[INFO] cloning repository https://github.com/pfpacket/rust-9p
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pfpacket/rust-9p" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpfpacket%2Frust-9p", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpfpacket%2Frust-9p'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bf021eb876d5a43b8b26ffd6f3a3e240e1ad6d79
[INFO] checking pfpacket/rust-9p against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpfpacket%2Frust-9p" "/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/pfpacket/rust-9p 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/pfpacket/rust-9p
[INFO] finished tweaking git repo https://github.com/pfpacket/rust-9p
[INFO] tweaked toml for git repo https://github.com/pfpacket/rust-9p written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/pfpacket/rust-9p 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 nix v0.23.0
[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] c545382af6b7f10c816f82c68e5ade26f0717b9c8b1a6d66e3e18744cb976c2e
[INFO] running `Command { std: "docker" "start" "-a" "c545382af6b7f10c816f82c68e5ade26f0717b9c8b1a6d66e3e18744cb976c2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c545382af6b7f10c816f82c68e5ade26f0717b9c8b1a6d66e3e18744cb976c2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c545382af6b7f10c816f82c68e5ade26f0717b9c8b1a6d66e3e18744cb976c2e", kill_on_drop: false }`
[INFO] [stdout] c545382af6b7f10c816f82c68e5ade26f0717b9c8b1a6d66e3e18744cb976c2e
[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] 940ae06f3bfe4cccff79b04d15a12abcbb022b155c2706dd6f6c7b56b6cf98bc
[INFO] running `Command { std: "docker" "start" "-a" "940ae06f3bfe4cccff79b04d15a12abcbb022b155c2706dd6f6c7b56b6cf98bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]    Compiling tokio v1.13.0
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking nix v0.23.0
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling tokio-macros v1.5.1
[INFO] [stderr]     Checking futures-executor v0.3.17
[INFO] [stderr]     Checking futures v0.3.17
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking tokio-stream v0.1.8
[INFO] [stderr]     Checking rust-9p v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.06s
[INFO] running `Command { std: "docker" "inspect" "940ae06f3bfe4cccff79b04d15a12abcbb022b155c2706dd6f6c7b56b6cf98bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "940ae06f3bfe4cccff79b04d15a12abcbb022b155c2706dd6f6c7b56b6cf98bc", kill_on_drop: false }`
[INFO] [stdout] 940ae06f3bfe4cccff79b04d15a12abcbb022b155c2706dd6f6c7b56b6cf98bc
[INFO] checking pfpacket/rust-9p against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpfpacket%2Frust-9p" "/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/pfpacket/rust-9p 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 git repo https://github.com/pfpacket/rust-9p
[INFO] finished tweaking git repo https://github.com/pfpacket/rust-9p
[INFO] tweaked toml for git repo https://github.com/pfpacket/rust-9p written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/pfpacket/rust-9p 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-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09f57ad1cc8dfd634ef07000ad0a160459f5c62282d2d306bc5408b7e1e49284
[INFO] running `Command { std: "docker" "start" "-a" "09f57ad1cc8dfd634ef07000ad0a160459f5c62282d2d306bc5408b7e1e49284", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09f57ad1cc8dfd634ef07000ad0a160459f5c62282d2d306bc5408b7e1e49284", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09f57ad1cc8dfd634ef07000ad0a160459f5c62282d2d306bc5408b7e1e49284", kill_on_drop: false }`
[INFO] [stdout] 09f57ad1cc8dfd634ef07000ad0a160459f5c62282d2d306bc5408b7e1e49284
[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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9fcf09c5d551c7b9f0f738b9bdd77e7d5732ca45efbf5f5d8e5ca5a131ce345
[INFO] running `Command { std: "docker" "start" "-a" "b9fcf09c5d551c7b9f0f738b9bdd77e7d5732ca45efbf5f5d8e5ca5a131ce345", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling tokio v1.13.0
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking nix v0.23.0
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling tokio-macros v1.5.1
[INFO] [stderr]     Checking futures-executor v0.3.17
[INFO] [stderr]     Checking futures v0.3.17
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking tokio-stream v0.1.8
[INFO] [stderr]     Checking rust-9p v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.28s
[INFO] running `Command { std: "docker" "inspect" "b9fcf09c5d551c7b9f0f738b9bdd77e7d5732ca45efbf5f5d8e5ca5a131ce345", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9fcf09c5d551c7b9f0f738b9bdd77e7d5732ca45efbf5f5d8e5ca5a131ce345", kill_on_drop: false }`
[INFO] [stdout] b9fcf09c5d551c7b9f0f738b9bdd77e7d5732ca45efbf5f5d8e5ca5a131ce345