[INFO] cloning repository https://github.com/passcod/slicism
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/passcod/slicism" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpasscod%2Fslicism", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpasscod%2Fslicism'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6317ff83dac5da7defc454308f3e8d1c54b9f0f8
[INFO] checking passcod/slicism against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpasscod%2Fslicism" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/passcod/slicism on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/passcod/slicism
[INFO] finished tweaking git repo https://github.com/passcod/slicism
[INFO] tweaked toml for git repo https://github.com/passcod/slicism written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/passcod/slicism already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 402d0fb46e095ada77889c54d5bafee5f73922b16f39834217912d1f7de5a50f
[INFO] running `Command { std: "docker" "start" "-a" "402d0fb46e095ada77889c54d5bafee5f73922b16f39834217912d1f7de5a50f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "402d0fb46e095ada77889c54d5bafee5f73922b16f39834217912d1f7de5a50f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "402d0fb46e095ada77889c54d5bafee5f73922b16f39834217912d1f7de5a50f", kill_on_drop: false }`
[INFO] [stdout] 402d0fb46e095ada77889c54d5bafee5f73922b16f39834217912d1f7de5a50f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7bd1eb015ac75a18d5328adc34f9ec61348a8e132de510f81efc957fcaedd96b
[INFO] running `Command { std: "docker" "start" "-a" "7bd1eb015ac75a18d5328adc34f9ec61348a8e132de510f81efc957fcaedd96b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.68
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[INFO] [stderr]    Compiling wasmer-runtime-core v0.16.2 (https://github.com/wasmerio/wasmer#704c3428)
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[INFO] [stderr]    Compiling cranelift-codegen v0.59.0
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]    Compiling proc-macro-hack v0.5.12
[INFO] [stderr]    Compiling thiserror-impl v1.0.11
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[INFO] [stderr]    Compiling num-derive v0.3.0
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[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]     Checking thiserror v1.0.11
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[INFO] [stderr]     Checking async-std v1.5.0
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[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking serde_regex v0.4.0
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking humantime-serde v1.0.0
[INFO] [stderr]     Checking rmp-serde v0.14.3
[INFO] [stderr]     Checking gimli v0.20.0
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking http-service v0.4.0
[INFO] [stderr]     Checking slicism-edit v1.0.0 (/opt/rustwide/workdir/edit)
[INFO] [stderr]     Checking slicism-slice-echo v1.0.0 (/opt/rustwide/workdir/slices/echo)
[INFO] [stdout] warning: function is never used: `read_body`
[INFO] [stdout]   --> slices/echo/src/lib.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn read_body(offset: u32, length: u32) -> i32;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `write_body`
[INFO] [stdout]   --> slices/echo/src/lib.rs:93:5
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn write_body(offset: u32, length: u32) -> i32;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_body`
[INFO] [stdout]   --> slices/echo/src/lib.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn read_body(offset: u32, length: u32) -> i32;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `write_body`
[INFO] [stdout]   --> slices/echo/src/lib.rs:93:5
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn write_body(offset: u32, length: u32) -> i32;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking http-service-hyper v0.4.1
[INFO] [stderr]     Checking tide v0.6.0
[INFO] [stderr]     Checking wasmer-clif-fork-frontend v0.59.0
[INFO] [stderr]     Checking cranelift-native v0.59.0
[INFO] [stderr]     Checking wasmer-clif-fork-wasm v0.59.0
[INFO] [stderr]     Checking wasmer-clif-backend v0.16.2 (https://github.com/wasmerio/wasmer#704c3428)
[INFO] [stderr]     Checking wasmer-runtime v0.16.2 (https://github.com/wasmerio/wasmer#704c3428)
[INFO] [stderr]     Checking slicism-server v1.0.0 (/opt/rustwide/workdir/server)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 36s
[INFO] running `Command { std: "docker" "inspect" "7bd1eb015ac75a18d5328adc34f9ec61348a8e132de510f81efc957fcaedd96b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bd1eb015ac75a18d5328adc34f9ec61348a8e132de510f81efc957fcaedd96b", kill_on_drop: false }`
[INFO] [stdout] 7bd1eb015ac75a18d5328adc34f9ec61348a8e132de510f81efc957fcaedd96b