[INFO] cloning repository https://github.com/msuesskraut/bf-interp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/msuesskraut/bf-interp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmsuesskraut%2Fbf-interp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmsuesskraut%2Fbf-interp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fe4613281656d6bb7319dfb7d819fccb5bd64091
[INFO] checking msuesskraut/bf-interp against master#a836d9b6413d9d593be6c09463ff8c4c70e56599 for pr-84037
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmsuesskraut%2Fbf-interp" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/msuesskraut/bf-interp on toolchain a836d9b6413d9d593be6c09463ff8c4c70e56599
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/msuesskraut/bf-interp
[INFO] finished tweaking git repo https://github.com/msuesskraut/bf-interp
[INFO] tweaked toml for git repo https://github.com/msuesskraut/bf-interp written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/msuesskraut/bf-interp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce8ea75617754a5f9a789d3b6ca63e60f1a121804d77314940b0da4f725326b5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ce8ea75617754a5f9a789d3b6ca63e60f1a121804d77314940b0da4f725326b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce8ea75617754a5f9a789d3b6ca63e60f1a121804d77314940b0da4f725326b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce8ea75617754a5f9a789d3b6ca63e60f1a121804d77314940b0da4f725326b5", kill_on_drop: false }`
[INFO] [stdout] ce8ea75617754a5f9a789d3b6ca63e60f1a121804d77314940b0da4f725326b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 94d7e3d21f739a47f69018ee1ec0aa85a4b42f51d414dceae61ce8d1312ee7b2
[INFO] running `Command { std: "docker" "start" "-a" "94d7e3d21f739a47f69018ee1ec0aa85a4b42f51d414dceae61ce8d1312ee7b2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking bf-interp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/interp.rs:13:46
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn interp(program: &Program, input: &mut Read, output: &mut Write) {
[INFO] [stdout]    |                                              ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/interp.rs:13:65
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn interp(program: &Program, input: &mut Read, output: &mut Write) {
[INFO] [stdout]    |                                                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/interp.rs:19:29
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn get_char(input: &mut Read) -> u8 {
[INFO] [stdout]    |                             ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/interp.rs:13:46
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn interp(program: &Program, input: &mut Read, output: &mut Write) {
[INFO] [stdout]    |                                              ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/interp.rs:13:65
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn interp(program: &Program, input: &mut Read, output: &mut Write) {
[INFO] [stdout]    |                                                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/interp.rs:19:29
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn get_char(input: &mut Read) -> u8 {
[INFO] [stdout]    |                             ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "94d7e3d21f739a47f69018ee1ec0aa85a4b42f51d414dceae61ce8d1312ee7b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94d7e3d21f739a47f69018ee1ec0aa85a4b42f51d414dceae61ce8d1312ee7b2", kill_on_drop: false }`
[INFO] [stdout] 94d7e3d21f739a47f69018ee1ec0aa85a4b42f51d414dceae61ce8d1312ee7b2