[INFO] cloning repository https://github.com/d4hines/migration-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/d4hines/migration-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd4hines%2Fmigration-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd4hines%2Fmigration-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 10d136582b1a68676983e43f89492ed20c58cae8
[INFO] checking d4hines/migration-rs against try#3fada14ee01d755dc8076e611f11bf65b28ffd21 for pr-154971
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd4hines%2Fmigration-rs" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/d4hines/migration-rs
[INFO] finished tweaking git repo https://github.com/d4hines/migration-rs
[INFO] tweaked toml for git repo https://github.com/d4hines/migration-rs written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/d4hines/migration-rs on toolchain 3fada14ee01d755dc8076e611f11bf65b28ffd21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3fada14ee01d755dc8076e611f11bf65b28ffd21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/d4hines/migration-rs 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" "+3fada14ee01d755dc8076e611f11bf65b28ffd21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking d4hines/migration-rs against try#3fada14ee01d755dc8076e611f11bf65b28ffd21 for pr-154971
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd4hines%2Fmigration-rs" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/d4hines/migration-rs
[INFO] finished tweaking git repo https://github.com/d4hines/migration-rs
[INFO] tweaked toml for git repo https://github.com/d4hines/migration-rs written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/d4hines/migration-rs on toolchain 3fada14ee01d755dc8076e611f11bf65b28ffd21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3fada14ee01d755dc8076e611f11bf65b28ffd21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/d4hines/migration-rs 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" "+3fada14ee01d755dc8076e611f11bf65b28ffd21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[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-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3fada14ee01d755dc8076e611f11bf65b28ffd21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f93c369c2c92bca04988a10741d4e88e2e2bec64dee3914090d1a6efe9d29fde
[INFO] running `Command { std: "docker" "start" "-a" "f93c369c2c92bca04988a10741d4e88e2e2bec64dee3914090d1a6efe9d29fde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f93c369c2c92bca04988a10741d4e88e2e2bec64dee3914090d1a6efe9d29fde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f93c369c2c92bca04988a10741d4e88e2e2bec64dee3914090d1a6efe9d29fde", kill_on_drop: false }`
[INFO] [stdout] f93c369c2c92bca04988a10741d4e88e2e2bec64dee3914090d1a6efe9d29fde
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3fada14ee01d755dc8076e611f11bf65b28ffd21" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0271dcbc9c96b3dc00062399331ceff50ff957bfbbc6bc0b2fe389406a633bb7
[INFO] running `Command { std: "docker" "start" "-a" "0271dcbc9c96b3dc00062399331ceff50ff957bfbbc6bc0b2fe389406a633bb7", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]     Checking quote v1.0.35
[INFO] [stderr]     Checking syn v2.0.49
[INFO] [stderr]     Checking migration_repr v0.1.0 (/opt/rustwide/workdir/migration_repr)
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> migration_repr/src/lib.rs:13:26
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn rename(&self, name: &str, new_name: &str) -> Self {
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_name`
[INFO] [stdout]   --> migration_repr/src/lib.rs:13:38
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn rename(&self, name: &str, new_name: &str) -> Self {
[INFO] [stdout]    |                                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fields`
[INFO] [stdout]   --> migration_repr/src/lib.rs:15:24
[INFO] [stdout]    |
[INFO] [stdout] 15 |             Ty::Struct(fields) => todo!(),
[INFO] [stdout]    |                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_fields`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking migration_macro v0.1.0 (/opt/rustwide/workdir/migration_macro)
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> migration_repr/src/lib.rs:13:26
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn rename(&self, name: &str, new_name: &str) -> Self {
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_name`
[INFO] [stdout]   --> migration_repr/src/lib.rs:13:38
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn rename(&self, name: &str, new_name: &str) -> Self {
[INFO] [stdout]    |                                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fields`
[INFO] [stdout]   --> migration_repr/src/lib.rs:15:24
[INFO] [stdout]    |
[INFO] [stdout] 15 |             Ty::Struct(fields) => todo!(),
[INFO] [stdout]    |                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_fields`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::BTreeMap`
