[INFO] fetching crate esr 0.1.0...
[INFO] checking esr-0.1.0 against beta-2020-07-24 for pr-75494-beta
[INFO] extracting crate esr 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate esr 0.1.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate esr 0.1.0
[INFO] finished tweaking crates.io crate esr 0.1.0
[INFO] tweaked toml for crates.io crate esr 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 461f756778be08375cd2419af13fb2130673dbd70c1fb6f5da5e7cbe6cb526f4
[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" "461f756778be08375cd2419af13fb2130673dbd70c1fb6f5da5e7cbe6cb526f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "461f756778be08375cd2419af13fb2130673dbd70c1fb6f5da5e7cbe6cb526f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "461f756778be08375cd2419af13fb2130673dbd70c1fb6f5da5e7cbe6cb526f4", kill_on_drop: false }`
[INFO] [stdout] 461f756778be08375cd2419af13fb2130673dbd70c1fb6f5da5e7cbe6cb526f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 438dcd63c624f44621b518583b2203d07489d59fbd4be960e8fb308bf534d743
[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" "438dcd63c624f44621b518583b2203d07489d59fbd4be960e8fb308bf534d743", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking difference v1.0.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking pretty_assertions v0.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking toolshed v0.4.0
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking esr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stdout]   --> src/error.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 r#try!(write!(f, "Unexpected end of program"))
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stdout]   --> src/error.rs:61:17
[INFO] [stdout]    |
[INFO] [stdout] 61 |                 r#try!(writeln!(f, "Unexpected token at {}:{}\n", lineno + 1, colno + 1));
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stdout]   --> src/error.rs:73:25
[INFO] [stdout]    |
[INFO] [stdout] 73 |                         r#try!(writeln!(f, "> {0:1$} | {2}", index+1, width, line));
[INFO] [stdout]    |                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stdout]   --> src/error.rs:76:29
[INFO] [stdout]    |
[INFO] [stdout] 76 | ...                   r#try!(write!(f, " "));
[INFO] [stdout]    |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stdout]   --> src/error.rs:79:25
[INFO] [stdout]    |
[INFO] [stdout] 79 |                         r#try!(write!(f, "   | "));
[INFO] [stdout]    |                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stdout]   --> src/error.rs:82:29
[INFO] [stdout]    |
[INFO] [stdout] 82 | ...                   r#try!(write!(f, " "));
[INFO] [stdout]    |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stdout]   --> src/error.rs:86:29
[INFO] [stdout]    |
[INFO] [stdout] 86 | ...                   r#try!(write!(f, "^"));
[INFO] [stdout]    |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stdout]   --> src/error.rs:89:25
[INFO] [stdout]    |
[INFO] [stdout] 89 |                         r#try!(write!(f, "\n"));
[INFO] [stdout]    |                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stdout]   --> src/error.rs:91:25
[INFO] [stdout]    |
[INFO] [stdout] 91 |                         r#try!(writeln!(f, "{0:1$} | {2}", index+1, width+2, line));
[INFO] [stdout]    |                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/parser/nested.rs:41:1
[INFO] [stdout]    |
[INFO] [stdout] 41 | /// All potential tokens, including Comma for sequence expressions
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stdout]   --> src/error.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 r#try!(write!(f, "Unexpected end of program"))
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stdout]   --> src/error.rs:61:17
[INFO] [stdout]    |
[INFO] [stdout] 61 |                 r#try!(writeln!(f, "Unexpected token at {}:{}\n", lineno + 1, colno + 1));
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stdout]   --> src/error.rs:73:25
[INFO] [stdout]    |
[INFO] [stdout] 73 |                         r#try!(writeln!(f, "> {0:1$} | {2}", index+1, width, line));
[INFO] [stdout]    |                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stdout]   --> src/error.rs:76:29
[INFO] [stdout]    |
[INFO] [stdout] 76 | ...                   r#try!(write!(f, " "));
[INFO] [stdout]    |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stdout]   --> src/error.rs:79:25
[INFO] [stdout]    |
[INFO] [stdout] 79 |                         r#try!(write!(f, "   | "));
[INFO] [stdout]    |                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stdout]   --> src/error.rs:82:29
[INFO] [stdout]    |
[INFO] [stdout] 82 | ...                   r#try!(write!(f, " "));
[INFO] [stdout]    |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stdout]   --> src/error.rs:86:29
[INFO] [stdout]    |
[INFO] [stdout] 86 | ...                   r#try!(write!(f, "^"));
[INFO] [stdout]    |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stdout]   --> src/error.rs:89:25
[INFO] [stdout]    |
[INFO] [stdout] 89 |                         r#try!(write!(f, "\n"));
[INFO] [stdout]    |                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stdout]   --> src/error.rs:91:25
[INFO] [stdout]    |
[INFO] [stdout] 91 |                         r#try!(writeln!(f, "{0:1$} | {2}", index+1, width+2, line));
[INFO] [stdout]    |                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/parser/nested.rs:41:1
[INFO] [stdout]    |
[INFO] [stdout] 41 | /// All potential tokens, including Comma for sequence expressions
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> benches/colors.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[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 E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `esr`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "438dcd63c624f44621b518583b2203d07489d59fbd4be960e8fb308bf534d743", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "438dcd63c624f44621b518583b2203d07489d59fbd4be960e8fb308bf534d743", kill_on_drop: false }`
[INFO] [stdout] 438dcd63c624f44621b518583b2203d07489d59fbd4be960e8fb308bf534d743
