[INFO] fetching crate pow 0.2.0...
[INFO] testing pow-0.2.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate pow 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate pow 0.2.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", 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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 0ff766b825a740fad31924b0ccee8b96ce96af478da97a09296b98b4f6b3f929
[INFO] running `Command { std: "docker" "start" "-a" "0ff766b825a740fad31924b0ccee8b96ce96af478da97a09296b98b4f6b3f929", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ff766b825a740fad31924b0ccee8b96ce96af478da97a09296b98b4f6b3f929", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ff766b825a740fad31924b0ccee8b96ce96af478da97a09296b98b4f6b3f929", kill_on_drop: false }`
[INFO] [stdout] 0ff766b825a740fad31924b0ccee8b96ce96af478da97a09296b98b4f6b3f929
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 446a52a50810b5ed36a57db27ab232ee7133ea905ac2f9605e99cfc661afb435
[INFO] running `Command { std: "docker" "start" "-a" "446a52a50810b5ed36a57db27ab232ee7133ea905ac2f9605e99cfc661afb435", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling syn v1.0.37
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling bincode v1.3.1
[INFO] [stderr]    Compiling pow v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'bincode::Config': please use the `DefaultOptions`/`Options` system instead
[INFO] [stdout]   --> src/proof_of_work.rs:79:21
[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 item 'bincode::config': please use `options()` instead
[INFO] [stdout]   --> src/proof_of_work.rs:80:19
[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 33.98s
[INFO] running `Command { std: "docker" "inspect" "446a52a50810b5ed36a57db27ab232ee7133ea905ac2f9605e99cfc661afb435", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "446a52a50810b5ed36a57db27ab232ee7133ea905ac2f9605e99cfc661afb435", kill_on_drop: false }`
[INFO] [stdout] 446a52a50810b5ed36a57db27ab232ee7133ea905ac2f9605e99cfc661afb435
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 298365b7bae00361d51685d61889be99c115a7232b0eefe3a40d2d9f78b5b6c5
[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" "298365b7bae00361d51685d61889be99c115a7232b0eefe3a40d2d9f78b5b6c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stdout] warning: use of deprecated item 'bincode::Config': please use the `DefaultOptions`/`Options` system instead
[INFO] [stdout]   --> src/proof_of_work.rs:79:21
[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 item 'bincode::config': please use `options()` instead
[INFO] [stdout]   --> src/proof_of_work.rs:80:19
[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]    Compiling pow v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'bincode::Config': please use the `DefaultOptions`/`Options` system instead
[INFO] [stdout]   --> src/proof_of_work.rs:79:21
[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 item 'bincode::config': please use `options()` instead
[INFO] [stdout]   --> src/proof_of_work.rs:80:19
[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 test [unoptimized + debuginfo] target(s) in 6.81s
[INFO] running `Command { std: "docker" "inspect" "298365b7bae00361d51685d61889be99c115a7232b0eefe3a40d2d9f78b5b6c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "298365b7bae00361d51685d61889be99c115a7232b0eefe3a40d2d9f78b5b6c5", kill_on_drop: false }`
[INFO] [stdout] 298365b7bae00361d51685d61889be99c115a7232b0eefe3a40d2d9f78b5b6c5
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 521dc5230ca4289202fe4a2250f4b55d6f0de0cdd56309861cb03d690f4c0985
[INFO] running `Command { std: "docker" "start" "-a" "521dc5230ca4289202fe4a2250f4b55d6f0de0cdd56309861cb03d690f4c0985", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated item 'bincode::Config': please use the `DefaultOptions`/`Options` system instead
[INFO] [stderr]   --> src/proof_of_work.rs:79:21
[INFO] [stderr]    |
[INFO] [stderr] 79 | fn bincode_cfg() -> bincode::Config {
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'bincode::config': please use `options()` instead
[INFO] [stderr]   --> src/proof_of_work.rs:80:19
[INFO] [stderr]    |
[INFO] [stderr] 80 |     let mut cfg = bincode::config();
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'bincode::Config': please use the `DefaultOptions`/`Options` system instead
[INFO] [stderr]   --> src/proof_of_work.rs:79:21
[INFO] [stderr]    |
[INFO] [stderr] 79 | fn bincode_cfg() -> bincode::Config {
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'bincode::config': please use `options()` instead
[INFO] [stderr]   --> src/proof_of_work.rs:80:19
[INFO] [stderr]    |
[INFO] [stderr] 80 |     let mut cfg = bincode::config();
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/pow-130c524d320f9099
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test proof_of_work::test::ser_de_no_spook ... ok
[INFO] [stdout] test proof_of_work::test::ser_de ... ok
[INFO] [stdout] test proof_of_work::test::base_functionality ... ok
[INFO] [stdout] test proof_of_work::test::double_pow ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pow
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - (line 100) ... ok
[INFO] [stdout] test src/lib.rs - (line 89) ... ok
[INFO] [stdout] test src/lib.rs - (line 39) ... ok
[INFO] [stdout] test src/lib.rs - (line 59) ... ok
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] test src/lib.rs - (line 22) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "521dc5230ca4289202fe4a2250f4b55d6f0de0cdd56309861cb03d690f4c0985", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "521dc5230ca4289202fe4a2250f4b55d6f0de0cdd56309861cb03d690f4c0985", kill_on_drop: false }`
[INFO] [stdout] 521dc5230ca4289202fe4a2250f4b55d6f0de0cdd56309861cb03d690f4c0985