[INFO] fetching crate vtkio 0.6.3...
[INFO] checking vtkio-0.6.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate vtkio 0.6.3 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate vtkio 0.6.3 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 vtkio 0.6.3
[INFO] finished tweaking crates.io crate vtkio 0.6.3
[INFO] tweaked toml for crates.io crate vtkio 0.6.3 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 37 packages
[INFO] [stderr]       Adding base64 v0.13.1 (latest: v0.22.0)
[INFO] [stderr]       Adding lz4_flex v0.7.5 (latest: v0.11.3)
[INFO] [stderr]       Adding memchr v1.0.2 (latest: v2.7.2)
[INFO] [stderr]       Adding nom v3.2.1 (latest: v7.1.3)
[INFO] [stderr]       Adding num-derive v0.3.3 (latest: v0.4.2)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding quick-xml v0.22.0 (latest: v0.31.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] f3229ad63e1cb86f66f4fac9fdec3cd0373a01981db4ea1bd11a0cf25756a343
[INFO] running `Command { std: "docker" "start" "-a" "f3229ad63e1cb86f66f4fac9fdec3cd0373a01981db4ea1bd11a0cf25756a343", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3229ad63e1cb86f66f4fac9fdec3cd0373a01981db4ea1bd11a0cf25756a343", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3229ad63e1cb86f66f4fac9fdec3cd0373a01981db4ea1bd11a0cf25756a343", kill_on_drop: false }`
[INFO] [stdout] f3229ad63e1cb86f66f4fac9fdec3cd0373a01981db4ea1bd11a0cf25756a343
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 186cb6a306b8e943c36e22fe3846638c7ad3768102ffd9806871071a045ecc81
[INFO] running `Command { std: "docker" "start" "-a" "186cb6a306b8e943c36e22fe3846638c7ad3768102ffd9806871071a045ecc81", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking bytemuck v1.15.0
[INFO] [stderr]     Checking lz4_flex v0.7.5
[INFO] [stderr]    Compiling lzma-sys v0.1.20
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking xz2 v0.1.7
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking quick-xml v0.22.0
[INFO] [stderr]     Checking vtkio v0.6.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `nom` is imported redundantly
[INFO] [stdout]   --> src/parser.rs:9:11
[INFO] [stdout]    |
[INFO] [stdout] 9  | use nom::{self, eol, ErrorKind, IResult};
[INFO] [stdout]    |           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:51:1
[INFO] [stdout]    |
[INFO] [stdout] 51 | extern crate nom;
[INFO] [stdout]    | ----------------- the item `nom` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/parser.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub use crate::basic::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ the name `Scalar` in the type namespace is first re-exported here
[INFO] [stdout] 13 | use crate::model::*;
[INFO] [stdout]    |     --------------- but the name `Scalar` in the type namespace is also re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Serialize` is imported redundantly
[INFO] [stdout]    --> src/xml.rs:653:22
[INFO] [stdout]     |
[INFO] [stdout] 652 |     use super::*;
[INFO] [stdout]     |         -------- the item `Serialize` is already imported here
[INFO] [stdout] 653 |     use serde::ser::{Serialize, SerializeStruct, Serializer};
[INFO] [stdout]     |                      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `IResult` is imported redundantly
[INFO] [stdout]    --> src/basic.rs:264:9
[INFO] [stdout]     |
[INFO] [stdout] 262 |     use super::*;
[INFO] [stdout]     |         -------- the item `IResult` is already imported here
[INFO] [stdout] 263 |     use byteorder::BigEndian;
[INFO] [stdout] 264 |     use nom::IResult;
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/parser.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub use crate::basic::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ the name `Scalar` in the type namespace is first re-exported here
[INFO] [stdout] 13 | use crate::model::*;
[INFO] [stdout]    |     --------------- but the name `Scalar` in the type namespace is also re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `IResult` is imported redundantly
[INFO] [stdout]    --> src/parser.rs:808:9
[INFO] [stdout]     |
[INFO] [stdout] 807 |     use super::*;
[INFO] [stdout]     |         -------- the item `IResult` is already imported here
[INFO] [stdout] 808 |     use nom::IResult;
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Serialize` is imported redundantly
[INFO] [stdout]    --> src/xml.rs:653:22
[INFO] [stdout]     |
[INFO] [stdout] 652 |     use super::*;
[INFO] [stdout]     |         -------- the item `Serialize` is already imported here
[INFO] [stdout] 653 |     use serde::ser::{Serialize, SerializeStruct, Serializer};
[INFO] [stdout]     |                      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.81s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v3.2.1, quick-xml v0.22.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "186cb6a306b8e943c36e22fe3846638c7ad3768102ffd9806871071a045ecc81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "186cb6a306b8e943c36e22fe3846638c7ad3768102ffd9806871071a045ecc81", kill_on_drop: false }`
