[INFO] cloning repository https://github.com/celaus/rust-macros
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/celaus/rust-macros" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcelaus%2Frust-macros", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcelaus%2Frust-macros'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 79d50ba60aa34698cb1a7e982b5e00200c923ce0
[INFO] checking celaus/rust-macros against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcelaus%2Frust-macros" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/celaus/rust-macros 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/celaus/rust-macros
[INFO] finished tweaking git repo https://github.com/celaus/rust-macros
[INFO] tweaked toml for git repo https://github.com/celaus/rust-macros written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/celaus/rust-macros 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] ab4b8968ff7a29f804472494b11fa67329e628882395e0b686d9f121c5ee5735
[INFO] running `Command { std: "docker" "start" "-a" "ab4b8968ff7a29f804472494b11fa67329e628882395e0b686d9f121c5ee5735", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab4b8968ff7a29f804472494b11fa67329e628882395e0b686d9f121c5ee5735", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab4b8968ff7a29f804472494b11fa67329e628882395e0b686d9f121c5ee5735", kill_on_drop: false }`
[INFO] [stdout] ab4b8968ff7a29f804472494b11fa67329e628882395e0b686d9f121c5ee5735
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 783d9f32db3393c9534502d71728240cc492464fd07aadf19a28df7c9cabb264
[INFO] running `Command { std: "docker" "start" "-a" "783d9f32db3393c9534502d71728240cc492464fd07aadf19a28df7c9cabb264", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Checking rust-macros v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/lib.rs (1 fix)
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/lib.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | / macro_rules! calc  {
[INFO] [stdout] 8  | |   (two) => { 1 + 1 };
[INFO] [stdout] 9  | |   (three) => { 1 + 2 }
[INFO] [stdout] 10 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/lib.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | / macro_rules! repeat_n_times {
[INFO] [stdout] 13 | |     ($n:expr, $text:expr) => {(0..$n).map(|_| format!("{}", $text)).collect::<Vec<String>>()}
[INFO] [stdout] 14 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/lib.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / macro_rules! handler {
[INFO] [stdout] 22 | |     ($i: ident, $body: block) => {
[INFO] [stdout] 23 | |         fn $i () -> Response $body
[INFO] [stdout] 24 | |     } 
[INFO] [stdout] 25 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/lib.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | / macro_rules! set {
[INFO] [stdout] 30 | |  ( $( $item:expr ),* ) => {
[INFO] [stdout] 31 | |         {
[INFO] [stdout] 32 | |             let mut s = BTreeSet::new();
[INFO] [stdout] ...  |
[INFO] [stdout] 38 | |     };
[INFO] [stdout] 39 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `BTreeSet`
[INFO] [stdout]   --> src/lib.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |             let mut s = BTreeSet::new();
[INFO] [stdout]    |                         ^^^^^^^^ not found in this scope
[INFO] [stdout] ...
[INFO] [stdout] 87 |     let actual = set!("a", "b", "c", "a");
[INFO] [stdout]    |                  ------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `set` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 59 |   use std::collections::BTreeSet;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `BTreeSet`
[INFO] [stdout]   --> src/lib.rs:88:23
[INFO] [stdout]    |
[INFO] [stdout] 88 |     let mut desired = BTreeSet::new();
[INFO] [stdout]    |                       ^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 59 |   use std::collections::BTreeSet;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-macros` due to 3 previous errors
[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" "783d9f32db3393c9534502d71728240cc492464fd07aadf19a28df7c9cabb264", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "783d9f32db3393c9534502d71728240cc492464fd07aadf19a28df7c9cabb264", kill_on_drop: false }`
[INFO] [stdout] 783d9f32db3393c9534502d71728240cc492464fd07aadf19a28df7c9cabb264