[INFO] cloning repository https://github.com/pierd/exploring-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pierd/exploring-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpierd%2Fexploring-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpierd%2Fexploring-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b914faaa97ee1b3eb5e1aa14c26fb416cdbfad4f
[INFO] testing pierd/exploring-rust against master#9e136a30a965bf4e63f03095c57df7257bf96fd6 for pr-134530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpierd%2Fexploring-rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pierd/exploring-rust on toolchain 9e136a30a965bf4e63f03095c57df7257bf96fd6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pierd/exploring-rust
[INFO] finished tweaking git repo https://github.com/pierd/exploring-rust
[INFO] tweaked toml for git repo https://github.com/pierd/exploring-rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/pierd/exploring-rust 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" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 622e4f79216fa54ab333c06f4b45fb92f98d0917a1657f44cc5e4db33ca955df
[INFO] running `Command { std: "docker" "start" "-a" "622e4f79216fa54ab333c06f4b45fb92f98d0917a1657f44cc5e4db33ca955df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "622e4f79216fa54ab333c06f4b45fb92f98d0917a1657f44cc5e4db33ca955df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "622e4f79216fa54ab333c06f4b45fb92f98d0917a1657f44cc5e4db33ca955df", kill_on_drop: false }`
[INFO] [stdout] 622e4f79216fa54ab333c06f4b45fb92f98d0917a1657f44cc5e4db33ca955df
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85692dba9d713a147df965562a6ee086823e5338bb9f3fa9c881e16ba90e0f18
[INFO] running `Command { std: "docker" "start" "-a" "85692dba9d713a147df965562a6ee086823e5338bb9f3fa9c881e16ba90e0f18", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling serde v1.0.164
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling gimli v0.27.3
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling serde_json v1.0.99
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling quote v1.0.31
[INFO] [stderr]    Compiling object v0.31.1
[INFO] [stderr]    Compiling tokio v1.29.1
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling syn v2.0.26
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rustc-demangle v0.1.23
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling backtrace v0.3.68
[INFO] [stderr]    Compiling ryu v1.0.15
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling socket2 v0.4.9
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling mio v0.8.8
[INFO] [stderr]    Compiling bytes v1.4.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling mintex v0.1.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling thousands v0.2.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.10
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling addr2line v0.20.0
[INFO] [stderr]    Compiling serde_derive v1.0.164
[INFO] [stderr]    Compiling pin-project-internal v1.1.4
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling pin-project v1.1.4
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling dhat v0.3.3
[INFO] [stderr]    Compiling exploring-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Semigroup` is never used
[INFO] [stdout]  --> src/bin/monoid.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | trait Semigroup {
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Monoid` is never used
[INFO] [stdout]  --> src/bin/monoid.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | trait Monoid: Semigroup {
[INFO] [stdout]   |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Add` is never constructed
[INFO] [stdout]   --> src/bin/monoid.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | struct Add;
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Mul` is never constructed
[INFO] [stdout]   --> src/bin/monoid.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | struct Mul;
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Max` is never constructed
[INFO] [stdout]   --> src/bin/monoid.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | struct Max;
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `VecAppend` is never constructed
[INFO] [stdout]   --> src/bin/monoid.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 | struct VecAppend<T>(std::marker::PhantomData<T>);
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `VecAppend` has a derived impl for the trait `Default`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StringAppend` is never constructed
[INFO] [stdout]   --> src/bin/monoid.rs:90:8
[INFO] [stdout]    |
[INFO] [stdout] 90 | struct StringAppend;
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TraverseFn` is never constructed
[INFO] [stdout]    --> src/bin/monoid.rs:179:8
[INFO] [stdout]     |
[INFO] [stdout] 179 | struct TraverseFn<A, B>(std::marker::PhantomData<(A, B)>);
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ComposeEndomorphism` is never constructed
[INFO] [stdout]    --> src/bin/monoid.rs:205:8
[INFO] [stdout]     |
[INFO] [stdout] 205 | struct ComposeEndomorphism<A>(std::marker::PhantomData<A>);
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Weak`
[INFO] [stdout]  --> src/bin/leaked_weak.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::rc::{Rc, Weak};
[INFO] [stdout]   |                   ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 38.98s
