[INFO] fetching crate s3graph 0.0.2...
[INFO] testing s3graph-0.0.2 against 1.91.0 for beta-1.92-2
[INFO] extracting crate s3graph 0.0.2 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate s3graph 0.0.2
[INFO] finished tweaking crates.io crate s3graph 0.0.2
[INFO] tweaked toml for crates.io crate s3graph 0.0.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate s3graph 0.0.2 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 65f2c4397e4e69474c6f4cf076cb59e49342e539630be1623042f0a06bdf5b84
[INFO] running `Command { std: "docker" "start" "-a" "65f2c4397e4e69474c6f4cf076cb59e49342e539630be1623042f0a06bdf5b84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65f2c4397e4e69474c6f4cf076cb59e49342e539630be1623042f0a06bdf5b84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65f2c4397e4e69474c6f4cf076cb59e49342e539630be1623042f0a06bdf5b84", kill_on_drop: false }`
[INFO] [stdout] 65f2c4397e4e69474c6f4cf076cb59e49342e539630be1623042f0a06bdf5b84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d104e9e42e442b48183417c4240a773f268fb0699555c882e05c20ccab4bea3c
[INFO] running `Command { std: "docker" "start" "-a" "d104e9e42e442b48183417c4240a773f268fb0699555c882e05c20ccab4bea3c", kill_on_drop: false }`
[INFO] [stderr]    Compiling s3graph v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `source`, `target`, and `label` are never read
[INFO] [stdout]  --> src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Edge<V,L> {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 6 |     source: V,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 7 |     target: V,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 8 |     label: L
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Edge` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "d104e9e42e442b48183417c4240a773f268fb0699555c882e05c20ccab4bea3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d104e9e42e442b48183417c4240a773f268fb0699555c882e05c20ccab4bea3c", kill_on_drop: false }`
[INFO] [stdout] d104e9e42e442b48183417c4240a773f268fb0699555c882e05c20ccab4bea3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1c59946bbede288f9604f0c81affd3ebebf44e747f8a6b007f1002357d1c61c
[INFO] running `Command { std: "docker" "start" "-a" "a1c59946bbede288f9604f0c81affd3ebebf44e747f8a6b007f1002357d1c61c", kill_on_drop: false }`
[INFO] [stderr]    Compiling s3graph v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `source`, `target`, and `label` are never read
[INFO] [stdout]  --> src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Edge<V,L> {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 6 |     source: V,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 7 |     target: V,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 8 |     label: L
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Edge` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `source`, `target`, and `label` are never read
[INFO] [stdout]  --> src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Edge<V,L> {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 6 |     source: V,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 7 |     target: V,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 8 |     label: L
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Edge` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "a1c59946bbede288f9604f0c81affd3ebebf44e747f8a6b007f1002357d1c61c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1c59946bbede288f9604f0c81affd3ebebf44e747f8a6b007f1002357d1c61c", kill_on_drop: false }`
[INFO] [stdout] a1c59946bbede288f9604f0c81affd3ebebf44e747f8a6b007f1002357d1c61c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8054fc2c9c96ec3c0e5057cc3897ac887a9f005c1b3e5fc4a391762c6429dbed
[INFO] running `Command { std: "docker" "start" "-a" "8054fc2c9c96ec3c0e5057cc3897ac887a9f005c1b3e5fc4a391762c6429dbed", kill_on_drop: false }`
[INFO] [stderr] warning: fields `source`, `target`, and `label` are never read
[INFO] [stderr]  --> src/lib.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct Edge<V,L> {
[INFO] [stderr]   |            ---- fields in this struct
[INFO] [stderr] 6 |     source: V,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 7 |     target: V,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 8 |     label: L
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Edge` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `s3graph` (lib) generated 1 warning
[INFO] [stderr] warning: `s3graph` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/s3graph-cb6e8af4d09c2fac)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::degrees ... ok
[INFO] [stdout] test tests::nodes ... ok
[INFO] [stdout] test tests::node_added_more_than_once - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests s3graph
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8054fc2c9c96ec3c0e5057cc3897ac887a9f005c1b3e5fc4a391762c6429dbed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8054fc2c9c96ec3c0e5057cc3897ac887a9f005c1b3e5fc4a391762c6429dbed", kill_on_drop: false }`
[INFO] [stdout] 8054fc2c9c96ec3c0e5057cc3897ac887a9f005c1b3e5fc4a391762c6429dbed