[INFO] fetching crate penguin 0.1.4...
[INFO] checking penguin-0.1.4 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate penguin 0.1.4 into /workspace/builds/worker-67/source
[INFO] validating manifest of crates.io crate penguin 0.1.4 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate penguin 0.1.4
[INFO] finished tweaking crates.io crate penguin 0.1.4
[INFO] tweaked toml for crates.io crate penguin 0.1.4 written to /workspace/builds/worker-67/source/Cargo.toml
[INFO] crate crates.io crate penguin 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] acbb72f5e51f441aebb7466f68532305b2e4fcf06beef17d1b384cf562f66da5
[INFO] running `Command { std: "docker" "start" "-a" "acbb72f5e51f441aebb7466f68532305b2e4fcf06beef17d1b384cf562f66da5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "acbb72f5e51f441aebb7466f68532305b2e4fcf06beef17d1b384cf562f66da5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acbb72f5e51f441aebb7466f68532305b2e4fcf06beef17d1b384cf562f66da5", kill_on_drop: false }`
[INFO] [stdout] acbb72f5e51f441aebb7466f68532305b2e4fcf06beef17d1b384cf562f66da5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de85955cc030e0676e8c674bce0783e35b719818de66d08dc93ac7e02a0bcbee
[INFO] running `Command { std: "docker" "start" "-a" "de85955cc030e0676e8c674bce0783e35b719818de66d08dc93ac7e02a0bcbee", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.77
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling pkg-config v0.3.20
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling openssl v0.10.36
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking unicode-bidi v0.3.6
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking httpdate v1.0.1
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]     Checking alloc-no-stdlib v2.0.3
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling penguin v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking tinyvec v1.5.0
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling tokio v1.12.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking alloc-stdlib v0.2.1
[INFO] [stderr]     Checking http v0.2.5
[INFO] [stderr]     Checking brotli-decompressor v2.3.2
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking tracing v0.1.28
[INFO] [stderr]    Compiling openssl-sys v0.9.67
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking brotli v3.3.2
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking http-body v0.4.3
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]    Compiling tokio-macros v1.4.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking thiserror v1.0.29
[INFO] [stderr]     Checking tungstenite v0.14.0
[INFO] [stderr]     Checking futures-executor v0.3.17
[INFO] [stderr]     Checking futures v0.3.17
[INFO] [stderr]     Checking tokio-util v0.6.8
[INFO] [stderr]     Checking tokio-tungstenite v0.15.0
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.3.6
[INFO] [stderr]     Checking hyper v0.14.13
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking hyper-tungstenite v0.4.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.62s
[INFO] running `Command { std: "docker" "inspect" "de85955cc030e0676e8c674bce0783e35b719818de66d08dc93ac7e02a0bcbee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de85955cc030e0676e8c674bce0783e35b719818de66d08dc93ac7e02a0bcbee", kill_on_drop: false }`
[INFO] [stdout] de85955cc030e0676e8c674bce0783e35b719818de66d08dc93ac7e02a0bcbee