[INFO] cloning repository https://github.com/int0x33/r3
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/int0x33/r3" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fint0x33%2Fr3", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fint0x33%2Fr3'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 620008f20bb8f32a1adedda606bbb6d3f9a4cf9d
[INFO] testing int0x33/r3 against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fint0x33%2Fr3" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
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[INFO] validating manifest of git repo https://github.com/int0x33/r3 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/int0x33/r3
[INFO] finished tweaking git repo https://github.com/int0x33/r3
[INFO] tweaked toml for git repo https://github.com/int0x33/r3 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/int0x33/r3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam v0.6.0
[INFO] [stderr]   Downloaded reqwest v0.9.9
[INFO] [stderr]   Downloaded hyper v0.12.24
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.11
[INFO] [stderr]   Downloaded tokio v0.1.15
[INFO] [stderr]   Downloaded tempfile v3.0.6
[INFO] [stderr]   Downloaded encoding_rs v0.8.16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 65a97355e5c4bfac4ce737f83c47ee739d21dcea324f1868dd2e10d80ab67907
[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" "65a97355e5c4bfac4ce737f83c47ee739d21dcea324f1868dd2e10d80ab67907", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65a97355e5c4bfac4ce737f83c47ee739d21dcea324f1868dd2e10d80ab67907", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65a97355e5c4bfac4ce737f83c47ee739d21dcea324f1868dd2e10d80ab67907", kill_on_drop: false }`
[INFO] [stdout] 65a97355e5c4bfac4ce737f83c47ee739d21dcea324f1868dd2e10d80ab67907
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe542f85034da49fcef623dfa02bbd25c16d364ad6f1a024b03c760be0c7048e
[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" "fe542f85034da49fcef623dfa02bbd25c16d364ad6f1a024b03c760be0c7048e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling cc v1.0.29
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling serde v1.0.87
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling openssl v0.10.16
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]    Compiling string v0.1.3
[INFO] [stderr]    Compiling indexmap v1.0.2
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling try-lock v0.2.2
[INFO] [stderr]    Compiling crc32fast v1.1.2
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling encoding_rs v0.8.16
[INFO] [stderr]    Compiling dtoa v0.4.3
[INFO] [stderr]    Compiling adler32 v1.0.3
[INFO] [stderr]    Compiling bit-vec v0.4.4
[INFO] [stderr]    Compiling rand_chacha v0.1.1
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[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling unreachable v0.1.1
[INFO] [stderr]    Compiling owning_ref v0.4.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.3
[INFO] [stderr]    Compiling crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling bit-set v0.4.0
[INFO] [stderr]    Compiling smallvec v0.6.8
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.1
[INFO] [stderr]    Compiling debug_unreachable v0.1.1
[INFO] [stderr]    Compiling want v0.0.6
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling futf v0.1.4
[INFO] [stderr]    Compiling tokio-executor v0.1.6
[INFO] [stderr]    Compiling crossbeam-channel v0.3.8
[INFO] [stderr]    Compiling unicode-normalization v0.1.8
[INFO] [stderr]    Compiling tendril v0.3.1
[INFO] [stderr]    Compiling libflate v0.1.19
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling rand_os v0.1.2
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling termion v1.5.1
[INFO] [stderr]    Compiling openssl-sys v0.9.40
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling tokio-timer v0.2.10
[INFO] [stderr]    Compiling tokio-current-thread v0.1.4
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.1
[INFO] [stderr]    Compiling mime v0.3.13
[INFO] [stderr]    Compiling bytes v0.4.11
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling tokio-io v0.1.11
[INFO] [stderr]    Compiling http v0.1.15
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling error-chain v0.12.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling uuid v0.7.2
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling html5ever v0.18.0
[INFO] [stderr]    Compiling string_cache v0.6.2
[INFO] [stderr]    Compiling markup5ever v0.3.2
[INFO] [stderr]    Compiling crossbeam v0.6.0
[INFO] [stderr]    Compiling tokio-reactor v0.1.8
[INFO] [stderr]    Compiling tokio-threadpool v0.1.11
[INFO] [stderr]    Compiling serde_json v1.0.38
[INFO] [stderr]    Compiling serde_urlencoded v0.5.4
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling h2 v0.1.16
[INFO] [stderr]    Compiling tokio v0.1.15
[INFO] [stderr]    Compiling hyper v0.12.24
[INFO] [stderr]    Compiling select v0.4.2
[INFO] [stderr]    Compiling hyper-tls v0.3.1
[INFO] [stderr]    Compiling reqwest v0.9.9
[INFO] [stderr]    Compiling r3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `get_tcp`
[INFO] [stdout]   --> src/main.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn get_tcp(url: &str) -> Result<(), Error>
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 51s
[INFO] running `Command { std: "docker" "inspect" "fe542f85034da49fcef623dfa02bbd25c16d364ad6f1a024b03c760be0c7048e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe542f85034da49fcef623dfa02bbd25c16d364ad6f1a024b03c760be0c7048e", kill_on_drop: false }`
[INFO] [stdout] fe542f85034da49fcef623dfa02bbd25c16d364ad6f1a024b03c760be0c7048e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20519650f61572f9e3922f054bdc2b6e109ee836e5d4b88235476e02eca5fc72
[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" "20519650f61572f9e3922f054bdc2b6e109ee836e5d4b88235476e02eca5fc72", kill_on_drop: false }`
[INFO] [stderr]    Compiling r3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `get_tcp`
[INFO] [stdout]   --> src/main.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn get_tcp(url: &str) -> Result<(), Error>
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "20519650f61572f9e3922f054bdc2b6e109ee836e5d4b88235476e02eca5fc72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20519650f61572f9e3922f054bdc2b6e109ee836e5d4b88235476e02eca5fc72", kill_on_drop: false }`
[INFO] [stdout] 20519650f61572f9e3922f054bdc2b6e109ee836e5d4b88235476e02eca5fc72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0df642dfa450eade94884c2eb699b67138deb06747e23c3bd60e08d0705cecc7
[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" "0df642dfa450eade94884c2eb699b67138deb06747e23c3bd60e08d0705cecc7", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `get_tcp`
[INFO] [stderr]   --> src/main.rs:32:4
[INFO] [stderr]    |
[INFO] [stderr] 32 | fn get_tcp(url: &str) -> Result<(), Error>
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `r3` (bin "r3" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/r3-c7e2e4fcf4312277)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0df642dfa450eade94884c2eb699b67138deb06747e23c3bd60e08d0705cecc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0df642dfa450eade94884c2eb699b67138deb06747e23c3bd60e08d0705cecc7", kill_on_drop: false }`
[INFO] [stdout] 0df642dfa450eade94884c2eb699b67138deb06747e23c3bd60e08d0705cecc7