[INFO] fetching crate transparentlog_core 0.0.1...
[INFO] checking transparentlog_core-0.0.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate transparentlog_core 0.0.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate transparentlog_core 0.0.1 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate transparentlog_core 0.0.1
[INFO] finished tweaking crates.io crate transparentlog_core 0.0.1
[INFO] tweaked toml for crates.io crate transparentlog_core 0.0.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 51 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding parking_lot v0.11.2 (latest: v0.12.1)
[INFO] [stderr]       Adding parking_lot_core v0.8.6 (latest: v0.9.9)
[INFO] [stderr]       Adding rand v0.3.23 (latest: v0.8.5)
[INFO] [stderr]       Adding rand v0.4.6 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_core v0.3.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] [stderr]       Adding rdrand v0.4.0 (latest: v0.8.3)
[INFO] [stderr]       Adding redox_syscall v0.2.16 (latest: v0.5.1)
[INFO] [stderr]       Adding serial_test v0.5.1 (latest: v3.0.0)
[INFO] [stderr]       Adding serial_test_derive v0.5.1 (latest: v3.0.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding time v0.1.45 (latest: v0.3.34)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serial_test v0.5.1
[INFO] [stderr]   Downloaded serial_test_derive v0.5.1
[INFO] [stderr]   Downloaded maybe-owned v0.3.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2efe610315ab885390a3de02c49bf208b965c54b6e05e4a27082350cd61872d2
[INFO] running `Command { std: "docker" "start" "-a" "2efe610315ab885390a3de02c49bf208b965c54b6e05e4a27082350cd61872d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2efe610315ab885390a3de02c49bf208b965c54b6e05e4a27082350cd61872d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2efe610315ab885390a3de02c49bf208b965c54b6e05e4a27082350cd61872d2", kill_on_drop: false }`
[INFO] [stdout] 2efe610315ab885390a3de02c49bf208b965c54b6e05e4a27082350cd61872d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ff14cd99c6f4d44cb28ddb2bbc00951a905f9c3940b418f521abf54a962c038
[INFO] running `Command { std: "docker" "start" "-a" "6ff14cd99c6f4d44cb28ddb2bbc00951a905f9c3940b418f521abf54a962c038", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking parking_lot_core v0.8.6
[INFO] [stderr]     Checking rmp v0.8.12
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking maybe-owned v0.3.4
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]    Compiling serial_test_derive v0.5.1
[INFO] [stderr]     Checking serial_test v0.5.1
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking rmp-serde v1.1.2
[INFO] [stderr]     Checking transparentlog_core v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `rmp_serde::from_read_ref`: use from_slice
[INFO] [stdout]   --> src/file.rs:78:26
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let r=rmp_serde::from_read_ref(&b3)?;
[INFO] [stdout]    |                          ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rmp_serde::from_read_ref`: use from_slice
[INFO] [stdout]   --> src/file.rs:78:26
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let r=rmp_serde::from_read_ref(&b3)?;
[INFO] [stdout]    |                          ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.09s
[INFO] running `Command { std: "docker" "inspect" "6ff14cd99c6f4d44cb28ddb2bbc00951a905f9c3940b418f521abf54a962c038", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ff14cd99c6f4d44cb28ddb2bbc00951a905f9c3940b418f521abf54a962c038", kill_on_drop: false }`
[INFO] [stdout] 6ff14cd99c6f4d44cb28ddb2bbc00951a905f9c3940b418f521abf54a962c038
[INFO] checking transparentlog_core-0.0.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate transparentlog_core 0.0.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate transparentlog_core 0.0.1 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate transparentlog_core 0.0.1
[INFO] finished tweaking crates.io crate transparentlog_core 0.0.1
[INFO] tweaked toml for crates.io crate transparentlog_core 0.0.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42f8e74196fac17480cb0ec889bc0d8fe29ecb033e7f2e9426ac3b4cfd353a1f
[INFO] running `Command { std: "docker" "start" "-a" "42f8e74196fac17480cb0ec889bc0d8fe29ecb033e7f2e9426ac3b4cfd353a1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42f8e74196fac17480cb0ec889bc0d8fe29ecb033e7f2e9426ac3b4cfd353a1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42f8e74196fac17480cb0ec889bc0d8fe29ecb033e7f2e9426ac3b4cfd353a1f", kill_on_drop: false }`
[INFO] [stdout] 42f8e74196fac17480cb0ec889bc0d8fe29ecb033e7f2e9426ac3b4cfd353a1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87c7494dd725272ede46e7431a274e46514aa63878a59fad410011049147a262
[INFO] running `Command { std: "docker" "start" "-a" "87c7494dd725272ede46e7431a274e46514aa63878a59fad410011049147a262", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking rmp v0.8.12
[INFO] [stderr]     Checking parking_lot_core v0.8.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking maybe-owned v0.3.4
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]    Compiling serial_test_derive v0.5.1
[INFO] [stderr]     Checking serial_test v0.5.1
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking rmp-serde v1.1.2
[INFO] [stderr]     Checking transparentlog_core v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `rmp_serde::from_read_ref`: use from_slice
[INFO] [stdout]   --> src/file.rs:78:26
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let r=rmp_serde::from_read_ref(&b3)?;
[INFO] [stdout]    |                          ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rmp_serde::from_read_ref`: use from_slice
[INFO] [stdout]   --> src/file.rs:78:26
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let r=rmp_serde::from_read_ref(&b3)?;
[INFO] [stdout]    |                          ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.42s
[INFO] running `Command { std: "docker" "inspect" "87c7494dd725272ede46e7431a274e46514aa63878a59fad410011049147a262", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87c7494dd725272ede46e7431a274e46514aa63878a59fad410011049147a262", kill_on_drop: false }`
[INFO] [stdout] 87c7494dd725272ede46e7431a274e46514aa63878a59fad410011049147a262