[INFO] fetching crate finance-solution 0.0.0...
[INFO] checking finance-solution-0.0.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate finance-solution 0.0.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate finance-solution 0.0.0 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 finance-solution 0.0.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate finance-solution 0.0.0
[INFO] tweaked toml for crates.io crate finance-solution 0.0.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate finance-solution 0.0.0 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]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v1.0.23
[INFO] [stderr]   Downloaded colored v1.9.3
[INFO] [stderr]   Downloaded proc-macro2 v1.0.15
[INFO] [stderr]   Downloaded aho-corasick v0.7.10
[INFO] [stderr]   Downloaded thread_local v1.0.1
[INFO] [stderr]   Downloaded termcolor v1.1.0
[INFO] [stderr]   Downloaded float-cmp v0.6.0
[INFO] [stderr]   Downloaded libm v0.2.1
[INFO] [stderr]   Downloaded num-format v0.4.0
[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] d422bf42f7ba45effd2d4ab8ad7e4e7fde0d1832eef0f50c143815ed5263663f
[INFO] running `Command { std: "docker" "start" "-a" "d422bf42f7ba45effd2d4ab8ad7e4e7fde0d1832eef0f50c143815ed5263663f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d422bf42f7ba45effd2d4ab8ad7e4e7fde0d1832eef0f50c143815ed5263663f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d422bf42f7ba45effd2d4ab8ad7e4e7fde0d1832eef0f50c143815ed5263663f", kill_on_drop: false }`
[INFO] [stdout] d422bf42f7ba45effd2d4ab8ad7e4e7fde0d1832eef0f50c143815ed5263663f
[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] 891fccbf0d308c29106ae19a5c972e1eb5982a799d87e72f1fa6ba562bc8cd49
[INFO] running `Command { std: "docker" "start" "-a" "891fccbf0d308c29106ae19a5c972e1eb5982a799d87e72f1fa6ba562bc8cd49", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.15
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling syn v1.0.23
[INFO] [stderr]    Compiling bitflags v1.2.1
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[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking num_cpus v1.13.0
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[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking num-format v0.4.0
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking plotters v0.2.14
[INFO] [stderr]     Checking float-cmp v0.6.0
[INFO] [stderr]     Checking criterion-plot v0.4.2
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking oorandom v11.1.1
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking finance-solution v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stdout] warning: the item `Formatter` is imported redundantly
[INFO] [stdout]  --> src/tvm/mod.rs:6:25
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::*;
[INFO] [stdout]   |     -------- the item `Formatter` is already imported here
[INFO] [stdout] 5 | use std::ops::Deref;
[INFO] [stdout] 6 | use std::fmt::{Display, Formatter, Error};
[INFO] [stdout]   |                         ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Error` is imported redundantly
[INFO] [stdout]  --> src/tvm/mod.rs:6:36
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::*;
[INFO] [stdout]   |     -------- the item `Error` is already imported here
[INFO] [stdout] 5 | use std::ops::Deref;
[INFO] [stdout] 6 | use std::fmt::{Display, Formatter, Error};
[INFO] [stdout]   |                                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tinytemplate v1.0.4
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]     Checking criterion v0.3.2
[INFO] [stdout] warning: the item `Formatter` is imported redundantly
[INFO] [stdout]  --> src/tvm/mod.rs:6:25
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::*;
[INFO] [stdout]   |     -------- the item `Formatter` is already imported here
[INFO] [stdout] 5 | use std::ops::Deref;
[INFO] [stdout] 6 | use std::fmt::{Display, Formatter, Error};
[INFO] [stdout]   |                         ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Error` is imported redundantly
[INFO] [stdout]  --> src/tvm/mod.rs:6:36
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::*;
[INFO] [stdout]   |     -------- the item `Error` is already imported here
[INFO] [stdout] 5 | use std::ops::Deref;
[INFO] [stdout] 6 | use std::fmt::{Display, Formatter, Error};
[INFO] [stdout]   |                                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `initialized_vector` is imported redundantly
[INFO] [stdout]    --> src/tvm/future_value.rs:421:9
[INFO] [stdout]     |
[INFO] [stdout] 420 |     use super::*;
[INFO] [stdout]     |         -------- the item `initialized_vector` is already imported here
[INFO] [stdout] 421 |     use crate::initialized_vector;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.10s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.2
[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" "891fccbf0d308c29106ae19a5c972e1eb5982a799d87e72f1fa6ba562bc8cd49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "891fccbf0d308c29106ae19a5c972e1eb5982a799d87e72f1fa6ba562bc8cd49", kill_on_drop: false }`
[INFO] [stdout] 891fccbf0d308c29106ae19a5c972e1eb5982a799d87e72f1fa6ba562bc8cd49