[INFO] cloning repository https://github.com/is-it-ayush/ser-not-de
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/is-it-ayush/ser-not-de" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fis-it-ayush%2Fser-not-de", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fis-it-ayush%2Fser-not-de'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4c4555e63066b3714877e09017fc77254ab12fa4
[INFO] checking is-it-ayush/ser-not-de against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fis-it-ayush%2Fser-not-de" "/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/is-it-ayush/ser-not-de on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/is-it-ayush/ser-not-de
[INFO] finished tweaking git repo https://github.com/is-it-ayush/ser-not-de
[INFO] tweaked toml for git repo https://github.com/is-it-ayush/ser-not-de written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/is-it-ayush/ser-not-de 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] [stderr]     Updating rust-fr v1.0.0 (/workspace/builds/worker-4-tc1/source) -> v1.0.1
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24ba806b5d5a3b22de54e77dd9be770041c160bfc9ec3d083b9ec52f4ee1af58
[INFO] running `Command { std: "docker" "start" "-a" "24ba806b5d5a3b22de54e77dd9be770041c160bfc9ec3d083b9ec52f4ee1af58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24ba806b5d5a3b22de54e77dd9be770041c160bfc9ec3d083b9ec52f4ee1af58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24ba806b5d5a3b22de54e77dd9be770041c160bfc9ec3d083b9ec52f4ee1af58", kill_on_drop: false }`
[INFO] [stdout] 24ba806b5d5a3b22de54e77dd9be770041c160bfc9ec3d083b9ec52f4ee1af58
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc7f697d64ef3b915335a58b8b9828839975c52179f79248173bfdb63c17747a
[INFO] running `Command { std: "docker" "start" "-a" "dc7f697d64ef3b915335a58b8b9828839975c52179f79248173bfdb63c17747a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking half v2.3.1
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking rmp v0.8.12
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking rmp-serde v1.1.2
[INFO] [stderr]     Checking rust-fr v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.85s
[INFO] running `Command { std: "docker" "inspect" "dc7f697d64ef3b915335a58b8b9828839975c52179f79248173bfdb63c17747a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc7f697d64ef3b915335a58b8b9828839975c52179f79248173bfdb63c17747a", kill_on_drop: false }`
[INFO] [stdout] dc7f697d64ef3b915335a58b8b9828839975c52179f79248173bfdb63c17747a
[INFO] checking is-it-ayush/ser-not-de against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fis-it-ayush%2Fser-not-de" "/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/is-it-ayush/ser-not-de on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/is-it-ayush/ser-not-de
[INFO] finished tweaking git repo https://github.com/is-it-ayush/ser-not-de
[INFO] tweaked toml for git repo https://github.com/is-it-ayush/ser-not-de written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/is-it-ayush/ser-not-de 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] [stderr]     Updating rust-fr v1.0.0 (/workspace/builds/worker-4-tc2/source) -> v1.0.1
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5bb9846327b7f1b99a254b631b27fd395a959d13631979b41dafc89e4103aae7
[INFO] running `Command { std: "docker" "start" "-a" "5bb9846327b7f1b99a254b631b27fd395a959d13631979b41dafc89e4103aae7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5bb9846327b7f1b99a254b631b27fd395a959d13631979b41dafc89e4103aae7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bb9846327b7f1b99a254b631b27fd395a959d13631979b41dafc89e4103aae7", kill_on_drop: false }`
[INFO] [stdout] 5bb9846327b7f1b99a254b631b27fd395a959d13631979b41dafc89e4103aae7
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26fba256eee6a8d1a1b36dfa04dc5caaf3ec678c9646d3ff541d53b4cf7d75a7
[INFO] running `Command { std: "docker" "start" "-a" "26fba256eee6a8d1a1b36dfa04dc5caaf3ec678c9646d3ff541d53b4cf7d75a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking half v2.3.1
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking rmp v0.8.12
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]     Checking rmp-serde v1.1.2
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking rust-fr v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.39s
[INFO] running `Command { std: "docker" "inspect" "26fba256eee6a8d1a1b36dfa04dc5caaf3ec678c9646d3ff541d53b4cf7d75a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26fba256eee6a8d1a1b36dfa04dc5caaf3ec678c9646d3ff541d53b4cf7d75a7", kill_on_drop: false }`
[INFO] [stdout] 26fba256eee6a8d1a1b36dfa04dc5caaf3ec678c9646d3ff541d53b4cf7d75a7