[INFO] fetching crate easy_proc_macro 0.1.0...
[INFO] checking easy_proc_macro-0.1.0 against master#b3bd7058c139e71bae0862ef8f8ac936208873e9 for pr-123752
[INFO] extracting crate easy_proc_macro 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate easy_proc_macro 0.1.0 on toolchain b3bd7058c139e71bae0862ef8f8ac936208873e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate easy_proc_macro 0.1.0
[INFO] finished tweaking crates.io crate easy_proc_macro 0.1.0
[INFO] tweaked toml for crates.io crate easy_proc_macro 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate easy_proc_macro 0.1.0 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" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ede56c88818d4a2f40d75ca134dbab41ec5a71e3fca5b2e0ea0bdd48d63d9d65
[INFO] running `Command { std: "docker" "start" "-a" "ede56c88818d4a2f40d75ca134dbab41ec5a71e3fca5b2e0ea0bdd48d63d9d65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ede56c88818d4a2f40d75ca134dbab41ec5a71e3fca5b2e0ea0bdd48d63d9d65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ede56c88818d4a2f40d75ca134dbab41ec5a71e3fca5b2e0ea0bdd48d63d9d65", kill_on_drop: false }`
[INFO] [stdout] ede56c88818d4a2f40d75ca134dbab41ec5a71e3fca5b2e0ea0bdd48d63d9d65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc547fc866662e84f963ca720aa750cd00d301b83effa3478197aea2bbb49ce5
[INFO] running `Command { std: "docker" "start" "-a" "dc547fc866662e84f963ca720aa750cd00d301b83effa3478197aea2bbb49ce5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.85
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]     Checking quote v1.0.8
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]     Checking easy_proc_macro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:16:21
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::{io::Read, iter::Iterator, net::TcpListener, process::Command};
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Iterator` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ord` is imported redundantly
[INFO] [stdout]  --> src/compile/lints.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 |     cmp::{Ord, Ordering, PartialEq, PartialOrd},
[INFO] [stdout]   |           ^^^
[INFO] [stdout]  --> /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Ord` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialOrd` is imported redundantly
[INFO] [stdout]  --> src/compile/lints.rs:7:34
[INFO] [stdout]   |
[INFO] [stdout] 7 |     cmp::{Ord, Ordering, PartialEq, PartialOrd},
[INFO] [stdout]   |                                     ^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `PartialOrd` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:16:21
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::{io::Read, iter::Iterator, net::TcpListener, process::Command};
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Iterator` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ord` is imported redundantly
[INFO] [stdout]  --> src/compile/lints.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 |     cmp::{Ord, Ordering, PartialEq, PartialOrd},
[INFO] [stdout]   |           ^^^
[INFO] [stdout]  --> /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Ord` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialOrd` is imported redundantly
[INFO] [stdout]  --> src/compile/lints.rs:7:34
[INFO] [stdout]   |
[INFO] [stdout] 7 |     cmp::{Ord, Ordering, PartialEq, PartialOrd},
[INFO] [stdout]   |                                     ^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `PartialOrd` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `code`, `level`, `spans`, and `children` are never read
[INFO] [stdout]   --> src/compile/lints.rs:20:6
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Lint<'d> {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub code: Option<&'d str>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 21 |     #[serde(borrow)]
[INFO] [stdout] 22 |     pub level: Level<'d>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 23 |     pub spans: Vec<RawSpan<'d>>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 24 |     pub children: Vec<Lint<'d>>
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Lint` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `capture_type` is never read
[INFO] [stdout]    --> src/syntax.rs:184:6
[INFO] [stdout]     |
[INFO] [stdout] 181 | pub struct Argument {
[INFO] [stdout]     |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 184 |     pub capture_type: CaptureType
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `code`, `level`, `spans`, and `children` are never read
[INFO] [stdout]   --> src/compile/lints.rs:20:6
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Lint<'d> {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub code: Option<&'d str>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 21 |     #[serde(borrow)]
[INFO] [stdout] 22 |     pub level: Level<'d>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 23 |     pub spans: Vec<RawSpan<'d>>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 24 |     pub children: Vec<Lint<'d>>
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Lint` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `capture_type` is never read
[INFO] [stdout]    --> src/syntax.rs:184:6
[INFO] [stdout]     |
[INFO] [stdout] 181 | pub struct Argument {
[INFO] [stdout]     |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 184 |     pub capture_type: CaptureType
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:16:21
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::{io::Read, iter::Iterator, net::TcpListener, process::Command};
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Iterator` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ord` is imported redundantly
[INFO] [stdout]  --> src/compile/lints.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 |     cmp::{Ord, Ordering, PartialEq, PartialOrd},
[INFO] [stdout]   |           ^^^
[INFO] [stdout]  --> /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Ord` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialOrd` is imported redundantly
[INFO] [stdout]  --> src/compile/lints.rs:7:34
[INFO] [stdout]   |
[INFO] [stdout] 7 |     cmp::{Ord, Ordering, PartialEq, PartialOrd},
[INFO] [stdout]   |                                     ^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `PartialOrd` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `code`, `level`, `spans`, and `children` are never read
[INFO] [stdout]   --> src/compile/lints.rs:20:6
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Lint<'d> {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub code: Option<&'d str>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 21 |     #[serde(borrow)]
[INFO] [stdout] 22 |     pub level: Level<'d>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 23 |     pub spans: Vec<RawSpan<'d>>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 24 |     pub children: Vec<Lint<'d>>
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Lint` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `capture_type` is never read
[INFO] [stdout]    --> src/syntax.rs:184:6
[INFO] [stdout]     |
[INFO] [stdout] 181 | pub struct Argument {
[INFO] [stdout]     |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 184 |     pub capture_type: CaptureType
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: proc macro panicked
[INFO] [stdout]   --> examples/test.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | #[easy_proc_macro]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     my_stringify!(value, 12);
[INFO] [stdout]    |     ------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: message: too lazy to handle errors rn: Error("invalid type: string \"failed to connect to jobserver from environment variable `CARGO_MAKEFLAGS=\\\"-j --jobserver-fds=8,9 --jobserver-auth=8,9\\\"`: cannot open file descriptor 9 from the jobserver environment variable value: Bad file descriptor (os error 9)\", expected a borrowed string", line: 1, column: 275)
[INFO] [stdout]    = note: this error originates in the macro `my_stringify` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `easy_proc_macro` (example "test") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "dc547fc866662e84f963ca720aa750cd00d301b83effa3478197aea2bbb49ce5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc547fc866662e84f963ca720aa750cd00d301b83effa3478197aea2bbb49ce5", kill_on_drop: false }`
[INFO] [stdout] dc547fc866662e84f963ca720aa750cd00d301b83effa3478197aea2bbb49ce5
