[INFO] fetching crate tc-transact 0.2.0...
[INFO] checking tc-transact-0.2.0 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate tc-transact 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate tc-transact 0.2.0 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tc-transact 0.2.0
[INFO] finished tweaking crates.io crate tc-transact 0.2.0
[INFO] tweaked toml for crates.io crate tc-transact 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tc-value v0.1.5
[INFO] [stderr]   Downloaded uplock v0.1.0
[INFO] [stderr]   Downloaded destream_json v0.4.0
[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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", 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] 479f91a17826046d5a0d35a68ab5533e13af21fc7599c2fc2cc11efbc9a734ad
[INFO] running `Command { std: "docker" "start" "-a" "479f91a17826046d5a0d35a68ab5533e13af21fc7599c2fc2cc11efbc9a734ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "479f91a17826046d5a0d35a68ab5533e13af21fc7599c2fc2cc11efbc9a734ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "479f91a17826046d5a0d35a68ab5533e13af21fc7599c2fc2cc11efbc9a734ad", kill_on_drop: false }`
[INFO] [stdout] 479f91a17826046d5a0d35a68ab5533e13af21fc7599c2fc2cc11efbc9a734ad
[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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5dc172292b0f7fa85fb0f1510bd9acdd352a1ff1d2adc9b30cc1be9b2664af52
[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" "5dc172292b0f7fa85fb0f1510bd9acdd352a1ff1d2adc9b30cc1be9b2664af52", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking safecast v0.1.1
[INFO] [stderr]     Checking tc-error v0.1.1
[INFO] [stderr]     Checking collate v0.1.7
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]     Checking futures-channel v0.3.14
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking tokio-util v0.6.6
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]    Compiling futures-macro v0.3.14
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]     Checking futures-util v0.3.14
[INFO] [stderr]     Checking pin-project v1.0.7
[INFO] [stderr]     Checking futures-executor v0.3.14
[INFO] [stderr]     Checking futures v0.3.14
[INFO] [stderr]     Checking uplock v0.1.0
[INFO] [stderr]     Checking destream v0.3.2
[INFO] [stderr]     Checking number-general v0.3.6
[INFO] [stderr]     Checking tcgeneric v0.1.2
[INFO] [stderr]     Checking destream_json v0.4.0
[INFO] [stderr]     Checking tc-value v0.1.5
[INFO] [stdout] error[E0004]: non-exhaustive patterns: `&I8` not covered
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tc-value-0.1.5/src/value.rs:155:31
[INFO] [stdout]     |
[INFO] [stdout] 155 |                         match it {
[INFO] [stdout]     |                               ^^ pattern `&I8` not covered
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/number-general-0.3.6/src/class.rs:347:5
[INFO] [stdout]     |
[INFO] [stdout] 347 |     I8,
[INFO] [stdout]     |     -- not covered
[INFO] [stdout]     |
[INFO] [stdout]     = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms
[INFO] [stdout]     = note: the matched value is of type `&number_general::IntType`
[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 E0004`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tc-value`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "5dc172292b0f7fa85fb0f1510bd9acdd352a1ff1d2adc9b30cc1be9b2664af52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dc172292b0f7fa85fb0f1510bd9acdd352a1ff1d2adc9b30cc1be9b2664af52", kill_on_drop: false }`
[INFO] [stdout] 5dc172292b0f7fa85fb0f1510bd9acdd352a1ff1d2adc9b30cc1be9b2664af52