[INFO] fetching crate bigs 0.3.0...
[INFO] testing bigs-0.3.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate bigs 0.3.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate bigs 0.3.0
[INFO] finished tweaking crates.io crate bigs 0.3.0
[INFO] tweaked toml for crates.io crate bigs 0.3.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate bigs 0.3.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 24 packages to latest compatible versions
[INFO] [stderr]       Adding indexmap v1.9.3 (available: v2.11.4)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa13a716f1a1bd08e6f1f3165376f824f9019ce8f627c74086e26a9fb7845844
[INFO] running `Command { std: "docker" "start" "-a" "aa13a716f1a1bd08e6f1f3165376f824f9019ce8f627c74086e26a9fb7845844", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa13a716f1a1bd08e6f1f3165376f824f9019ce8f627c74086e26a9fb7845844", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa13a716f1a1bd08e6f1f3165376f824f9019ce8f627c74086e26a9fb7845844", kill_on_drop: false }`
[INFO] [stdout] aa13a716f1a1bd08e6f1f3165376f824f9019ce8f627c74086e26a9fb7845844
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b82e0f79e415313ee89f01e7474bc6ace2e509e1049c7f6681aec3c7be54887
[INFO] running `Command { std: "docker" "start" "-a" "3b82e0f79e415313ee89f01e7474bc6ace2e509e1049c7f6681aec3c7be54887", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling bigs v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/graph.rs:281:22
[INFO] [stdout]     |
[INFO] [stdout] 281 |     pub fn variables(&self) -> Nodes {
[INFO] [stdout]     |                      ^^^^^     ----- the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 281 |     pub fn variables(&self) -> Nodes<'_> {
[INFO] [stdout]     |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/graph.rs:319:24
[INFO] [stdout]     |
[INFO] [stdout] 319 |     pub fn constraints(&self) -> Nodes {
[INFO] [stdout]     |                        ^^^^^     ----- the same lifetime is hidden here
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 319 |     pub fn constraints(&self) -> Nodes<'_> {
[INFO] [stdout]     |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.29s
[INFO] running `Command { std: "docker" "inspect" "3b82e0f79e415313ee89f01e7474bc6ace2e509e1049c7f6681aec3c7be54887", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b82e0f79e415313ee89f01e7474bc6ace2e509e1049c7f6681aec3c7be54887", kill_on_drop: false }`
[INFO] [stdout] 3b82e0f79e415313ee89f01e7474bc6ace2e509e1049c7f6681aec3c7be54887
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9952f10394034bedb825c92628f3173f6532e9840579eda00b1da62bf3590179
[INFO] running `Command { std: "docker" "start" "-a" "9952f10394034bedb825c92628f3173f6532e9840579eda00b1da62bf3590179", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling bigs v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/graph.rs:281:22
[INFO] [stdout]     |
[INFO] [stdout] 281 |     pub fn variables(&self) -> Nodes {
[INFO] [stdout]     |                      ^^^^^     ----- the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 281 |     pub fn variables(&self) -> Nodes<'_> {
[INFO] [stdout]     |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/graph.rs:319:24
[INFO] [stdout]     |
[INFO] [stdout] 319 |     pub fn constraints(&self) -> Nodes {
[INFO] [stdout]     |                        ^^^^^     ----- the same lifetime is hidden here
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 319 |     pub fn constraints(&self) -> Nodes<'_> {
[INFO] [stdout]     |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/graph.rs:281:22
[INFO] [stdout]     |
[INFO] [stdout] 281 |     pub fn variables(&self) -> Nodes {
[INFO] [stdout]     |                      ^^^^^     ----- the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 281 |     pub fn variables(&self) -> Nodes<'_> {
[INFO] [stdout]     |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/graph.rs:319:24
[INFO] [stdout]     |
[INFO] [stdout] 319 |     pub fn constraints(&self) -> Nodes {
[INFO] [stdout]     |                        ^^^^^     ----- the same lifetime is hidden here
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 319 |     pub fn constraints(&self) -> Nodes<'_> {
[INFO] [stdout]     |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.04s
[INFO] running `Command { std: "docker" "inspect" "9952f10394034bedb825c92628f3173f6532e9840579eda00b1da62bf3590179", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9952f10394034bedb825c92628f3173f6532e9840579eda00b1da62bf3590179", kill_on_drop: false }`
[INFO] [stdout] 9952f10394034bedb825c92628f3173f6532e9840579eda00b1da62bf3590179
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6c0a0b6e86aaa543a5d92bb37c213bbaca61c1325f78ebd33b92ac2d20a603ca
[INFO] running `Command { std: "docker" "start" "-a" "6c0a0b6e86aaa543a5d92bb37c213bbaca61c1325f78ebd33b92ac2d20a603ca", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/graph.rs:281:22
[INFO] [stderr]     |
[INFO] [stderr] 281 |     pub fn variables(&self) -> Nodes {
[INFO] [stderr]     |                      ^^^^^     ----- the same lifetime is hidden here
[INFO] [stderr]     |                      |
[INFO] [stderr]     |                      the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 281 |     pub fn variables(&self) -> Nodes<'_> {
[INFO] [stderr]     |                                     ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/graph.rs:319:24
[INFO] [stderr]     |
[INFO] [stderr] 319 |     pub fn constraints(&self) -> Nodes {
[INFO] [stderr]     |                        ^^^^^     ----- the same lifetime is hidden here
[INFO] [stderr]     |                        |
[INFO] [stderr]     |                        the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 319 |     pub fn constraints(&self) -> Nodes<'_> {
[INFO] [stderr]     |                                       ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `bigs` (lib) generated 2 warnings
[INFO] [stderr] warning: `bigs` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/bigs-5ab90b0beaf89269)
[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] [stderr]      Running tests/main.rs (/opt/rustwide/target/debug/deps/main-c12986e83635a017)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test error_if_parameters_do_not_fit ... ok
[INFO] [stdout] test graphs_have_the_right_parameters ... ok
[INFO] [stderr]    Doc-tests bigs
[INFO] [stdout] test sampling_is_reproducable ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test src/graph.rs - graph::Graph (line 73) ... ok
[INFO] [stdout] test src/graph.rs - graph::Graph::complete_graph (line 103) ... ok
[INFO] [stdout] test src/sampler.rs - sampler::Sampler (line 57) ... ok
[INFO] [stdout] test src/graph.rs - graph::Graph (line 41) ... ok
[INFO] [stdout] test src/sampler.rs - sampler::Sampler (line 74) ... ok
[INFO] [stdout] test src/graph.rs - graph::Graph::remove_edge (line 200) ... ok
[INFO] [stdout] test src/graph.rs - graph::Graph::variables (line 256) ... ok
[INFO] [stdout] test src/lib.rs - (line 15) ... ok
[INFO] [stdout] test src/graph.rs - graph::Graph::constraints (line 292) ... ok
[INFO] [stdout] test src/graph.rs - graph::Graph::insert_edge (line 142) ... ok
[INFO] [stdout] test src/sampler.rs - sampler::Sampler (line 29) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.41s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6c0a0b6e86aaa543a5d92bb37c213bbaca61c1325f78ebd33b92ac2d20a603ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c0a0b6e86aaa543a5d92bb37c213bbaca61c1325f78ebd33b92ac2d20a603ca", kill_on_drop: false }`
[INFO] [stdout] 6c0a0b6e86aaa543a5d92bb37c213bbaca61c1325f78ebd33b92ac2d20a603ca