[INFO] cloning repository https://github.com/abrassel/ibm-quantum
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/abrassel/ibm-quantum" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabrassel%2Fibm-quantum", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabrassel%2Fibm-quantum'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 96fc35d82921158ef39e5314921c0a9d9e22b7cf
[INFO] checking abrassel/ibm-quantum against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabrassel%2Fibm-quantum" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/abrassel/ibm-quantum 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 git repo https://github.com/abrassel/ibm-quantum
[INFO] finished tweaking git repo https://github.com/abrassel/ibm-quantum
[INFO] tweaked toml for git repo https://github.com/abrassel/ibm-quantum written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/abrassel/ibm-quantum 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 assert-json-diff v2.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 65ebbf3bfffc84ee1e750829e16c6c448fffa29b2177c09bd8701af91f8b3049
[INFO] running `Command { std: "docker" "start" "-a" "65ebbf3bfffc84ee1e750829e16c6c448fffa29b2177c09bd8701af91f8b3049", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65ebbf3bfffc84ee1e750829e16c6c448fffa29b2177c09bd8701af91f8b3049", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65ebbf3bfffc84ee1e750829e16c6c448fffa29b2177c09bd8701af91f8b3049", kill_on_drop: false }`
[INFO] [stdout] 65ebbf3bfffc84ee1e750829e16c6c448fffa29b2177c09bd8701af91f8b3049
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 2bdc931f6cfdaa6617b158c2ab6be71636f7c369de6435262f48465a4cfb6c37
[INFO] running `Command { std: "docker" "start" "-a" "2bdc931f6cfdaa6617b158c2ab6be71636f7c369de6435262f48465a4cfb6c37", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]    Compiling openssl-sys v0.9.74
[INFO] [stderr]     Checking hashbrown v0.12.1
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]    Compiling openssl v0.10.40
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]    Compiling httparse v1.7.1
[INFO] [stderr]     Checking futures-util v0.3.21
[INFO] [stderr]     Checking unicode-normalization v0.1.20
[INFO] [stderr]    Compiling crossbeam-utils v0.8.10
[INFO] [stderr]     Checking os_str_bytes v6.1.0
[INFO] [stderr]    Compiling anyhow v1.0.58
[INFO] [stderr]     Checking tracing-core v0.1.28
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]     Checking clap_lex v0.2.3
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking pretty_assertions v1.2.1
[INFO] [stderr]     Checking tracing v0.1.35
[INFO] [stderr]     Checking indexmap v1.9.1
[INFO] [stderr]     Checking tokio v1.19.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.5
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking tokio-util v0.7.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking h2 v0.3.13
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling clap_derive v3.2.6
[INFO] [stderr]     Checking clap v3.2.6
[INFO] [stderr]     Checking hyper v0.14.19
[INFO] [stderr]     Checking serde v1.0.137
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking serde_json v1.0.81
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking reqwest v0.11.11
[INFO] [stderr]     Checking assert-json-diff v2.0.1
[INFO] [stderr]     Checking ibm-quantum v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.36s
[INFO] running `Command { std: "docker" "inspect" "2bdc931f6cfdaa6617b158c2ab6be71636f7c369de6435262f48465a4cfb6c37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bdc931f6cfdaa6617b158c2ab6be71636f7c369de6435262f48465a4cfb6c37", kill_on_drop: false }`
[INFO] [stdout] 2bdc931f6cfdaa6617b158c2ab6be71636f7c369de6435262f48465a4cfb6c37
[INFO] checking abrassel/ibm-quantum against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabrassel%2Fibm-quantum" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/abrassel/ibm-quantum 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 git repo https://github.com/abrassel/ibm-quantum
[INFO] finished tweaking git repo https://github.com/abrassel/ibm-quantum
[INFO] tweaked toml for git repo https://github.com/abrassel/ibm-quantum written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/abrassel/ibm-quantum 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] ec4d2875c6ae95ab9de5f451cd46b175b9e2ad8c1d468f016e2821495f56b663
[INFO] running `Command { std: "docker" "start" "-a" "ec4d2875c6ae95ab9de5f451cd46b175b9e2ad8c1d468f016e2821495f56b663", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec4d2875c6ae95ab9de5f451cd46b175b9e2ad8c1d468f016e2821495f56b663", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec4d2875c6ae95ab9de5f451cd46b175b9e2ad8c1d468f016e2821495f56b663", kill_on_drop: false }`
[INFO] [stdout] ec4d2875c6ae95ab9de5f451cd46b175b9e2ad8c1d468f016e2821495f56b663
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 2d85a47e243b7403bca9913f5d729b2696087e9148a369378e420d1b100f0864
[INFO] running `Command { std: "docker" "start" "-a" "2d85a47e243b7403bca9913f5d729b2696087e9148a369378e420d1b100f0864", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]    Compiling openssl-sys v0.9.74
[INFO] [stderr]     Checking hashbrown v0.12.1
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]    Compiling openssl v0.10.40
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]    Compiling httparse v1.7.1
[INFO] [stderr]     Checking futures-util v0.3.21
[INFO] [stderr]     Checking unicode-normalization v0.1.20
[INFO] [stderr]    Compiling crossbeam-utils v0.8.10
[INFO] [stderr]     Checking os_str_bytes v6.1.0
[INFO] [stderr]    Compiling anyhow v1.0.58
[INFO] [stderr]     Checking tracing-core v0.1.28
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking clap_lex v0.2.3
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking tracing v0.1.35
[INFO] [stderr]     Checking tokio v1.19.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.5
[INFO] [stderr]     Checking pretty_assertions v1.2.1
[INFO] [stderr]     Checking indexmap v1.9.1
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking tokio-util v0.7.3
[INFO] [stderr]     Checking h2 v0.3.13
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]    Compiling clap_derive v3.2.6
[INFO] [stderr]     Checking clap v3.2.6
[INFO] [stderr]     Checking hyper v0.14.19
[INFO] [stderr]     Checking serde v1.0.137
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking serde_json v1.0.81
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking reqwest v0.11.11
[INFO] [stderr]     Checking assert-json-diff v2.0.1
[INFO] [stderr]     Checking ibm-quantum v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.40s
[INFO] running `Command { std: "docker" "inspect" "2d85a47e243b7403bca9913f5d729b2696087e9148a369378e420d1b100f0864", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d85a47e243b7403bca9913f5d729b2696087e9148a369378e420d1b100f0864", kill_on_drop: false }`
[INFO] [stdout] 2d85a47e243b7403bca9913f5d729b2696087e9148a369378e420d1b100f0864