[INFO] cloning repository https://github.com/codepr/rlb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/codepr/rlb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodepr%2Frlb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodepr%2Frlb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6f21ecf9bc8e10809ca633cbb854d4cd33276a57
[INFO] fixing codepr/rlb/6f21ecf9bc8e10809ca633cbb854d4cd33276a57 against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodepr%2Frlb" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/codepr/rlb
[INFO] finished tweaking git repo https://github.com/codepr/rlb
[INFO] tweaked toml for git repo https://github.com/codepr/rlb written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/codepr/rlb on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/codepr/rlb 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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-macros v0.2.6
[INFO] [stderr]   Downloaded signal-hook-registry v1.4.6
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.101
[INFO] [stderr]   Downloaded windows-interface v0.59.1
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.101
[INFO] [stderr]   Downloaded cfg-if v1.0.3
[INFO] [stderr]   Downloaded windows-link v0.2.0
[INFO] [stderr]   Downloaded windows-strings v0.5.0
[INFO] [stderr]   Downloaded windows-result v0.4.0
[INFO] [stderr]   Downloaded unicode-ident v1.0.19
[INFO] [stderr]   Downloaded pin-project-lite v0.1.12
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.101
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.101
[INFO] [stderr]   Downloaded miow v0.3.7
[INFO] [stderr]   Downloaded serde v1.0.221
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.101
[INFO] [stderr]   Downloaded windows-implement v0.60.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.101
[INFO] [stderr]   Downloaded serde_yaml v0.8.26
[INFO] [stderr]   Downloaded yaml-rust v0.4.5
[INFO] [stderr]   Downloaded indexmap v1.9.3
[INFO] [stderr]   Downloaded windows-core v0.62.0
[INFO] [stderr]   Downloaded find-msvc-tools v0.1.1
[INFO] [stderr]   Downloaded serde_derive v1.0.221
[INFO] [stderr]   Downloaded js-sys v0.3.78
[INFO] [stderr]   Downloaded serde_core v1.0.221
[INFO] [stderr]   Downloaded zerocopy-derive v0.8.27
[INFO] [stderr]   Downloaded cc v1.2.37
[INFO] [stderr]   Downloaded zerocopy v0.8.27
[INFO] [stderr]   Downloaded tokio v0.2.25
[INFO] [stderr]   Downloaded syn v2.0.106
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 8dbf635a1ad64692131651f3db1fa037a11c36ade2d77ab45461e8675d8aabae
[INFO] running `Command { std: "docker" "start" "8dbf635a1ad64692131651f3db1fa037a11c36ade2d77ab45461e8675d8aabae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8dbf635a1ad64692131651f3db1fa037a11c36ade2d77ab45461e8675d8aabae" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8dbf635a1ad64692131651f3db1fa037a11c36ade2d77ab45461e8675d8aabae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8dbf635a1ad64692131651f3db1fa037a11c36ade2d77ab45461e8675d8aabae" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling serde_core v1.0.221
[INFO] [stderr]     Checking cfg-if v1.0.3
[INFO] [stderr]     Checking log v0.4.28
[INFO] [stderr]    Compiling serde v1.0.221
[INFO] [stderr]     Checking slab v0.4.11
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking iana-time-zone v0.1.64
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking signal-hook-registry v1.4.6
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]     Checking chrono v0.4.42
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]    Compiling serde_derive v1.0.221
[INFO] [stderr]     Checking serde_yaml v0.8.26
[INFO] [stderr]     Checking rlb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/backend.rs:99:21
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub fn iter_mut(&mut self) -> std::slice::IterMut<Backend> {
[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] 99 |     pub fn iter_mut(&mut self) -> std::slice::IterMut<'_, Backend> {
[INFO] [stdout]    |                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/backend.rs:99:21
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub fn iter_mut(&mut self) -> std::slice::IterMut<Backend> {
[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] 99 |     pub fn iter_mut(&mut self) -> std::slice::IterMut<'_, Backend> {
[INFO] [stdout]    |                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.01s
[INFO] [stderr] crater-edition-check: all finished
[INFO] running `Command { std: "docker" "inspect" "8dbf635a1ad64692131651f3db1fa037a11c36ade2d77ab45461e8675d8aabae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dbf635a1ad64692131651f3db1fa037a11c36ade2d77ab45461e8675d8aabae", kill_on_drop: false }`
[INFO] [stdout] 8dbf635a1ad64692131651f3db1fa037a11c36ade2d77ab45461e8675d8aabae
