[INFO] cloning repository https://github.com/robo9k/imgflip.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/robo9k/imgflip.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobo9k%2Fimgflip.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobo9k%2Fimgflip.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a271e189d4025adfa8c2ba937b2d1dafcbf7ca9b
[INFO] testing robo9k/imgflip.rs against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobo9k%2Fimgflip.rs" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/robo9k/imgflip.rs on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/robo9k/imgflip.rs
[INFO] finished tweaking git repo https://github.com/robo9k/imgflip.rs
[INFO] tweaked toml for git repo https://github.com/robo9k/imgflip.rs written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/robo9k/imgflip.rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", 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] d26f0610e5ac81398f5de190658feaa58059e2d2b9df84dde3a6a4d5a47fedf0
[INFO] running `Command { std: "docker" "start" "-a" "d26f0610e5ac81398f5de190658feaa58059e2d2b9df84dde3a6a4d5a47fedf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d26f0610e5ac81398f5de190658feaa58059e2d2b9df84dde3a6a4d5a47fedf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d26f0610e5ac81398f5de190658feaa58059e2d2b9df84dde3a6a4d5a47fedf0", kill_on_drop: false }`
[INFO] [stdout] d26f0610e5ac81398f5de190658feaa58059e2d2b9df84dde3a6a4d5a47fedf0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--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] 19bd5e0b3d1d58ad90df7bbf334598dc733cb4db3334b826bf9550cde974bf5e
[INFO] running `Command { std: "docker" "start" "-a" "19bd5e0b3d1d58ad90df7bbf334598dc733cb4db3334b826bf9550cde974bf5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling futures-core v0.3.4
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]    Compiling bytes v0.5.4
[INFO] [stderr]    Compiling futures-sink v0.3.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]    Compiling pin-project-lite v0.1.4
[INFO] [stderr]    Compiling openssl v0.10.28
[INFO] [stderr]    Compiling encoding_rs v0.8.22
[INFO] [stderr]    Compiling dtoa v0.4.5
[INFO] [stderr]    Compiling data-encoding v2.2.0
[INFO] [stderr]    Compiling openssl-sys v0.9.54
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.12
[INFO] [stderr]    Compiling futures-channel v0.3.4
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling http v0.2.0
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling backtrace-sys v0.1.34
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling backtrace v0.3.45
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.14
[INFO] [stderr]    Compiling tokio v0.2.13
[INFO] [stderr]    Compiling thiserror v1.0.14
[INFO] [stderr]    Compiling futures-util v0.3.4
[INFO] [stderr]    Compiling pin-project v0.4.8
[INFO] [stderr]    Compiling tokio-util v0.2.0
[INFO] [stderr]    Compiling tokio-tls v0.3.0
[INFO] [stderr]    Compiling h2 v0.2.2
[INFO] [stderr]    Compiling futures-executor v0.3.4
[INFO] [stderr]    Compiling futures v0.3.4
[INFO] [stderr]    Compiling hyper v0.13.4
[INFO] [stderr]    Compiling hyper-tls v0.4.1
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling serde_json v1.0.48
[INFO] [stderr]    Compiling serde_qs v0.5.2
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling reqwest v0.10.4
[INFO] [stderr]    Compiling imgflip v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `success`
[INFO] [stdout]   --> src/lib.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |         success: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Response` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/lib.rs:57:10
[INFO] [stdout]    |
[INFO] [stdout] 57 | #[derive(Debug, Deserialize)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `success`
[INFO] [stdout]   --> src/lib.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |         success: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Response` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/lib.rs:57:10
[INFO] [stdout]    |
[INFO] [stdout] 57 | #[derive(Debug, Deserialize)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `Command { std: "docker" "inspect" "19bd5e0b3d1d58ad90df7bbf334598dc733cb4db3334b826bf9550cde974bf5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19bd5e0b3d1d58ad90df7bbf334598dc733cb4db3334b826bf9550cde974bf5e", kill_on_drop: false }`
[INFO] [stdout] 19bd5e0b3d1d58ad90df7bbf334598dc733cb4db3334b826bf9550cde974bf5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--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] 99f9d254ab92e27e6d5641ef31c2135e431aea8114d53d997ba8545e3d834151
[INFO] running `Command { std: "docker" "start" "-a" "99f9d254ab92e27e6d5641ef31c2135e431aea8114d53d997ba8545e3d834151", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling imgflip v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `success`
[INFO] [stdout]   --> src/lib.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |         success: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Response` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/lib.rs:57:10
[INFO] [stdout]    |
[INFO] [stdout] 57 | #[derive(Debug, Deserialize)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `success`
[INFO] [stdout]   --> src/lib.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |         success: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Response` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/lib.rs:57:10
[INFO] [stdout]    |
[INFO] [stdout] 57 | #[derive(Debug, Deserialize)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `success`
[INFO] [stdout]   --> src/lib.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |         success: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Response` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/lib.rs:57:10
[INFO] [stdout]    |
[INFO] [stdout] 57 | #[derive(Debug, Deserialize)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `success`
[INFO] [stdout]   --> src/lib.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |         success: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Response` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/lib.rs:57:10
[INFO] [stdout]    |
[INFO] [stdout] 57 | #[derive(Debug, Deserialize)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/imgflip-5b64372d549ee641)
[INFO] running `Command { std: "docker" "inspect" "99f9d254ab92e27e6d5641ef31c2135e431aea8114d53d997ba8545e3d834151", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99f9d254ab92e27e6d5641ef31c2135e431aea8114d53d997ba8545e3d834151", kill_on_drop: false }`
[INFO] [stdout] 99f9d254ab92e27e6d5641ef31c2135e431aea8114d53d997ba8545e3d834151
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", 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] 7566d33e3faf1ea55bbd9fa3efba9351b6cf83375f3e328773572a6e46023f9e
[INFO] running `Command { std: "docker" "start" "-a" "7566d33e3faf1ea55bbd9fa3efba9351b6cf83375f3e328773572a6e46023f9e", 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] [stderr] warning: field is never read: `success`
[INFO] [stderr]   --> src/lib.rs:61:9
[INFO] [stderr]    |
[INFO] [stderr] 61 |         success: bool,
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `Response` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/lib.rs:57:10
[INFO] [stderr]    |
[INFO] [stderr] 57 | #[derive(Debug, Deserialize)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `success`
[INFO] [stderr]   --> src/lib.rs:65:9
[INFO] [stderr]    |
[INFO] [stderr] 65 |         success: bool,
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Response` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/lib.rs:57:10
[INFO] [stderr]    |
[INFO] [stderr] 57 | #[derive(Debug, Deserialize)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `imgflip` (lib) generated 2 warnings
[INFO] [stderr] warning: `imgflip` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 35s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/imgflip-5b64372d549ee641)
[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] [stderr]    Doc-tests imgflip
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - Client (line 250) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.36s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7566d33e3faf1ea55bbd9fa3efba9351b6cf83375f3e328773572a6e46023f9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7566d33e3faf1ea55bbd9fa3efba9351b6cf83375f3e328773572a6e46023f9e", kill_on_drop: false }`
[INFO] [stdout] 7566d33e3faf1ea55bbd9fa3efba9351b6cf83375f3e328773572a6e46023f9e