[INFO] fetching crate nauman 1.1.2...
[INFO] checking nauman-1.1.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate nauman 1.1.2 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate nauman 1.1.2 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] removed /workspace/builds/worker-3-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate nauman 1.1.2
[INFO] finished tweaking crates.io crate nauman 1.1.2
[INFO] tweaked toml for crates.io crate nauman 1.1.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate nauman 1.1.2 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 quote v1.0.10
[INFO] [stderr]   Downloaded serde_yaml v0.8.21
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[INFO] [stderr]   Downloaded serde_derive v1.0.130
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 0b7eee7445abfc3b640e19260ecc779844c3f5933805742dfd170a058b51bc4e
[INFO] running `Command { std: "docker" "start" "-a" "0b7eee7445abfc3b640e19260ecc779844c3f5933805742dfd170a058b51bc4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b7eee7445abfc3b640e19260ecc779844c3f5933805742dfd170a058b51bc4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b7eee7445abfc3b640e19260ecc779844c3f5933805742dfd170a058b51bc4e", kill_on_drop: false }`
[INFO] [stdout] 0b7eee7445abfc3b640e19260ecc779844c3f5933805742dfd170a058b51bc4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] ccd4665e632d10319adb64b41840512c1a8cd8cc9eae4fc0541526267da2778c
[INFO] running `Command { std: "docker" "start" "-a" "ccd4665e632d10319adb64b41840512c1a8cd8cc9eae4fc0541526267da2778c", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]    Compiling anyhow v1.0.48
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]     Checking ryu v1.0.7
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking dotenv v0.15.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling test-case v1.2.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking os_str_bytes v4.2.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking nix v0.23.0
[INFO] [stderr]     Checking colored v2.0.0
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[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.5
[INFO] [stderr]     Checking clap v3.0.0-beta.5
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking serde_yaml v0.8.21
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]     Checking nauman v1.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `pprint::*`
[INFO] [stdout]  --> src/logging/mod.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use pprint::*;
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pprint::*`
[INFO] [stdout]  --> src/logging/mod.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use pprint::*;
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]  --> src/utils.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::{self, Rng, SeedableRng};
[INFO] [stdout]   |            ^^^^ the item `rand` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]  --> src/utils.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::{self, Rng, SeedableRng};
[INFO] [stdout]   |            ^^^^ the item `rand` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `cwd`, `env`, `shell_program`, and `shell_args` are never read
[INFO] [stdout]   --> src/logging/logger.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct ActionShell<'a> {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 37 |     pub handler: &'a Shell,
[INFO] [stdout] 38 |     pub cwd: &'a PathBuf,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 39 |     pub env: &'a Env,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 40 |     pub shell_program: &'a str,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 41 |     pub shell_args: &'a [String],
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `focus_id` is never read
[INFO] [stdout]   --> src/execution.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct ExecutionResult {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] 24 |     pub command_id: CommandId,
[INFO] [stdout] 25 |     pub focus_id: Option<CommandId>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ExecutionResult` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `cwd`, `env`, `shell_program`, and `shell_args` are never read
[INFO] [stdout]   --> src/logging/logger.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct ActionShell<'a> {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 37 |     pub handler: &'a Shell,
[INFO] [stdout] 38 |     pub cwd: &'a PathBuf,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 39 |     pub env: &'a Env,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 40 |     pub shell_program: &'a str,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 41 |     pub shell_args: &'a [String],
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `focus_id` is never read
[INFO] [stdout]   --> src/execution.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct ExecutionResult {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] 24 |     pub command_id: CommandId,
[INFO] [stdout] 25 |     pub focus_id: Option<CommandId>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ExecutionResult` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.77s
[INFO] running `Command { std: "docker" "inspect" "ccd4665e632d10319adb64b41840512c1a8cd8cc9eae4fc0541526267da2778c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccd4665e632d10319adb64b41840512c1a8cd8cc9eae4fc0541526267da2778c", kill_on_drop: false }`
[INFO] [stdout] ccd4665e632d10319adb64b41840512c1a8cd8cc9eae4fc0541526267da2778c