[INFO] fetching crate dynstack 0.4.0...
[INFO] checking dynstack-0.4.0 against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] extracting crate dynstack 0.4.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate dynstack 0.4.0 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 crates.io crate dynstack 0.4.0
[INFO] finished tweaking crates.io crate dynstack 0.4.0
[INFO] tweaked toml for crates.io crate dynstack 0.4.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded thread-scoped v1.0.2
[INFO] [stderr]   Downloaded criterion-stats v0.1.3
[INFO] [stderr]   Downloaded criterion v0.1.2
[INFO] [stderr]   Downloaded simplelog v0.4.4
[INFO] [stderr]   Downloaded criterion-plot v0.1.3
[INFO] [stderr]   Downloaded isatty v0.1.9
[INFO] [stderr]   Downloaded cast v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b7be5385a226bcae380d829429995ace6db41b5f2842c670d7a918f8ecd21a2
[INFO] running `Command { std: "docker" "start" "-a" "2b7be5385a226bcae380d829429995ace6db41b5f2842c670d7a918f8ecd21a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b7be5385a226bcae380d829429995ace6db41b5f2842c670d7a918f8ecd21a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b7be5385a226bcae380d829429995ace6db41b5f2842c670d7a918f8ecd21a2", kill_on_drop: false }`
[INFO] [stdout] 2b7be5385a226bcae380d829429995ace6db41b5f2842c670d7a918f8ecd21a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a66385f063d75187e48d3d4c7f5faabb8a92111cbb057c8883356e55b7bd823d
[INFO] running `Command { std: "docker" "start" "-a" "a66385f063d75187e48d3d4c7f5faabb8a92111cbb057c8883356e55b7bd823d", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking cast v0.1.0
[INFO] [stderr]    Compiling dynstack v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking thread-scoped v1.0.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking itertools v0.4.19
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]     Checking itertools v0.5.10
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking num_cpus v0.2.13
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking isatty v0.1.9
[INFO] [stderr]     Checking criterion-plot v0.1.3
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking simplelog v0.4.4
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking criterion-stats v0.1.3
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking criterion v0.1.2
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/criterion-0.1.2/src/plot/mod.rs:37:24
[INFO] [stdout]    |
[INFO] [stdout] 37 |             Ok(out) => error!("Error in Gnuplot: {}", String::from_utf8_lossy(&out.stderr)),
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `error` (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/criterion-0.1.2/src/plot/mod.rs:38:23
[INFO] [stdout]    |
[INFO] [stdout] 38 |             Err(e) => error!("Got IO error while waiting for Gnuplot to complete: {}", e),
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `error` (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/criterion-0.1.2/src/plot/mod.rs:61:23
[INFO] [stdout]    |
[INFO] [stdout] 61 |             Err(e) => error!("Failed to write debug output: {}", e),
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `error` (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/criterion-0.1.2/src/macros_private.rs:17:36
[INFO] [stdout]     |
[INFO] [stdout] 17  |         try_else_return!($x, || {});
[INFO] [stdout]     |                                    ^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/criterion-0.1.2/src/plot/mod.rs:531:28
[INFO] [stdout]     |
[INFO] [stdout] 531 |     let contents: Vec<_> = try_else_return!(fs::ls(&dir)).map(|e| e.unwrap().path()).collect();
[INFO] [stdout]     |                            ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `try_else_return` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `criterion`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "a66385f063d75187e48d3d4c7f5faabb8a92111cbb057c8883356e55b7bd823d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a66385f063d75187e48d3d4c7f5faabb8a92111cbb057c8883356e55b7bd823d", kill_on_drop: false }`
[INFO] [stdout] a66385f063d75187e48d3d4c7f5faabb8a92111cbb057c8883356e55b7bd823d