[INFO] fetching crate pow 0.2.0...
[INFO] checking pow-0.2.0 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] extracting crate pow 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate pow 0.2.0 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pow 0.2.0
[INFO] finished tweaking crates.io crate pow 0.2.0
[INFO] tweaked toml for crates.io crate pow 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 962201a3f5d9c225921660f343588787f768ac83acb014a82be026316666b1e6
[INFO] running `Command { std: "docker" "start" "-a" "962201a3f5d9c225921660f343588787f768ac83acb014a82be026316666b1e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "962201a3f5d9c225921660f343588787f768ac83acb014a82be026316666b1e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "962201a3f5d9c225921660f343588787f768ac83acb014a82be026316666b1e6", kill_on_drop: false }`
[INFO] [stdout] 962201a3f5d9c225921660f343588787f768ac83acb014a82be026316666b1e6
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2233658bcb0c200e513171e02381e9de54fb8f55c2edc1a45e6df6a07ea99637
[INFO] running `Command { std: "docker" "start" "-a" "2233658bcb0c200e513171e02381e9de54fb8f55c2edc1a45e6df6a07ea99637", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling serde_derive v1.0.128
[INFO] [stderr]    Compiling serde v1.0.128
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking pow v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated struct `bincode::Config`: please use the `DefaultOptions`/`Options` system instead
[INFO] [stdout]   --> src/proof_of_work.rs:79:30
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn bincode_cfg() -> bincode::Config {
[INFO] [stdout]    |                              ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `bincode::config`: please use `options()` instead
[INFO] [stdout]   --> src/proof_of_work.rs:80:28
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let mut cfg = bincode::config();
[INFO] [stdout]    |                            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `bincode::Config`: please use the `DefaultOptions`/`Options` system instead
[INFO] [stdout]   --> src/proof_of_work.rs:79:30
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn bincode_cfg() -> bincode::Config {
[INFO] [stdout]    |                              ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `bincode::config`: please use `options()` instead
[INFO] [stdout]   --> src/proof_of_work.rs:80:28
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let mut cfg = bincode::config();
[INFO] [stdout]    |                            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.94s
[INFO] running `Command { std: "docker" "inspect" "2233658bcb0c200e513171e02381e9de54fb8f55c2edc1a45e6df6a07ea99637", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2233658bcb0c200e513171e02381e9de54fb8f55c2edc1a45e6df6a07ea99637", kill_on_drop: false }`
[INFO] [stdout] 2233658bcb0c200e513171e02381e9de54fb8f55c2edc1a45e6df6a07ea99637