[INFO] [stdout]  --> migration_macro/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::BTreeMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::BTreeMap`
[INFO] [stdout]  --> migration_macro/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::BTreeMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> migration_repr/src/lib.rs:13:26
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn rename(&self, name: &str, new_name: &str) -> Self {
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_name`
[INFO] [stdout]   --> migration_repr/src/lib.rs:13:38
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn rename(&self, name: &str, new_name: &str) -> Self {
[INFO] [stdout]    |                                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fields`
[INFO] [stdout]   --> migration_repr/src/lib.rs:15:24
[INFO] [stdout]    |
[INFO] [stdout] 15 |             Ty::Struct(fields) => todo!(),
[INFO] [stdout]    |                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_fields`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::BTreeMap`
[INFO] [stdout]  --> migration_macro/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::BTreeMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling example_legacy_types v0.1.0 (/opt/rustwide/workdir/example_legacy_types)
[INFO] [stdout] ==========some_field,
[INFO] [stdout] ==========some_other_field,
[INFO] [stdout] ==========foo,
[INFO] [stdout] ==========some_field,
[INFO] [stdout] ==========some_other_field,
[INFO] [stdout] ==========foo,
[INFO] [stdout] warning: field `some_field` is never read
[INFO] [stdout]   --> example_legacy_types/src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct LegacyFoo {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 11 |     some_field: bool,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking example_proc_macro v0.1.0 (/opt/rustwide/workdir/example_proc_macro)
[INFO] [stdout] warning: field `some_field` is never read
[INFO] [stdout]   --> example_legacy_types/src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct LegacyFoo {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 11 |     some_field: bool,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ==========some_field,
[INFO] [stdout] ==========some_other_field,
[INFO] [stdout] ==========foo,
[INFO] [stdout] warning: field `some_field` is never read
[INFO] [stdout]   --> example_legacy_types/src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct LegacyFoo {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 11 |     some_field: bool,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `format_ident` and `quote`
[INFO] [stdout]  --> example_proc_macro/src/lib.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use quote::{format_ident, quote};
[INFO] [stdout]   |             ^^^^^^^^^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::BTreeMap`
[INFO] [stdout]  --> example_proc_macro/src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::BTreeMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DeriveInput` and `parse_macro_input`
[INFO] [stdout]  --> example_proc_macro/src/lib.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | use syn::{parse_macro_input, DeriveInput};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `format_ident` and `quote`
[INFO] [stdout]  --> example_proc_macro/src/lib.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use quote::{format_ident, quote};
[INFO] [stdout]   |             ^^^^^^^^^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::BTreeMap`
[INFO] [stdout]  --> example_proc_macro/src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::BTreeMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DeriveInput` and `parse_macro_input`
[INFO] [stdout]  --> example_proc_macro/src/lib.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | use syn::{parse_macro_input, DeriveInput};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `format_ident` and `quote`
[INFO] [stdout]  --> example_proc_macro/src/lib.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use quote::{format_ident, quote};
[INFO] [stdout]   |             ^^^^^^^^^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::BTreeMap`
[INFO] [stdout]  --> example_proc_macro/src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::BTreeMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DeriveInput` and `parse_macro_input`
[INFO] [stdout]  --> example_proc_macro/src/lib.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | use syn::{parse_macro_input, DeriveInput};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking example_app v0.1.0 (/opt/rustwide/workdir/example_app)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.64s
[INFO] running `Command { std: "docker" "inspect" "0271dcbc9c96b3dc00062399331ceff50ff957bfbbc6bc0b2fe389406a633bb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0271dcbc9c96b3dc00062399331ceff50ff957bfbbc6bc0b2fe389406a633bb7", kill_on_drop: false }`
[INFO] [stdout] 0271dcbc9c96b3dc00062399331ceff50ff957bfbbc6bc0b2fe389406a633bb7