[INFO] [stdout] 186cb6a306b8e943c36e22fe3846638c7ad3768102ffd9806871071a045ecc81
[INFO] checking vtkio-0.6.3 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate vtkio 0.6.3 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate vtkio 0.6.3 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vtkio 0.6.3
[INFO] finished tweaking crates.io crate vtkio 0.6.3
[INFO] tweaked toml for crates.io crate vtkio 0.6.3 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d17651d7a277892cd2fffe91eb5ec42076685be2082520666e1d924ff003dbcb
[INFO] running `Command { std: "docker" "start" "-a" "d17651d7a277892cd2fffe91eb5ec42076685be2082520666e1d924ff003dbcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d17651d7a277892cd2fffe91eb5ec42076685be2082520666e1d924ff003dbcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d17651d7a277892cd2fffe91eb5ec42076685be2082520666e1d924ff003dbcb", kill_on_drop: false }`
[INFO] [stdout] d17651d7a277892cd2fffe91eb5ec42076685be2082520666e1d924ff003dbcb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96e1e28b8d63a13e4dc60d06e040b751f274c0b22d167dddb89452c847629114
[INFO] running `Command { std: "docker" "start" "-a" "96e1e28b8d63a13e4dc60d06e040b751f274c0b22d167dddb89452c847629114", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling lzma-sys v0.1.20
[INFO] [stderr]     Checking lz4_flex v0.7.5
[INFO] [stderr]     Checking bytemuck v1.15.0
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking xz2 v0.1.7
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking quick-xml v0.22.0
[INFO] [stderr]     Checking vtkio v0.6.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `nom` is imported redundantly
[INFO] [stdout]   --> src/parser.rs:9:11
[INFO] [stdout]    |
[INFO] [stdout] 9  | use nom::{self, eol, ErrorKind, IResult};
[INFO] [stdout]    |           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:51:1
[INFO] [stdout]    |
[INFO] [stdout] 51 | extern crate nom;
[INFO] [stdout]    | ----------------- the item `nom` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/parser.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub use crate::basic::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ the name `Scalar` in the type namespace is first re-exported here
[INFO] [stdout] 13 | use crate::model::*;
[INFO] [stdout]    |     --------------- but the name `Scalar` in the type namespace is also re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `IResult` is imported redundantly
[INFO] [stdout]    --> src/basic.rs:264:9
[INFO] [stdout]     |
[INFO] [stdout] 262 |     use super::*;
[INFO] [stdout]     |         -------- the item `IResult` is already imported here
[INFO] [stdout] 263 |     use byteorder::BigEndian;
[INFO] [stdout] 264 |     use nom::IResult;
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/parser.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub use crate::basic::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ the name `Scalar` in the type namespace is first re-exported here
[INFO] [stdout] 13 | use crate::model::*;
[INFO] [stdout]    |     --------------- but the name `Scalar` in the type namespace is also re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Serialize` is imported redundantly
[INFO] [stdout]    --> src/xml.rs:653:22
[INFO] [stdout]     |
[INFO] [stdout] 652 |     use super::*;
[INFO] [stdout]     |         -------- the item `Serialize` is already imported here
[INFO] [stdout] 653 |     use serde::ser::{Serialize, SerializeStruct, Serializer};
[INFO] [stdout]     |                      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `IResult` is imported redundantly
[INFO] [stdout]    --> src/parser.rs:808:9
[INFO] [stdout]     |
[INFO] [stdout] 807 |     use super::*;
[INFO] [stdout]     |         -------- the item `IResult` is already imported here
[INFO] [stdout] 808 |     use nom::IResult;
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Serialize` is imported redundantly
[INFO] [stdout]    --> src/xml.rs:653:22
[INFO] [stdout]     |
[INFO] [stdout] 652 |     use super::*;
[INFO] [stdout]     |         -------- the item `Serialize` is already imported here
[INFO] [stdout] 653 |     use serde::ser::{Serialize, SerializeStruct, Serializer};
[INFO] [stdout]     |                      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.17s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v3.2.1, quick-xml v0.22.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "96e1e28b8d63a13e4dc60d06e040b751f274c0b22d167dddb89452c847629114", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96e1e28b8d63a13e4dc60d06e040b751f274c0b22d167dddb89452c847629114", kill_on_drop: false }`
[INFO] [stdout] 96e1e28b8d63a13e4dc60d06e040b751f274c0b22d167dddb89452c847629114