[INFO] fetching crate mu-cli 0.0.2...
[INFO] testing mu-cli-0.0.2 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate mu-cli 0.0.2 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate mu-cli 0.0.2
[INFO] finished tweaking crates.io crate mu-cli 0.0.2
[INFO] tweaked toml for crates.io crate mu-cli 0.0.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mu-cli 0.0.2 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mu-cli 0.0.2 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c425aeb5cb690c67661c15040846e132088b89004a6af1bab7c7df80b266f547
[INFO] running `Command { std: "docker" "start" "-a" "c425aeb5cb690c67661c15040846e132088b89004a6af1bab7c7df80b266f547", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c425aeb5cb690c67661c15040846e132088b89004a6af1bab7c7df80b266f547", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c425aeb5cb690c67661c15040846e132088b89004a6af1bab7c7df80b266f547", kill_on_drop: false }`
[INFO] [stdout] c425aeb5cb690c67661c15040846e132088b89004a6af1bab7c7df80b266f547
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc530bf2ce96e5eff3eb18efdcd3565d30e886fdc393b3c279c78a1a40f579e9
[INFO] running `Command { std: "docker" "start" "-a" "cc530bf2ce96e5eff3eb18efdcd3565d30e886fdc393b3c279c78a1a40f579e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
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[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling pest_derive v2.7.14
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[INFO] [stderr]    Compiling serde_bytes v0.11.15
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[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling toml_edit v0.22.22
[INFO] [stderr]    Compiling handlebars v6.1.0
[INFO] [stderr]    Compiling candid v0.10.10
[INFO] [stderr]    Compiling toml v0.8.19
[INFO] [stderr]    Compiling candid_parser v0.1.4
[INFO] [stderr]    Compiling mu-cli v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/project/mod.rs:262:20
[INFO] [stdout]     |
[INFO] [stdout] 262 |     fn get_backend(&self) -> JsBackend {
[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] 262 |     fn get_backend(&self) -> JsBackend<'_> {
[INFO] [stdout]     |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 09s
[INFO] running `Command { std: "docker" "inspect" "cc530bf2ce96e5eff3eb18efdcd3565d30e886fdc393b3c279c78a1a40f579e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc530bf2ce96e5eff3eb18efdcd3565d30e886fdc393b3c279c78a1a40f579e9", kill_on_drop: false }`
[INFO] [stdout] cc530bf2ce96e5eff3eb18efdcd3565d30e886fdc393b3c279c78a1a40f579e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e3577e6aa7870608483f6dd006341263443707f2f66f3bb935562dfa07b862e
[INFO] running `Command { std: "docker" "start" "-a" "5e3577e6aa7870608483f6dd006341263443707f2f66f3bb935562dfa07b862e", kill_on_drop: false }`
[INFO] [stderr]    Compiling mu-cli v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/project/mod.rs:262:20
[INFO] [stdout]     |
[INFO] [stdout] 262 |     fn get_backend(&self) -> JsBackend {
[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] 262 |     fn get_backend(&self) -> JsBackend<'_> {
[INFO] [stdout]     |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "5e3577e6aa7870608483f6dd006341263443707f2f66f3bb935562dfa07b862e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e3577e6aa7870608483f6dd006341263443707f2f66f3bb935562dfa07b862e", kill_on_drop: false }`
[INFO] [stdout] 5e3577e6aa7870608483f6dd006341263443707f2f66f3bb935562dfa07b862e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bdd2041c224db74ccb23ebdec2308a34de488f9d4ad936aec8ff43d79f84fcba
[INFO] running `Command { std: "docker" "start" "-a" "bdd2041c224db74ccb23ebdec2308a34de488f9d4ad936aec8ff43d79f84fcba", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/project/mod.rs:262:20
[INFO] [stderr]     |
[INFO] [stderr] 262 |     fn get_backend(&self) -> JsBackend {
[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] 262 |     fn get_backend(&self) -> JsBackend<'_> {
[INFO] [stderr]     |                                       ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `mu-cli` (bin "mu" test) generated 1 warning (run `cargo fix --bin "mu" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mu-42712867409f2266)
[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" "bdd2041c224db74ccb23ebdec2308a34de488f9d4ad936aec8ff43d79f84fcba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdd2041c224db74ccb23ebdec2308a34de488f9d4ad936aec8ff43d79f84fcba", kill_on_drop: false }`
[INFO] [stdout] bdd2041c224db74ccb23ebdec2308a34de488f9d4ad936aec8ff43d79f84fcba