) -> Cli<'_> {
[INFO] [stdout]    |                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling sparrow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/cli/mod.rs:27:23
[INFO] [stdout]    |
[INFO] [stdout] 27 |   pub fn new(engine: &'_ mut core::Sparrow) -> Cli {
[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] 27 |   pub fn new(engine: &'_ mut core::Sparrow) -> Cli<'_> {
[INFO] [stdout]    |                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 8.39s
[INFO] running `Command { std: "docker" "inspect" "7488141cd81176bb88860a7e61f591f55e316a467694891cf5bf99e6f931c7a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7488141cd81176bb88860a7e61f591f55e316a467694891cf5bf99e6f931c7a5", kill_on_drop: false }`
[INFO] [stdout] 7488141cd81176bb88860a7e61f591f55e316a467694891cf5bf99e6f931c7a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6a232a851b27b3b77f10b7a831960ed413ef6b7167d302d53ead732405efe58c
[INFO] running `Command { std: "docker" "start" "-a" "6a232a851b27b3b77f10b7a831960ed413ef6b7167d302d53ead732405efe58c", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/cli/mod.rs:27:23
[INFO] [stderr]    |
[INFO] [stderr] 27 |   pub fn new(engine: &'_ mut core::Sparrow) -> Cli {
[INFO] [stderr]    |                       ^^                       ^^^ the same lifetime is hidden here
[INFO] [stderr]    |                       |
[INFO] [stderr]    |                       the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 27 |   pub fn new(engine: &'_ mut core::Sparrow) -> Cli<'_> {
[INFO] [stderr]    |                                                   ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `sparrow` (lib) generated 1 warning (run `cargo fix --lib -p sparrow` to apply 1 suggestion)
[INFO] [stderr] warning: `sparrow` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sparrow-3f0f73018230197e)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test core::egg::tests::test_egg_getters ... ok
[INFO] [stdout] test core::egg::tests::test_egg_new ... ok
[INFO] [stdout] test core::nest::tests::test_nest_get ... ok
[INFO] [stdout] test core::nest::tests::test_nest_insert ... ok
[INFO] [stdout] test core::nest::tests::test_nest_new ... ok
[INFO] [stdout] test core::nest::tests::test_nest_pop ... ok
[INFO] [stdout] test core::sparrow::tests::test_sparrow_get ... ok
[INFO] [stdout] test core::nest::tests::test_new_nest ... ok
[INFO] [stdout] test core::sparrow::tests::test_sparrow_insert ... ok
[INFO] [stdout] test core::sparrow::tests::test_sparrow_pop ... ok
[INFO] [stdout] test core::sparrow::tests::test_sparrow_new ... ok
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/sparrow-7201300dc022947f)
[INFO] [stderr]    Doc-tests sparrow
[INFO] [stdout] test core::egg::tests::test_egg_display_impl ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6a232a851b27b3b77f10b7a831960ed413ef6b7167d302d53ead732405efe58c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a232a851b27b3b77f10b7a831960ed413ef6b7167d302d53ead732405efe58c", kill_on_drop: false }`
[INFO] [stdout] 6a232a851b27b3b77f10b7a831960ed413ef6b7167d302d53ead732405efe58c