[INFO] cloning repository https://github.com/abhijeetbhagat/charon
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/abhijeetbhagat/charon" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabhijeetbhagat%2Fcharon", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabhijeetbhagat%2Fcharon'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 66e46690f1169ece25187296786dd7533f9aee94
[INFO] checking abhijeetbhagat/charon against master#c3def263a44e07e09ae6d57abfc8650227fb4972 for pr-118916
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabhijeetbhagat%2Fcharon" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/abhijeetbhagat/charon on toolchain c3def263a44e07e09ae6d57abfc8650227fb4972
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c3def263a44e07e09ae6d57abfc8650227fb4972" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/abhijeetbhagat/charon
[INFO] finished tweaking git repo https://github.com/abhijeetbhagat/charon
[INFO] tweaked toml for git repo https://github.com/abhijeetbhagat/charon written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/abhijeetbhagat/charon 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" "+c3def263a44e07e09ae6d57abfc8650227fb4972" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: dependencies.charon_driver.test
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking abhijeetbhagat/charon against try#3d5258f568a4b4970d455e4e29f39fd691b5a41a for pr-118916
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabhijeetbhagat%2Fcharon" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/abhijeetbhagat/charon on toolchain 3d5258f568a4b4970d455e4e29f39fd691b5a41a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3d5258f568a4b4970d455e4e29f39fd691b5a41a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/abhijeetbhagat/charon
[INFO] finished tweaking git repo https://github.com/abhijeetbhagat/charon
[INFO] tweaked toml for git repo https://github.com/abhijeetbhagat/charon written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/abhijeetbhagat/charon 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" "+3d5258f568a4b4970d455e4e29f39fd691b5a41a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: dependencies.charon_driver.test
[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 abhijeetbhagat/charon against try#3d5258f568a4b4970d455e4e29f39fd691b5a41a for pr-118916
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabhijeetbhagat%2Fcharon" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/abhijeetbhagat/charon on toolchain 3d5258f568a4b4970d455e4e29f39fd691b5a41a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3d5258f568a4b4970d455e4e29f39fd691b5a41a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/abhijeetbhagat/charon
[INFO] finished tweaking git repo https://github.com/abhijeetbhagat/charon
[INFO] tweaked toml for git repo https://github.com/abhijeetbhagat/charon written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/abhijeetbhagat/charon 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" "+3d5258f568a4b4970d455e4e29f39fd691b5a41a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: dependencies.charon_driver.test
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded advapi32-sys v0.1.2
[INFO] [stderr]   Downloaded bitflags v0.3.2
[INFO] [stderr]   Downloaded itertools v0.4.16
[INFO] [stderr]   Downloaded gcc v0.3.13
[INFO] [stderr]   Downloaded libc v0.1.10
[INFO] [stderr]   Downloaded winapi v0.2.3
[INFO] [stderr]   Downloaded llvm-sys v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3d5258f568a4b4970d455e4e29f39fd691b5a41a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db53af5e08fd904d4024132b14b9064cfafae5b1ac5c00e0b7679d0a355da118
[INFO] running `Command { std: "docker" "start" "-a" "db53af5e08fd904d4024132b14b9064cfafae5b1ac5c00e0b7679d0a355da118", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db53af5e08fd904d4024132b14b9064cfafae5b1ac5c00e0b7679d0a355da118", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db53af5e08fd904d4024132b14b9064cfafae5b1ac5c00e0b7679d0a355da118", kill_on_drop: false }`
[INFO] [stdout] db53af5e08fd904d4024132b14b9064cfafae5b1ac5c00e0b7679d0a355da118
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3d5258f568a4b4970d455e4e29f39fd691b5a41a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b945328cee8e2b75390d361fb840fa43cdc76fc055096e9539a940b23db9ffeb
[INFO] running `Command { std: "docker" "start" "-a" "b945328cee8e2b75390d361fb840fa43cdc76fc055096e9539a940b23db9ffeb", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: dependencies.charon_driver.test
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling gcc v0.3.13
[INFO] [stderr]     Checking bitflags v0.3.2
[INFO] [stderr]     Checking itertools v0.4.16
[INFO] [stderr]     Checking libc v0.1.10
[INFO] [stderr]    Compiling llvm-sys v0.2.1
[INFO] [stderr]     Checking syntax v0.1.0 (/opt/rustwide/workdir/src/libsyntax)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/libsyntax/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(plugin)]
[INFO] [stdout]   |            ^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: plugins are no longer supported
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/libsyntax/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[macro_use]extern crate itertools;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/libsyntax/parse/lexer/mod.rs:147:17
[INFO] [stdout]     |
[INFO] [stdout] 147 |             '0' ... '9' => {
[INFO] [stdout]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/libsyntax/parse/lexer/mod.rs:158:17
[INFO] [stdout]     |
[INFO] [stdout] 158 |             'a' ... 'z' => {
[INFO] [stdout]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/libsyntax/parse/parser.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::{HashMap};
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Local`, `Stmt`
[INFO] [stdout]  --> src/libsyntax/parse/parser.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | use ast::{Stmt, Expr, Block, TType, Local, Decl, OptionalTypeExprTupleList, OptionalParamInfoList, OptionalIdTypePairs};
[INFO] [stdout]   |           ^^^^                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ast::Stmt::*`
[INFO] [stdout]  --> src/libsyntax/parse/parser.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use ast::Stmt::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BTreeMap`
[INFO] [stdout]  --> src/libsyntax/ast.rs:4:33
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::{HashMap, BTreeMap};
[INFO] [stdout]   |                                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Visitor`
[INFO] [stdout]  --> src/libsyntax/ast.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 | use visit::{Visitor};
[INFO] [stdout]   |             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `enum_variant_names`
[INFO] [stdout]   --> src/libsyntax/ast.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 | #[allow(enum_variant_names)]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `enum_variant_names`
[INFO] [stdout]   --> src/libsyntax/ast.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 97 | #[allow(enum_variant_names)]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `OptionalIdTypePairs`
[INFO] [stdout]  --> src/libsyntax/visitor_impl.rs:5:39
[INFO] [stdout]   |
[INFO] [stdout] 5 | use ast::{Binding, Expr, Decl, TType, OptionalIdTypePairs};
[INFO] [stdout]   |                                       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]   --> src/libsyntax/visitor_impl.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::cell::RefCell;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `convert`
[INFO] [stdout]  --> src/libsyntax/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(convert)]
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0557, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `syntax` (lib) due to 3 previous errors; 12 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b945328cee8e2b75390d361fb840fa43cdc76fc055096e9539a940b23db9ffeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b945328cee8e2b75390d361fb840fa43cdc76fc055096e9539a940b23db9ffeb", kill_on_drop: false }`
[INFO] [stdout] b945328cee8e2b75390d361fb840fa43cdc76fc055096e9539a940b23db9ffeb