[INFO] cloning repository https://github.com/google/mosaic
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/google/mosaic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoogle%2Fmosaic", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoogle%2Fmosaic'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 345566951a795e69809dca52619631821e2897ed
[INFO] checking google/mosaic against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoogle%2Fmosaic" "/workspace/builds/worker-21/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-21/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/google/mosaic on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-21/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-21/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/google/mosaic
[INFO] finished tweaking git repo https://github.com/google/mosaic
[INFO] tweaked toml for git repo https://github.com/google/mosaic written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate git repo https://github.com/google/mosaic already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f71b7413deae927c1ee309007fdbd239e86f18a4d7d7d7a1059bc7a417ec1d3d
[INFO] running `Command { std: "docker" "start" "-a" "f71b7413deae927c1ee309007fdbd239e86f18a4d7d7d7a1059bc7a417ec1d3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f71b7413deae927c1ee309007fdbd239e86f18a4d7d7d7a1059bc7a417ec1d3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f71b7413deae927c1ee309007fdbd239e86f18a4d7d7d7a1059bc7a417ec1d3d", kill_on_drop: false }`
[INFO] [stdout] f71b7413deae927c1ee309007fdbd239e86f18a4d7d7d7a1059bc7a417ec1d3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4884997efe7e1d9322484dd760ed767d738fd0cc06e1b1733d308e36d73a1e3f
[INFO] running `Command { std: "docker" "start" "-a" "4884997efe7e1d9322484dd760ed767d738fd0cc06e1b1733d308e36d73a1e3f", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo.
[INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously.
[INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html
[INFO] [stderr] When building the following dependencies, the given features will no longer be used:
[INFO] [stderr] 
[INFO] [stderr]   proc-macro2 v1.0.19 (as host dependency): span-locations
[INFO] [stderr]   syn v1.0.36: extra-traits, fold, visit
[INFO] [stderr] 
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking smallvec v1.4.1
[INFO] [stderr]    Compiling unindent v0.1.6
[INFO] [stderr]     Checking instant v0.1.6
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking cc v1.0.58
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.3
[INFO] [stderr]     Checking libloading v0.7.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking codespan-reporting v0.9.5
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]     Checking codespan v0.9.5
[INFO] [stderr]    Compiling hashbrown v0.8.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling indexmap v1.5.0
[INFO] [stderr]    Compiling clang-sys v1.2.0
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking clang v1.0.3
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking cc_use_common v0.1.0 (/tmp/fixit/cc_use_common)
[INFO] [stderr]     Checking gen_macro_impl v0.1.0 (/tmp/fixit/gen_macro/impl)
[INFO] [stderr]    Migrating gen_macro/impl/src/lib.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating cc_use_common/src/lib.rs from 2018 edition to 2021
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]     Checking cc_use v0.1.0 (/tmp/fixit/cc_use)
[INFO] [stderr]    Migrating cc_use/src/lib.rs from 2018 edition to 2021
[INFO] [stderr]    Compiling rental-impl v0.5.5
[INFO] [stderr]    Compiling salsa-macros v0.14.1
[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]     Checking salsa v0.14.4
[INFO] [stderr]     Checking gen_macro v0.1.0 (/tmp/fixit/gen_macro)
[INFO] [stderr]    Migrating gen_macro/src/lib.rs from 2018 edition to 2021
[INFO] [stderr]     Checking structopt v0.3.15
[INFO] [stderr]     Checking rental v0.5.6
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking trybuild v1.0.30 (https://github.com/tmandry/trybuild.git?branch=strategy#1a5990c4)
[INFO] [stderr]     Checking mosaic v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stdout] warning: using `procedural-masquerade` crate
[INFO] [stdout]    --> src/libclang/mod.rs:310:1
[INFO] [stdout]     |
[INFO] [stdout] 310 | / rental! {
[INFO] [stdout] 311 | |     mod rent {
[INFO] [stdout] 312 | |         use super::*;
[INFO] [stdout] 313 | |
[INFO] [stdout] ...   |
[INFO] [stdout] 347 | |     }
[INFO] [stdout] 348 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(proc_macro_back_compat)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #83125 <https://github.com/rust-lang/rust/issues/83125>
[INFO] [stdout]     = note: The `procedural-masquerade` crate has been unnecessary since Rust 1.30.0. Versions of this crate below 0.1.7 will eventually stop compiling.
