[INFO] fetching crate pharaoh 0.2.0...
[INFO] checking pharaoh-0.2.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate pharaoh 0.2.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate pharaoh 0.2.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pharaoh 0.2.0
[INFO] finished tweaking crates.io crate pharaoh 0.2.0
[INFO] tweaked toml for crates.io crate pharaoh 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate pharaoh 0.2.0 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fragile v1.0.0
[INFO] [stderr]   Downloaded assert_cmd v2.0.1
[INFO] [stderr]   Downloaded unindent v0.1.7
[INFO] [stderr]   Downloaded indoc v1.0.3
[INFO] [stderr]   Downloaded predicates v2.0.2
[INFO] [stderr]   Downloaded serde_yaml v0.8.20
[INFO] [stderr]   Downloaded similar v1.3.0
[INFO] [stderr]   Downloaded predicates-tree v1.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b4d16d28222d954eef560387d79e65a34e64125ef282ee6bb07357dc115ab5a
[INFO] running `Command { std: "docker" "start" "-a" "0b4d16d28222d954eef560387d79e65a34e64125ef282ee6bb07357dc115ab5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b4d16d28222d954eef560387d79e65a34e64125ef282ee6bb07357dc115ab5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b4d16d28222d954eef560387d79e65a34e64125ef282ee6bb07357dc115ab5a", kill_on_drop: false }`
[INFO] [stdout] 0b4d16d28222d954eef560387d79e65a34e64125ef282ee6bb07357dc115ab5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b4f5996b2269b95c03c82a2c8ca9b5dbc834d1f49db4f1e7641adb9d971c11c
[INFO] running `Command { std: "docker" "start" "-a" "2b4f5996b2269b95c03c82a2c8ca9b5dbc834d1f49db4f1e7641adb9d971c11c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking predicates-core v1.0.2
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking predicates-tree v1.0.3
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking downcast v0.10.0
[INFO] [stderr]     Checking fragile v1.0.0
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]    Compiling indoc v1.0.3
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking similar v1.3.0
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking pretty_assertions v0.7.2
[INFO] [stderr]     Checking globset v0.4.8
[INFO] [stderr]     Checking predicates v1.0.8
[INFO] [stderr]     Checking predicates v2.0.2
[INFO] [stderr]     Checking ignore v0.4.18
[INFO] [stderr]     Checking assert_cmd v2.0.1
[INFO] [stderr]     Checking globwalk v0.8.1
[INFO] [stderr]    Compiling darling_core v0.12.4
[INFO] [stderr]    Compiling mockall_derive v0.10.2
[INFO] [stderr]    Compiling darling_macro v0.12.4
[INFO] [stderr]    Compiling darling v0.12.4
[INFO] [stderr]    Compiling derive_builder_core v0.10.2
[INFO] [stderr]    Compiling derive_builder_macro v0.10.2
[INFO] [stderr]     Checking mockall v0.10.2
[INFO] [stderr]     Checking derive_builder v0.10.2
[INFO] [stderr]     Checking serde_yaml v0.8.20
[INFO] [stderr]     Checking pharaoh v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `TestResult` is imported redundantly
[INFO] [stdout]    --> src/printer/mod.rs:115:32
[INFO] [stdout]     |
[INFO] [stdout] 110 |     use super::*;
[INFO] [stdout]     |         -------- the item `TestResult` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 115 |     use crate::types::result::{TestResult, TestResultBuilder, TestSuiteResult};
[INFO] [stdout]     |                                ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TestSuiteResult` is imported redundantly
[INFO] [stdout]    --> src/printer/mod.rs:115:63
[INFO] [stdout]     |
[INFO] [stdout] 110 |     use super::*;
[INFO] [stdout]     |         -------- the item `TestSuiteResult` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 115 |     use crate::types::result::{TestResult, TestResultBuilder, TestSuiteResult};
[INFO] [stdout]     |                                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.32s
[INFO] running `Command { std: "docker" "inspect" "2b4f5996b2269b95c03c82a2c8ca9b5dbc834d1f49db4f1e7641adb9d971c11c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b4f5996b2269b95c03c82a2c8ca9b5dbc834d1f49db4f1e7641adb9d971c11c", kill_on_drop: false }`
[INFO] [stdout] 2b4f5996b2269b95c03c82a2c8ca9b5dbc834d1f49db4f1e7641adb9d971c11c