[INFO] cloning repository https://github.com/softprops/prefix
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/softprops/prefix" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoftprops%2Fprefix", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoftprops%2Fprefix'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c7e58f1487789a15353f371a9a5ee867a1929136
[INFO] checking softprops/prefix against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoftprops%2Fprefix" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/softprops/prefix on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/softprops/prefix
[INFO] finished tweaking git repo https://github.com/softprops/prefix
[INFO] tweaked toml for git repo https://github.com/softprops/prefix written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/softprops/prefix already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 path-slash v0.1.1
[INFO] [stderr]   Downloaded bytes v0.5.2
[INFO] [stderr]   Downloaded colored v1.9.0
[INFO] [stderr]   Downloaded tokio v0.2.2
[INFO] [stderr]   Downloaded tokio-macros v0.2.0
[INFO] [stderr]   Downloaded serde_test v1.0.101
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34ce4ac33be4e3f0232bf7b0454f76a0b6360dcb481091befe5aca2cd6320fee
[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" "34ce4ac33be4e3f0232bf7b0454f76a0b6360dcb481091befe5aca2cd6320fee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34ce4ac33be4e3f0232bf7b0454f76a0b6360dcb481091befe5aca2cd6320fee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34ce4ac33be4e3f0232bf7b0454f76a0b6360dcb481091befe5aca2cd6320fee", kill_on_drop: false }`
[INFO] [stdout] 34ce4ac33be4e3f0232bf7b0454f76a0b6360dcb481091befe5aca2cd6320fee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e51e3d1174810f6e428d54ee3ef1631e9a115763ba5a6792afd57b71f9d96dc2
[INFO] running `Command { std: "docker" "start" "-a" "e51e3d1174810f6e428d54ee3ef1631e9a115763ba5a6792afd57b71f9d96dc2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]     Checking futures-sink v0.3.1
[INFO] [stderr]    Compiling bitflags v1.2.0
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking arc-swap v0.4.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking bytes v0.5.2
[INFO] [stderr]     Checking pin-project-lite v0.1.1
[INFO] [stderr]     Checking dtoa v0.4.4
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking path-slash v0.1.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking signal-hook-registry v1.1.1
[INFO] [stderr]     Checking colored v1.9.0
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling structopt-derive v0.3.3
[INFO] [stderr]    Compiling tokio-macros v0.2.0
[INFO] [stderr]     Checking tokio v0.2.2
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking structopt v0.3.3
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]     Checking serde_test v1.0.101
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_test-1.0.101/src/ser.rs:44:10
[INFO] [stdout]     |
[INFO] [stdout] 44  |         );
[INFO] [stdout]     |          ^
[INFO] [stdout] ...
[INFO] [stdout] 152 |             Some(&Token::BorrowedStr(_)) => assert_next_token!(self, BorrowedStr(v)),
[INFO] [stdout]     |                                             ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_next_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_test-1.0.101/src/ser.rs:44:10
[INFO] [stdout]     |
[INFO] [stdout] 44  |         );
[INFO] [stdout]     |          ^
[INFO] [stdout] ...
[INFO] [stdout] 153 |             Some(&Token::String(_)) => assert_next_token!(self, String(v)),
[INFO] [stdout]     |                                        ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_next_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_test-1.0.101/src/ser.rs:44:10
[INFO] [stdout]     |
[INFO] [stdout] 44  |         );
[INFO] [stdout]     |          ^
[INFO] [stdout] ...
[INFO] [stdout] 154 |             _ => assert_next_token!(self, Str(v)),
[INFO] [stdout]     |                  -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_next_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_test-1.0.101/src/ser.rs:44:10
[INFO] [stdout]     |
[INFO] [stdout] 44  |         );
[INFO] [stdout]     |          ^
[INFO] [stdout] ...
[INFO] [stdout] 161 |             Some(&Token::BorrowedBytes(_)) => assert_next_token!(self, BorrowedBytes(v)),
[INFO] [stdout]     |                                               ------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_next_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_test-1.0.101/src/ser.rs:44:10
[INFO] [stdout]     |
[INFO] [stdout] 44  |         );
[INFO] [stdout]     |          ^
[INFO] [stdout] ...
[INFO] [stdout] 162 |             Some(&Token::ByteBuf(_)) => assert_next_token!(self, ByteBuf(v)),
[INFO] [stdout]     |                                         ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_next_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_test-1.0.101/src/ser.rs:44:10
[INFO] [stdout]     |
[INFO] [stdout] 44  |         );
[INFO] [stdout]     |          ^
[INFO] [stdout] ...
[INFO] [stdout] 163 |             _ => assert_next_token!(self, Bytes(v)),
[INFO] [stdout]     |                  ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_next_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_test-1.0.101/src/ser.rs:36:80
[INFO] [stdout]     |
[INFO] [stdout] 36  |         assert_next_token!($ser, stringify!($expected), Token::$expected, true);
[INFO] [stdout]     |                                                                                ^
[INFO] [stdout] ...
[INFO] [stdout] 386 |             Token::TupleVariantEnd => assert_next_token!(self.ser, TupleVariantEnd),
[INFO] [stdout]     |                                       --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_next_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_test-1.0.101/src/ser.rs:36:80
[INFO] [stdout]     |
[INFO] [stdout] 36  |         assert_next_token!($ser, stringify!($expected), Token::$expected, true);
[INFO] [stdout]     |                                                                                ^
[INFO] [stdout] ...
[INFO] [stdout] 387 |             Token::SeqEnd => assert_next_token!(self.ser, SeqEnd),
[INFO] [stdout]     |                              ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_next_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_test-1.0.101/src/ser.rs:36:80
[INFO] [stdout]     |
[INFO] [stdout] 36  |         assert_next_token!($ser, stringify!($expected), Token::$expected, true);
[INFO] [stdout]     |                                                                                ^
[INFO] [stdout] ...
[INFO] [stdout] 458 |             Token::StructVariantEnd => assert_next_token!(self.ser, StructVariantEnd),
[INFO] [stdout]     |                                        ---------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_next_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_test-1.0.101/src/ser.rs:36:80
[INFO] [stdout]     |
[INFO] [stdout] 36  |         assert_next_token!($ser, stringify!($expected), Token::$expected, true);
[INFO] [stdout]     |                                                                                ^
[INFO] [stdout] ...
[INFO] [stdout] 459 |             Token::MapEnd => assert_next_token!(self.ser, MapEnd),
[INFO] [stdout]     |                              ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_next_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 10 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serde_test`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "e51e3d1174810f6e428d54ee3ef1631e9a115763ba5a6792afd57b71f9d96dc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e51e3d1174810f6e428d54ee3ef1631e9a115763ba5a6792afd57b71f9d96dc2", kill_on_drop: false }`
[INFO] [stdout] e51e3d1174810f6e428d54ee3ef1631e9a115763ba5a6792afd57b71f9d96dc2