[INFO] [stdout]     = note: this warning originates in the macro `rental` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating examples/bindings.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/runtests.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/mosaic.rs from 2018 edition to 2021
[INFO] [stdout] warning: using `procedural-masquerade` crate
[INFO] [stdout]    --> src/libclang/mod.rs:310:1
[INFO] [stdout]     |
[INFO] [stdout] 310 | / rental! {
[INFO] [stdout] 311 | |     mod rent {
[INFO] [stdout] 312 | |         use super::*;
[INFO] [stdout] 313 | |
[INFO] [stdout] ...   |
[INFO] [stdout] 347 | |     }
[INFO] [stdout] 348 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(proc_macro_back_compat)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #83125 <https://github.com/rust-lang/rust/issues/83125>
[INFO] [stdout]     = note: The `procedural-masquerade` crate has been unnecessary since Rust 1.30.0. Versions of this crate below 0.1.7 will eventually stop compiling.
[INFO] [stdout]     = note: this warning originates in the macro `rental` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.08s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking cc_use_common v0.1.0 (/tmp/fixit/cc_use_common)
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.3
[INFO] [stderr]    Compiling gen_macro_impl v0.1.0 (/tmp/fixit/gen_macro/impl)
[INFO] [stderr]    Compiling rental-impl v0.5.5
[INFO] [stderr]    Compiling salsa-macros v0.14.1
[INFO] [stderr]     Checking cc_use v0.1.0 (/tmp/fixit/cc_use)
[INFO] [stderr]    Compiling proc-macro-error v1.0.3
[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]     Checking gen_macro v0.1.0 (/tmp/fixit/gen_macro)
[INFO] [stderr]     Checking salsa v0.14.4
[INFO] [stderr]     Checking structopt v0.3.15
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]     Checking rental v0.5.6
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking trybuild v1.0.30 (https://github.com/tmandry/trybuild.git?branch=strategy#1a5990c4)
[INFO] [stderr]     Checking mosaic v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: using `procedural-masquerade` crate
[INFO] [stdout]    --> src/libclang/mod.rs:310:1
[INFO] [stdout]     |
[INFO] [stdout] 310 | / rental! {
[INFO] [stdout] 311 | |     mod rent {
[INFO] [stdout] 312 | |         use super::*;
[INFO] [stdout] 313 | |
[INFO] [stdout] ...   |
[INFO] [stdout] 347 | |     }
[INFO] [stdout] 348 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(proc_macro_back_compat)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #83125 <https://github.com/rust-lang/rust/issues/83125>
[INFO] [stdout]     = note: The `procedural-masquerade` crate has been unnecessary since Rust 1.30.0. Versions of this crate below 0.1.7 will eventually stop compiling.
[INFO] [stdout]     = note: this warning originates in the macro `rental` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `procedural-masquerade` crate
[INFO] [stdout]    --> src/libclang/mod.rs:310:1
[INFO] [stdout]     |
[INFO] [stdout] 310 | / rental! {
[INFO] [stdout] 311 | |     mod rent {
[INFO] [stdout] 312 | |         use super::*;
[INFO] [stdout] 313 | |
[INFO] [stdout] ...   |
[INFO] [stdout] 347 | |     }
[INFO] [stdout] 348 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(proc_macro_back_compat)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #83125 <https://github.com/rust-lang/rust/issues/83125>
[INFO] [stdout]     = note: The `procedural-masquerade` crate has been unnecessary since Rust 1.30.0. Versions of this crate below 0.1.7 will eventually stop compiling.
[INFO] [stdout]     = note: this warning originates in the macro `rental` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.38s
[INFO] running `Command { std: "docker" "inspect" "4884997efe7e1d9322484dd760ed767d738fd0cc06e1b1733d308e36d73a1e3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4884997efe7e1d9322484dd760ed767d738fd0cc06e1b1733d308e36d73a1e3f", kill_on_drop: false }`
[INFO] [stdout] 4884997efe7e1d9322484dd760ed767d738fd0cc06e1b1733d308e36d73a1e3f