[INFO] fetching crate crates-index-diff 29.0.0...
[INFO] checking crates-index-diff-29.0.0 against try#50f413885985a8b0a0b6ca0766a0aedd45304953 for pr-155657
[INFO] extracting crate crates-index-diff 29.0.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate crates-index-diff 29.0.0
[INFO] finished tweaking crates.io crate crates-index-diff 29.0.0
[INFO] tweaked toml for crates.io crate crates-index-diff 29.0.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate crates-index-diff 29.0.0 on toolchain 50f413885985a8b0a0b6ca0766a0aedd45304953
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate crates-index-diff 29.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 41be4383ee34b88334ca34f060c7bb7680602bfe60a572ee8095fa99f687bf5d
[INFO] running `Command { std: "docker" "start" "-a" "41be4383ee34b88334ca34f060c7bb7680602bfe60a572ee8095fa99f687bf5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41be4383ee34b88334ca34f060c7bb7680602bfe60a572ee8095fa99f687bf5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41be4383ee34b88334ca34f060c7bb7680602bfe60a572ee8095fa99f687bf5d", kill_on_drop: false }`
[INFO] [stdout] 41be4383ee34b88334ca34f060c7bb7680602bfe60a572ee8095fa99f687bf5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bacc22eac46d68e14b0e9d03e2c34259fcbda3a067af840bab60e3fa2d9c1806
[INFO] running `Command { std: "docker" "start" "-a" "bacc22eac46d68e14b0e9d03e2c34259fcbda3a067af840bab60e3fa2d9c1806", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
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[INFO] [stderr]    Compiling cmake v0.1.54
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[INFO] [stderr]    Compiling synstructure v0.13.1
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[INFO] [stderr]    Compiling zerovec-derive v0.10.3
[INFO] [stderr]    Compiling displaydoc v0.2.5
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[INFO] [stderr]     Checking hyper v1.6.0
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking icu_provider v1.5.0
[INFO] [stderr]     Checking icu_locid_transform v1.5.0
[INFO] [stderr]     Checking faster-hex v0.10.0
[INFO] [stderr]     Checking faster-hex v0.9.0
[INFO] [stderr]     Checking toml_datetime v0.6.9
[INFO] [stderr]     Checking serde_spanned v0.6.8
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking smol_str v0.3.2
[INFO] [stderr]     Checking hyper-util v0.1.17
[INFO] [stderr]     Checking gix-hash v0.18.0
[INFO] [stderr]     Checking gix-hash v0.21.1
[INFO] [stderr]     Checking gix-packetline v0.20.0
[INFO] [stderr]     Checking toml_edit v0.22.25
[INFO] [stderr]     Checking icu_properties v1.5.1
[INFO] [stderr]     Checking gix-packetline v0.18.4
[INFO] [stderr]     Checking gix-packetline-blocking v0.18.3
[INFO] [stderr]     Checking gix-hashtable v0.11.0
[INFO] [stderr]     Checking gix-commitgraph v0.31.0
[INFO] [stderr]     Checking gix-shallow v0.7.0
[INFO] [stderr]     Checking gix-hashtable v0.8.1
[INFO] [stderr]     Checking gix-commitgraph v0.28.0
[INFO] [stderr]     Checking gix-object v0.54.0
[INFO] [stderr]     Checking gix-transport v0.52.0
[INFO] [stderr]     Checking gix-object v0.49.1
[INFO] [stdout] error[E0277]: the trait bound `(): std::error::Error` is not satisfied
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/gix-transport-0.52.0/src/client/blocking_io/connect.rs:36:38
[INFO] [stdout]    |
[INFO] [stdout] 36 |                         .map_err(|e| Box::new(e) as Box<dyn std::error::Error + Send + Sync>)?,
[INFO] [stdout]    |                                      ^^^^^^^^^^^ the trait `std::error::Error` is not implemented for `()`
[INFO] [stdout]    |
[INFO] [stdout]    = note: required for the cast from `Box<()>` to `Box<dyn std::error::Error + Send + std::marker::Sync>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gix-transport` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "bacc22eac46d68e14b0e9d03e2c34259fcbda3a067af840bab60e3fa2d9c1806", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bacc22eac46d68e14b0e9d03e2c34259fcbda3a067af840bab60e3fa2d9c1806", kill_on_drop: false }`
[INFO] [stdout] bacc22eac46d68e14b0e9d03e2c34259fcbda3a067af840bab60e3fa2d9c1806
