[INFO] fetching crate cargo-whatfeatures 0.9.9...
[INFO] checking cargo-whatfeatures-0.9.9 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[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
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pico-args v0.5.0
[INFO] [stderr]   Downloaded num_threads v0.1.6
[INFO] [stderr]   Downloaded tar v0.4.38
[INFO] [stderr]   Downloaded time-macros v0.2.4
[INFO] [stderr]   Downloaded cargo-platform v0.1.2
[INFO] [stderr]   Downloaded directories v4.0.1
[INFO] [stderr]   Downloaded serde_derive v1.0.144
[INFO] [stderr]   Downloaded crate_version_parse v0.2.0
[INFO] [stderr]   Downloaded camino v1.1.1
[INFO] [stderr]   Downloaded anyhow v1.0.62
[INFO] [stderr]   Downloaded attohttpc v0.22.0
[INFO] [stderr]   Downloaded rustls v0.20.6
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[INFO] [stderr]   Downloaded flate2 v1.0.24
[INFO] [stderr]   Downloaded semver v1.0.13
[INFO] [stderr]   Downloaded cargo_metadata v0.15.0
[INFO] [stderr]   Downloaded serde v1.0.144
[INFO] [stderr]   Downloaded time v0.3.14
[INFO] [stderr]   Downloaded xattr v0.2.3
[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] 097afd6543a08ffc31dfb1b9aee94e02873633b6b65efb3e0f51c90a50a9674c
[INFO] running `Command { std: "docker" "start" "-a" "097afd6543a08ffc31dfb1b9aee94e02873633b6b65efb3e0f51c90a50a9674c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "097afd6543a08ffc31dfb1b9aee94e02873633b6b65efb3e0f51c90a50a9674c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "097afd6543a08ffc31dfb1b9aee94e02873633b6b65efb3e0f51c90a50a9674c", kill_on_drop: false }`
[INFO] [stdout] 097afd6543a08ffc31dfb1b9aee94e02873633b6b65efb3e0f51c90a50a9674c
[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] 2024180a8588f9502342e48739a2987c59a5f5e1fb09ff55574d534d8358c81e
[INFO] running `Command { std: "docker" "start" "-a" "2024180a8588f9502342e48739a2987c59a5f5e1fb09ff55574d534d8358c81e", kill_on_drop: false }`
[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]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling openssl v0.10.41
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]    Compiling camino v1.1.1
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[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 bytes v1.2.1
[INFO] [stderr]    Compiling time-macros v0.2.4
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking crate_version_parse v0.2.0
[INFO] [stderr]     Checking home v0.5.3
[INFO] [stderr]     Checking pico-args v0.5.0
[INFO] [stderr]     Checking http v0.2.8
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[INFO] [stderr]    Compiling openssl-sys v0.9.75
[INFO] [stderr]     Checking xattr v0.2.3
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking filetime v0.2.17
[INFO] [stderr]     Checking directories v4.0.1
[INFO] [stderr]     Checking tar v0.4.38
[INFO] [stderr]     Checking unicode-normalization v0.1.21
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking cargo-platform v0.1.2
[INFO] [stderr]     Checking time v0.3.14
[INFO] [stderr]     Checking cargo_metadata v0.15.0
[INFO] [stderr]     Checking attohttpc v0.22.0
[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 14.95s
[INFO] running `Command { std: "docker" "inspect" "2024180a8588f9502342e48739a2987c59a5f5e1fb09ff55574d534d8358c81e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2024180a8588f9502342e48739a2987c59a5f5e1fb09ff55574d534d8358c81e", kill_on_drop: false }`
[INFO] [stdout] 2024180a8588f9502342e48739a2987c59a5f5e1fb09ff55574d534d8358c81e
[INFO] checking cargo-whatfeatures-0.9.9 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[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 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 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6fe611c35679d408426ac037f6af92b3a311e7dbd6bcf523779bd4e740ecce00
[INFO] running `Command { std: "docker" "start" "-a" "6fe611c35679d408426ac037f6af92b3a311e7dbd6bcf523779bd4e740ecce00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fe611c35679d408426ac037f6af92b3a311e7dbd6bcf523779bd4e740ecce00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fe611c35679d408426ac037f6af92b3a311e7dbd6bcf523779bd4e740ecce00", kill_on_drop: false }`
[INFO] [stdout] 6fe611c35679d408426ac037f6af92b3a311e7dbd6bcf523779bd4e740ecce00
[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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9fdab2635a97a89e542d96abb0d7924fe29292a6697cae2112856b0675e5e98f
[INFO] running `Command { std: "docker" "start" "-a" "9fdab2635a97a89e542d96abb0d7924fe29292a6697cae2112856b0675e5e98f", kill_on_drop: false }`
[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]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling openssl v0.10.41
[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 native-tls v0.2.10
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]    Compiling semver v1.0.13
[INFO] [stderr]    Compiling camino v1.1.1
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]    Compiling anyhow v1.0.62
[INFO] [stderr]    Compiling time-macros v0.2.4
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking crate_version_parse v0.2.0
[INFO] [stderr]     Checking home v0.5.3
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking pico-args v0.5.0
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]    Compiling openssl-sys v0.9.75
[INFO] [stderr]     Checking unicode-normalization v0.1.21
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking xattr v0.2.3
[INFO] [stderr]     Checking filetime v0.2.17
[INFO] [stderr]     Checking directories v4.0.1
[INFO] [stderr]     Checking tar v0.4.38
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking cargo-platform v0.1.2
[INFO] [stderr]     Checking time v0.3.14
[INFO] [stderr]     Checking cargo_metadata v0.15.0
[INFO] [stderr]     Checking attohttpc v0.22.0
[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 14.04s
[INFO] running `Command { std: "docker" "inspect" "9fdab2635a97a89e542d96abb0d7924fe29292a6697cae2112856b0675e5e98f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fdab2635a97a89e542d96abb0d7924fe29292a6697cae2112856b0675e5e98f", kill_on_drop: false }`
[INFO] [stdout] 9fdab2635a97a89e542d96abb0d7924fe29292a6697cae2112856b0675e5e98f