[INFO] fetching crate cargo-whatfeatures 0.9.9...
[INFO] checking cargo-whatfeatures-0.9.9 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate cargo-whatfeatures 0.9.9 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate cargo-whatfeatures 0.9.9 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 cargo-whatfeatures 0.9.9
[INFO] finished tweaking crates.io crate cargo-whatfeatures 0.9.9
[INFO] tweaked toml for crates.io crate cargo-whatfeatures 0.9.9 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate cargo-whatfeatures 0.9.9 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
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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] 691ea50403c7d8939e1a067dd49ed0f9abaac0469fb421bb51c2fe22469d9b6c
[INFO] running `Command { std: "docker" "start" "-a" "691ea50403c7d8939e1a067dd49ed0f9abaac0469fb421bb51c2fe22469d9b6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "691ea50403c7d8939e1a067dd49ed0f9abaac0469fb421bb51c2fe22469d9b6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "691ea50403c7d8939e1a067dd49ed0f9abaac0469fb421bb51c2fe22469d9b6c", kill_on_drop: false }`
[INFO] [stdout] 691ea50403c7d8939e1a067dd49ed0f9abaac0469fb421bb51c2fe22469d9b6c
[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] d17d4a433b7a79b7c13ecce965d960a19f88294069953b6b9ebfabe573a66750
[INFO] running `Command { std: "docker" "start" "-a" "d17d4a433b7a79b7c13ecce965d960a19f88294069953b6b9ebfabe573a66750", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling openssl v0.10.41
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]    Compiling camino v1.1.1
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]    Compiling semver v1.0.13
[INFO] [stderr]     Checking unicode-normalization v0.1.21
[INFO] [stderr]     Checking once_cell v1.13.1
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]    Compiling anyhow v1.0.62
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking filetime v0.2.17
[INFO] [stderr]     Checking xattr v0.2.3
[INFO] [stderr]    Compiling openssl-sys v0.9.75
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]    Compiling time-macros v0.2.4
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]     Checking tar v0.4.38
[INFO] [stderr]     Checking directories v4.0.1
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking crate_version_parse v0.2.0
[INFO] [stderr]     Checking home v0.5.3
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[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]     Checking cargo-platform v0.1.2
[INFO] [stderr]     Checking time v0.3.14
[INFO] [stderr]     Checking attohttpc v0.22.0
[INFO] [stderr]     Checking cargo_metadata v0.15.0
[INFO] [stderr]     Checking cargo-whatfeatures v0.9.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `right` is never read
[INFO] [stdout]  --> src/printer/style.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Style {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 6 |     pub right: &'static str,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Style` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `right` is never read
[INFO] [stdout]  --> src/printer/style.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Style {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 6 |     pub right: &'static str,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Style` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.28s
[INFO] running `Command { std: "docker" "inspect" "d17d4a433b7a79b7c13ecce965d960a19f88294069953b6b9ebfabe573a66750", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d17d4a433b7a79b7c13ecce965d960a19f88294069953b6b9ebfabe573a66750", kill_on_drop: false }`
[INFO] [stdout] d17d4a433b7a79b7c13ecce965d960a19f88294069953b6b9ebfabe573a66750
[INFO] checking cargo-whatfeatures-0.9.9 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate cargo-whatfeatures 0.9.9 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate cargo-whatfeatures 0.9.9 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-whatfeatures 0.9.9
[INFO] finished tweaking crates.io crate cargo-whatfeatures 0.9.9
[INFO] tweaked toml for crates.io crate cargo-whatfeatures 0.9.9 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate cargo-whatfeatures 0.9.9 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3fd592b6296c9ab099d073556731a17be363e17ec2c3a7e25e72c27a412ce74e
[INFO] running `Command { std: "docker" "start" "-a" "3fd592b6296c9ab099d073556731a17be363e17ec2c3a7e25e72c27a412ce74e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fd592b6296c9ab099d073556731a17be363e17ec2c3a7e25e72c27a412ce74e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fd592b6296c9ab099d073556731a17be363e17ec2c3a7e25e72c27a412ce74e", kill_on_drop: false }`
[INFO] [stdout] 3fd592b6296c9ab099d073556731a17be363e17ec2c3a7e25e72c27a412ce74e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d022655ca583a29fd45ed6aa5df27e12348f39c7159f4be691755960e8631e00
[INFO] running `Command { std: "docker" "start" "-a" "d022655ca583a29fd45ed6aa5df27e12348f39c7159f4be691755960e8631e00", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling openssl v0.10.41
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]     Checking once_cell v1.13.1
[INFO] [stderr]     Checking unicode-normalization v0.1.21
[INFO] [stderr]    Compiling camino v1.1.1
[INFO] [stderr]    Compiling semver v1.0.13
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]    Compiling anyhow v1.0.62
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking filetime v0.2.17
[INFO] [stderr]     Checking xattr v0.2.3
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]    Compiling openssl-sys v0.9.75
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]    Compiling time-macros v0.2.4
[INFO] [stderr]     Checking tar v0.4.38
[INFO] [stderr]     Checking directories v4.0.1
[INFO] [stderr]     Checking home v0.5.3
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking pico-args v0.5.0
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking crate_version_parse v0.2.0
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]     Checking cargo-platform v0.1.2
[INFO] [stderr]     Checking time v0.3.14
[INFO] [stderr]     Checking attohttpc v0.22.0
[INFO] [stderr]     Checking cargo_metadata v0.15.0
[INFO] [stderr]     Checking cargo-whatfeatures v0.9.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `right` is never read
[INFO] [stdout]  --> src/printer/style.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Style {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 6 |     pub right: &'static str,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Style` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `right` is never read
[INFO] [stdout]  --> src/printer/style.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Style {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 6 |     pub right: &'static str,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Style` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.36s
[INFO] running `Command { std: "docker" "inspect" "d022655ca583a29fd45ed6aa5df27e12348f39c7159f4be691755960e8631e00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d022655ca583a29fd45ed6aa5df27e12348f39c7159f4be691755960e8631e00", kill_on_drop: false }`
[INFO] [stdout] d022655ca583a29fd45ed6aa5df27e12348f39c7159f4be691755960e8631e00