[INFO] fetching crate mlflow 0.1.0...
[INFO] checking mlflow-0.1.0 against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] extracting crate mlflow 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate mlflow 0.1.0 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 mlflow 0.1.0
[INFO] finished tweaking crates.io crate mlflow 0.1.0
[INFO] tweaked toml for crates.io crate mlflow 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate mlflow 0.1.0 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]  Downloading crates ...
[INFO] [stderr]   Downloaded chunked_transfer v1.3.0
[INFO] [stderr]   Downloaded nanorand v0.4.4
[INFO] [stderr]   Downloaded cc v1.0.62
[INFO] [stderr]   Downloaded pico-args v0.3.4
[INFO] [stderr]   Downloaded nanoserde v0.1.20
[INFO] [stderr]   Downloaded unicode-normalization v0.1.15
[INFO] [stderr]   Downloaded tinyvec v1.0.1
[INFO] [stderr]   Downloaded nanoserde-derive v0.1.12
[INFO] [stderr]   Downloaded ureq v1.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] f07eb7f43e63009202f30751be35db6855bc765a6ae4ed6da3d7f09caa126403
[INFO] running `Command { std: "docker" "start" "-a" "f07eb7f43e63009202f30751be35db6855bc765a6ae4ed6da3d7f09caa126403", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f07eb7f43e63009202f30751be35db6855bc765a6ae4ed6da3d7f09caa126403", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f07eb7f43e63009202f30751be35db6855bc765a6ae4ed6da3d7f09caa126403", kill_on_drop: false }`
[INFO] [stdout] f07eb7f43e63009202f30751be35db6855bc765a6ae4ed6da3d7f09caa126403
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 096dbd048b6c67d7ad663619db463b66b3aa845caa0942a0c68dcceaaaa20344
[INFO] running `Command { std: "docker" "start" "-a" "096dbd048b6c67d7ad663619db463b66b3aa845caa0942a0c68dcceaaaa20344", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.62
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling anyhow v1.0.34
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]    Compiling nanoserde-derive v0.1.12
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking chunked_transfer v1.3.0
[INFO] [stderr]     Checking pico-args v0.3.4
[INFO] [stderr]     Checking nanorand v0.4.4
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]     Checking qstring v0.7.2
[INFO] [stderr]     Checking tinyvec v1.0.1
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nanoserde-derive-0.1.12/src/shared.rs:3:32
[INFO] [stdout]    |
[INFO] [stdout] 3  |         $target.push_str($line);
[INFO] [stdout]    |                                ^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nanoserde-derive-0.1.12/src/serde_bin.rs:96:13
[INFO] [stdout]    |
[INFO] [stdout] 96 |             l!(body, "},")
[INFO] [stdout]    |             -------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `l` (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/nanoserde-derive-0.1.12/src/shared.rs:3:32
[INFO] [stdout]     |
[INFO] [stdout] 3   |         $target.push_str($line);
[INFO] [stdout]     |                                ^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nanoserde-derive-0.1.12/src/serde_bin.rs:128:13
[INFO] [stdout]     |
[INFO] [stdout] 128 |             l!(body, "},")
[INFO] [stdout]     |             -------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `l` (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/nanoserde-derive-0.1.12/src/shared.rs:7:55
[INFO] [stdout]     |
[INFO] [stdout] 7   |         $target.push_str(&format!($line, $($param,)*));
[INFO] [stdout]     |                                                       ^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nanoserde-derive-0.1.12/src/serde_bin.rs:162:17
[INFO] [stdout]     |
[INFO] [stdout] 162 |                 l!(r, "{}, ", field.field_name.as_ref().unwrap())
[INFO] [stdout]     |                 ------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `l` (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/nanoserde-derive-0.1.12/src/shared.rs:7:55
[INFO] [stdout]     |
[INFO] [stdout] 7   |         $target.push_str(&format!($line, $($param,)*));
[INFO] [stdout]     |                                                       ^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nanoserde-derive-0.1.12/src/serde_bin.rs:167:17
[INFO] [stdout]     |
[INFO] [stdout] 167 |                 l!(r, "{}.ser_bin(s);", field.field_name.as_ref().unwrap())
[INFO] [stdout]     |                 ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `l` (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/nanoserde-derive-0.1.12/src/shared.rs:3:32
[INFO] [stdout]     |
[INFO] [stdout] 3   |         $target.push_str($line);
[INFO] [stdout]     |                                ^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nanoserde-derive-0.1.12/src/serde_bin.rs:169:13
[INFO] [stdout]     |
[INFO] [stdout] 169 |             l!(r, "}")
[INFO] [stdout]     |             ---------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `l` (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/nanoserde-derive-0.1.12/src/shared.rs:7:55
[INFO] [stdout]     |
[INFO] [stdout] 7   |         $target.push_str(&format!($line, $($param,)*));
[INFO] [stdout]     |                                                       ^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nanoserde-derive-0.1.12/src/serde_bin.rs:175:17
[INFO] [stdout]     |
[INFO] [stdout] 175 |                 l!(r, "f{}, ", n)
[INFO] [stdout]     |                 ----------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `l` (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/nanoserde-derive-0.1.12/src/shared.rs:7:55
[INFO] [stdout]     |
[INFO] [stdout] 7   |         $target.push_str(&format!($line, $($param,)*));
[INFO] [stdout]     |                                                       ^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nanoserde-derive-0.1.12/src/serde_bin.rs:180:17
[INFO] [stdout]     |
[INFO] [stdout] 180 |                 l!(r, "f{}.ser_bin(s);", n)
[INFO] [stdout]     |                 --------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `l` (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/nanoserde-derive-0.1.12/src/shared.rs:3:32
[INFO] [stdout]     |
[INFO] [stdout] 3   |         $target.push_str($line);
[INFO] [stdout]     |                                ^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nanoserde-derive-0.1.12/src/serde_bin.rs:182:13
[INFO] [stdout]     |
[INFO] [stdout] 182 |             l!(r, "}")
[INFO] [stdout]     |             ---------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `l` (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/nanoserde-derive-0.1.12/src/shared.rs:7:55
[INFO] [stdout]     |
[INFO] [stdout] 7   |         $target.push_str(&format!($line, $($param,)*));
[INFO] [stdout]     |                                                       ^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nanoserde-derive-0.1.12/src/serde_bin.rs:208:13
[INFO] [stdout]     |
[INFO] [stdout] 208 |             l!(r, "{} => Self::{},", lit, variant.name)
[INFO] [stdout]     |             ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `l` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nanoserde-derive`
[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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "096dbd048b6c67d7ad663619db463b66b3aa845caa0942a0c68dcceaaaa20344", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "096dbd048b6c67d7ad663619db463b66b3aa845caa0942a0c68dcceaaaa20344", kill_on_drop: false }`
[INFO] [stdout] 096dbd048b6c67d7ad663619db463b66b3aa845caa0942a0c68dcceaaaa20344