[INFO] cloning repository https://github.com/xenzh/loader
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xenzh/loader" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxenzh%2Floader", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxenzh%2Floader'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9f78ec065bf979291c08bbdd899a5365470c9766
[INFO] checking xenzh/loader against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxenzh%2Floader" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xenzh/loader 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] started tweaking git repo https://github.com/xenzh/loader
[INFO] finished tweaking git repo https://github.com/xenzh/loader
[INFO] tweaked toml for git repo https://github.com/xenzh/loader written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/xenzh/loader 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]  Downloading crates ...
[INFO] [stderr]   Downloaded config v0.9.1
[INFO] [stderr]   Downloaded rust-ini v0.12.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 7cc5c0c2d6530fa686102e9b3733bab2597a08af510384ddcee108a0b7c6b06d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7cc5c0c2d6530fa686102e9b3733bab2597a08af510384ddcee108a0b7c6b06d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7cc5c0c2d6530fa686102e9b3733bab2597a08af510384ddcee108a0b7c6b06d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cc5c0c2d6530fa686102e9b3733bab2597a08af510384ddcee108a0b7c6b06d", kill_on_drop: false }`
[INFO] [stdout] 7cc5c0c2d6530fa686102e9b3733bab2597a08af510384ddcee108a0b7c6b06d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 485928352cc4f81014c0b859da8456503f82f274c82ac58b9032068af10fa6b8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "485928352cc4f81014c0b859da8456503f82f274c82ac58b9032068af10fa6b8", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking rust-ini v0.12.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking regex-syntax v0.6.3
[INFO] [stderr]     Checking yaml-rust v0.4.2
[INFO] [stderr]     Checking ryu v0.2.7
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking nom v4.1.1
[INFO] [stderr]    Compiling syn v0.15.21
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking serde_test v0.8.23
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking simple_logger v1.0.1
[INFO] [stderr]     Checking toml v0.4.9
[INFO] [stderr]     Checking serde_json v1.0.33
[INFO] [stderr]     Checking serde-hjson v0.8.2
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Checking config v0.9.1
[INFO] [stderr]     Checking package v0.1.0 (/tmp/fixit/package)
[INFO] [stderr]    Migrating package/src/lib.rs from 2018 edition to 2021
[INFO] [stderr]     Checking entity v0.1.0 (/tmp/fixit/entity)
[INFO] [stderr]    Migrating entity/src/lib.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed entity/src/meta/mod.rs (1 fix)
[INFO] [stderr]        Fixed entity/src/meta/eval.rs (4 fixes)
[INFO] [stderr]        Fixed entity/src/lib.rs (3 fixes)
[INFO] [stdout] warning: field is never read: `dummy`
[INFO] [stdout]   --> entity/src/meta/eval.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     dummy: Vec<Box<dyn Method>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `who_returns`
[INFO] [stdout]   --> entity/src/meta/eval.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn who_returns(&self, _tgts: &[Target]) -> impl Iterator<Item = &dyn Method> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `who_takes`
[INFO] [stdout]   --> entity/src/meta/eval.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn who_takes(&self, _tgts: &[Target]) -> impl Iterator<Item = &dyn Method> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `method`
[INFO] [stdout]   --> entity/src/meta/eval.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     method: &'m dyn Method,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `missing_input`
[INFO] [stdout]   --> entity/src/meta/eval.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     missing_input: Vec<Target>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `extra_input`
[INFO] [stdout]   --> entity/src/meta/eval.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     extra_input: Vec<Target>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `dummy`
[INFO] [stdout]   --> entity/src/meta/eval.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     dummy: Vec<Box<dyn Method>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `who_returns`
[INFO] [stdout]   --> entity/src/meta/eval.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn who_returns(&self, _tgts: &[Target]) -> impl Iterator<Item = &dyn Method> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `who_takes`
[INFO] [stdout]   --> entity/src/meta/eval.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn who_takes(&self, _tgts: &[Target]) -> impl Iterator<Item = &dyn Method> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `method`
[INFO] [stdout]   --> entity/src/meta/eval.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     method: &'m dyn Method,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `missing_input`
[INFO] [stdout]   --> entity/src/meta/eval.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     missing_input: Vec<Target>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `extra_input`
[INFO] [stdout]   --> entity/src/meta/eval.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     extra_input: Vec<Target>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking test-meta-package v0.1.0 (/tmp/fixit/test-meta-package)
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating test-meta-package/src/lib.rs from 2018 edition to 2021
[INFO] [stdout] error[E0046]: not all trait items implemented, missing: `methods`
[INFO] [stdout]   --> test-meta-package/src/lib.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Meta for MetaImpl {}
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^ missing `methods` in implementation
[INFO] [stdout]    |
[INFO] [stdout]    = help: implement the missing item: `fn methods(&self) -> &[&dyn entity::meta::method::Method] { todo!() }`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0046`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `test-meta-package` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0046]: not all trait items implemented, missing: `methods`
[INFO] [stdout]   --> test-meta-package/src/lib.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Meta for MetaImpl {}
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^ missing `methods` in implementation
[INFO] [stdout]    |
[INFO] [stdout]    = help: implement the missing item: `fn methods(&self) -> &[&dyn entity::meta::method::Method] { todo!() }`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0046`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] [stderr] error: failed to migrate to next edition
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `cargo fix --edition --allow-no-vcs --allow-dirty --frozen --all --all-targets --message-format=json` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "485928352cc4f81014c0b859da8456503f82f274c82ac58b9032068af10fa6b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "485928352cc4f81014c0b859da8456503f82f274c82ac58b9032068af10fa6b8", kill_on_drop: false }`
[INFO] [stdout] 485928352cc4f81014c0b859da8456503f82f274c82ac58b9032068af10fa6b8