[INFO] fetching crate vapabi-cli 9.0.1...
[INFO] checking vapabi-cli-9.0.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate vapabi-cli 9.0.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate vapabi-cli 9.0.1 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vapabi-cli 9.0.1
[INFO] finished tweaking crates.io crate vapabi-cli 9.0.1
[INFO] tweaked toml for crates.io crate vapabi-cli 9.0.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate vapabi-cli 9.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tetsy-fixed-hash v0.5.0
[INFO] [stderr]   Downloaded vapory-types v0.8.0
[INFO] [stderr]   Downloaded tetsy-rlp v0.4.2
[INFO] [stderr]   Downloaded tetsy-impl-rlp v0.2.0
[INFO] [stderr]   Downloaded tetsy-impl-serde v0.2.2
[INFO] [stderr]   Downloaded vapbloom v0.8.0
[INFO] [stderr]   Downloaded tiny-keccak v1.5.0
[INFO] [stderr]   Downloaded tetsy-impl-codec v0.4.1
[INFO] [stderr]   Downloaded vecarray v0.1.2
[INFO] [stderr]   Downloaded tetsy-scale-codec v1.0.3
[INFO] [stderr]   Downloaded tetsy-primitive-types v0.6.0
[INFO] [stderr]   Downloaded docopt v1.1.0
[INFO] [stderr]   Downloaded uint-crate v0.8.1
[INFO] [stderr]   Downloaded addr2line v0.14.1
[INFO] [stderr]   Downloaded object v0.23.0
[INFO] [stderr]   Downloaded backtrace v0.3.56
[INFO] [stderr]   Downloaded vapabi v9.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 500f0022e2f83afda095b09f3745d95328a81225cebe2a090a3862aa156e3a60
[INFO] running `Command { std: "docker" "start" "-a" "500f0022e2f83afda095b09f3745d95328a81225cebe2a090a3862aa156e3a60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "500f0022e2f83afda095b09f3745d95328a81225cebe2a090a3862aa156e3a60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "500f0022e2f83afda095b09f3745d95328a81225cebe2a090a3862aa156e3a60", kill_on_drop: false }`
[INFO] [stdout] 500f0022e2f83afda095b09f3745d95328a81225cebe2a090a3862aa156e3a60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d340172e307c2e079f30406b0fec678b45098ce728647ba2a703ca82df963a1
[INFO] running `Command { std: "docker" "start" "-a" "0d340172e307c2e079f30406b0fec678b45098ce728647ba2a703ca82df963a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking radium v0.3.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking byte-slice-cast v0.3.5
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking tetsy-rlp v0.4.2
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking tetsy-impl-rlp v0.2.0
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking strsim v0.9.3
[INFO] [stderr]     Checking uint-crate v0.8.1
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking tetsy-fixed-hash v0.5.0
[INFO] [stderr]     Checking vecarray v0.1.2
[INFO] [stderr]     Checking tetsy-impl-serde v0.2.2
[INFO] [stderr]     Checking docopt v1.1.0
[INFO] [stderr]     Checking tetsy-scale-codec v1.0.3
[INFO] [stderr]     Checking vapbloom v0.8.0
[INFO] [stderr]     Checking tetsy-impl-codec v0.4.1
[INFO] [stderr]     Checking tetsy-primitive-types v0.6.0
[INFO] [stderr]     Checking vapory-types v0.8.0
[INFO] [stderr]     Checking vapabi v9.0.1
[INFO] [stderr]     Checking vapabi-cli v9.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `vapabi` is imported redundantly
[INFO] [stdout]  --> src/error.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 | use {vapabi, docopt, hex};
[INFO] [stdout]   |      ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/main.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | extern crate vapabi;
[INFO] [stdout]   | -------------------- the item `vapabi` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `docopt` is imported redundantly
[INFO] [stdout]  --> src/error.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 | use {vapabi, docopt, hex};
[INFO] [stdout]   |              ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate docopt;
[INFO] [stdout]   | -------------------- the item `docopt` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hex` is imported redundantly
[INFO] [stdout]  --> src/error.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 | use {vapabi, docopt, hex};
[INFO] [stdout]   |                      ^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate rustc_hex as hex;
[INFO] [stdout]   | ------------------------------ the item `hex` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `vapabi` is imported redundantly
[INFO] [stdout]  --> src/error.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 | use {vapabi, docopt, hex};
[INFO] [stdout]   |      ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/main.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | extern crate vapabi;
[INFO] [stdout]   | -------------------- the item `vapabi` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `docopt` is imported redundantly
[INFO] [stdout]  --> src/error.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 | use {vapabi, docopt, hex};
[INFO] [stdout]   |              ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate docopt;
[INFO] [stdout]   | -------------------- the item `docopt` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hex` is imported redundantly
[INFO] [stdout]  --> src/error.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 | use {vapabi, docopt, hex};
[INFO] [stdout]   |                      ^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate rustc_hex as hex;
[INFO] [stdout]   | ------------------------------ the item `hex` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.24s
[INFO] running `Command { std: "docker" "inspect" "0d340172e307c2e079f30406b0fec678b45098ce728647ba2a703ca82df963a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d340172e307c2e079f30406b0fec678b45098ce728647ba2a703ca82df963a1", kill_on_drop: false }`
[INFO] [stdout] 0d340172e307c2e079f30406b0fec678b45098ce728647ba2a703ca82df963a1