[INFO] running `Command { std: "docker" "inspect" "85692dba9d713a147df965562a6ee086823e5338bb9f3fa9c881e16ba90e0f18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85692dba9d713a147df965562a6ee086823e5338bb9f3fa9c881e16ba90e0f18", kill_on_drop: false }`
[INFO] [stdout] 85692dba9d713a147df965562a6ee086823e5338bb9f3fa9c881e16ba90e0f18
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7659ac06cbebf863de3117dfe3ed3e89f20e38f10efab5067a669c3998966989
[INFO] running `Command { std: "docker" "start" "-a" "7659ac06cbebf863de3117dfe3ed3e89f20e38f10efab5067a669c3998966989", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde v1.0.164
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling regex-syntax v0.7.4
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling futures-sink v0.3.28
[INFO] [stderr]    Compiling rustix v0.38.4
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling plotters-backend v0.3.5
[INFO] [stderr]    Compiling anstyle v1.0.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling bitflags v2.3.3
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling ciborium-io v0.2.1
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling linux-raw-sys v0.4.3
[INFO] [stderr]    Compiling aho-corasick v1.0.2
[INFO] [stderr]    Compiling crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling clap_lex v0.5.0
[INFO] [stderr]    Compiling ciborium-ll v0.2.1
[INFO] [stderr]    Compiling object v0.31.1
[INFO] [stderr]    Compiling clap_builder v4.3.19
[INFO] [stderr]    Compiling plotters-svg v0.3.5
[INFO] [stderr]    Compiling regex-automata v0.3.3
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling log v0.4.19
[INFO] [stderr]    Compiling futures-io v0.3.28
[INFO] [stderr]    Compiling futures v0.3.28
[INFO] [stderr]    Compiling walkdir v2.3.3
[INFO] [stderr]    Compiling clap v4.3.19
[INFO] [stderr]    Compiling plotters v0.3.5
[INFO] [stderr]    Compiling is-terminal v0.4.9
[INFO] [stderr]    Compiling serde_json v1.0.99
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling ciborium v0.2.1
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling backtrace v0.3.68
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling rayon v1.7.0
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling regex v1.9.1
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling deunicode v1.4.3
[INFO] [stderr]    Compiling dhat v0.3.3
[INFO] [stderr]    Compiling fake v2.9.2
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling quickcheck v1.0.3
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling quickcheck_macros v1.0.0
[INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stderr] error: could not compile `criterion` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/9e136a30a965bf4e63f03095c57df7257bf96fd6/bin/rustc --crate-name criterion --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/criterion-0.5.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="async"' --cfg 'feature="async_tokio"' --cfg 'feature="cargo_bench_support"' --cfg 'feature="default"' --cfg 'feature="futures"' --cfg 'feature="plotters"' --cfg 'feature="rayon"' --cfg 'feature="tokio"' --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values("async", "async-std", "async_futures", "async_smol", "async_std", "async_tokio", "cargo_bench_support", "csv", "csv_output", "default", "futures", "html_reports", "plotters", "rayon", "real_blackbox", "smol", "stable", "tokio"))' -C metadata=e938d9894aea6412 -C extra-filename=-78cc431ffa3eab88 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern anes=/opt/rustwide/target/debug/deps/libanes-0ad708ffaa3dac37.rmeta --extern cast=/opt/rustwide/target/debug/deps/libcast-ba532c28431dad26.rmeta --extern ciborium=/opt/rustwide/target/debug/deps/libciborium-3f429a3b7270f2b0.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-924dee898c67e89f.rmeta --extern criterion_plot=/opt/rustwide/target/debug/deps/libcriterion_plot-2475704fbf80502e.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-dc5751b7829275a0.rmeta --extern is_terminal=/opt/rustwide/target/debug/deps/libis_terminal-4e018bce6d0c58ca.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-9488f4544bacbf9b.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-f42fbd3e7595235f.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-778c08b2406fdd3b.rmeta --extern oorandom=/opt/rustwide/target/debug/deps/liboorandom-c13b6335244045e2.rmeta --extern plotters=/opt/rustwide/target/debug/deps/libplotters-af324dba90ae297e.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-d508d519e5b02d4c.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-4b9ee926310d2d2a.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-64619666f83d9767.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-5ec89f30dc11d8b3.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-8f91c371e7b2c5e8.rmeta --extern tinytemplate=/opt/rustwide/target/debug/deps/libtinytemplate-b192304af4f290cf.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-ed544cef061d9944.rmeta --extern walkdir=/opt/rustwide/target/debug/deps/libwalkdir-7e9c20eed79c189d.rmeta --cap-lints allow --cap-lints=forbid` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "7659ac06cbebf863de3117dfe3ed3e89f20e38f10efab5067a669c3998966989", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7659ac06cbebf863de3117dfe3ed3e89f20e38f10efab5067a669c3998966989", kill_on_drop: false }`
[INFO] [stdout] 7659ac06cbebf863de3117dfe3ed3e89f20e38f10efab5067a669c3998966989