[INFO] cloning repository https://github.com/axelerator/ruelm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/axelerator/ruelm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faxelerator%2Fruelm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faxelerator%2Fruelm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b4c0b11315d662dfd92d6296210d50ea3fa9e3f4
[INFO] checking axelerator/ruelm against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faxelerator%2Fruelm" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/axelerator/ruelm 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/axelerator/ruelm
[INFO] finished tweaking git repo https://github.com/axelerator/ruelm
[INFO] tweaked toml for git repo https://github.com/axelerator/ruelm written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/axelerator/ruelm 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded elm_rs_derive v0.2.2
[INFO] [stderr]   Downloaded elm_rs v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 51dcb517cdb2c812c21826b8079b24ee4c6e3df03e24b313d8e4423dab5ea419
[INFO] running `Command { std: "docker" "start" "-a" "51dcb517cdb2c812c21826b8079b24ee4c6e3df03e24b313d8e4423dab5ea419", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51dcb517cdb2c812c21826b8079b24ee4c6e3df03e24b313d8e4423dab5ea419", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51dcb517cdb2c812c21826b8079b24ee4c6e3df03e24b313d8e4423dab5ea419", kill_on_drop: false }`
[INFO] [stdout] 51dcb517cdb2c812c21826b8079b24ee4c6e3df03e24b313d8e4423dab5ea419
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 5f76313b115c99b7adea70ffc8386e8a424d741e49bccd4805dceda082de14b8
[INFO] running `Command { std: "docker" "start" "-a" "5f76313b115c99b7adea70ffc8386e8a424d741e49bccd4805dceda082de14b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.72
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking http v1.0.0
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling async-trait v0.1.76
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]    Compiling axum-core v0.4.2
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]    Compiling axum v0.7.3
[INFO] [stderr]     Checking http-range-header v0.4.0
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]     Checking http-body v1.0.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]    Compiling syn v2.0.43
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]    Compiling elm_rs_derive v0.2.2
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]     Checking elm_rs v0.2.2
[INFO] [stderr]     Checking tokio v1.35.1
[INFO] [stderr]     Checking pin-project v1.1.3
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking serde v1.0.193
[INFO] [stderr]     Checking http-body-util v0.1.0
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking tokio-stream v0.1.14
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking h2 v0.4.0
[INFO] [stderr]     Checking tower-http v0.5.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_path_to_error v0.1.14
[INFO] [stderr]     Checking uuid v1.6.1
[INFO] [stderr]     Checking hyper v1.1.0
[INFO] [stderr]     Checking hyper-util v0.1.2
[INFO] [stderr]     Checking ruelm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 30.94s
[INFO] running `Command { std: "docker" "inspect" "5f76313b115c99b7adea70ffc8386e8a424d741e49bccd4805dceda082de14b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f76313b115c99b7adea70ffc8386e8a424d741e49bccd4805dceda082de14b8", kill_on_drop: false }`
[INFO] [stdout] 5f76313b115c99b7adea70ffc8386e8a424d741e49bccd4805dceda082de14b8
[INFO] checking axelerator/ruelm against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faxelerator%2Fruelm" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/axelerator/ruelm 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/axelerator/ruelm
[INFO] finished tweaking git repo https://github.com/axelerator/ruelm
[INFO] tweaked toml for git repo https://github.com/axelerator/ruelm written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/axelerator/ruelm 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 7ff36ccc471aeed4cf6c64d9e44d233028bed1ec14e4dbc10b15398ca02a72ef
[INFO] running `Command { std: "docker" "start" "-a" "7ff36ccc471aeed4cf6c64d9e44d233028bed1ec14e4dbc10b15398ca02a72ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ff36ccc471aeed4cf6c64d9e44d233028bed1ec14e4dbc10b15398ca02a72ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ff36ccc471aeed4cf6c64d9e44d233028bed1ec14e4dbc10b15398ca02a72ef", kill_on_drop: false }`
[INFO] [stdout] 7ff36ccc471aeed4cf6c64d9e44d233028bed1ec14e4dbc10b15398ca02a72ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 1001347f217c1e801eb7db95f32ddfe443371cb19f233a178a92db6ba42ef358
[INFO] running `Command { std: "docker" "start" "-a" "1001347f217c1e801eb7db95f32ddfe443371cb19f233a178a92db6ba42ef358", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.72
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking http v1.0.0
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]    Compiling async-trait v0.1.76
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling axum-core v0.4.2
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]    Compiling axum v0.7.3
[INFO] [stderr]     Checking http-range-header v0.4.0
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]     Checking http-body v1.0.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]    Compiling syn v2.0.43
[INFO] [stderr]    Compiling elm_rs_derive v0.2.2
[INFO] [stderr]     Checking elm_rs v0.2.2
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]     Checking tokio v1.35.1
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking pin-project v1.1.3
[INFO] [stderr]     Checking serde v1.0.193
[INFO] [stderr]     Checking http-body-util v0.1.0
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking tokio-stream v0.1.14
[INFO] [stderr]     Checking h2 v0.4.0
[INFO] [stderr]     Checking tower-http v0.5.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_path_to_error v0.1.14
[INFO] [stderr]     Checking uuid v1.6.1
[INFO] [stderr]     Checking hyper v1.1.0
[INFO] [stderr]     Checking hyper-util v0.1.2
[INFO] [stderr]     Checking ruelm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.09s
[INFO] running `Command { std: "docker" "inspect" "1001347f217c1e801eb7db95f32ddfe443371cb19f233a178a92db6ba42ef358", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1001347f217c1e801eb7db95f32ddfe443371cb19f233a178a92db6ba42ef358", kill_on_drop: false }`
[INFO] [stdout] 1001347f217c1e801eb7db95f32ddfe443371cb19f233a178a92db6ba42ef358