[INFO] cloning repository https://github.com/dmqweb/rust-learn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dmqweb/rust-learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmqweb%2Frust-learn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmqweb%2Frust-learn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f9af8d191d3f3905b43ab0c60d1d60cbd04eb1bf
[INFO] testing dmqweb/rust-learn against try#a7ce54db9b096bd1098d07c645b489195a667c9f for pr-137940
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmqweb%2Frust-learn" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dmqweb/rust-learn on toolchain a7ce54db9b096bd1098d07c645b489195a667c9f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dmqweb/rust-learn
[INFO] finished tweaking git repo https://github.com/dmqweb/rust-learn
[INFO] tweaked toml for git repo https://github.com/dmqweb/rust-learn written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/dmqweb/rust-learn 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" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1f8bd5eeb526c8b0311b0ab816e5ecaa4add87fa9674e2ea56eb34087a59c31
[INFO] running `Command { std: "docker" "start" "-a" "a1f8bd5eeb526c8b0311b0ab816e5ecaa4add87fa9674e2ea56eb34087a59c31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1f8bd5eeb526c8b0311b0ab816e5ecaa4add87fa9674e2ea56eb34087a59c31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1f8bd5eeb526c8b0311b0ab816e5ecaa4add87fa9674e2ea56eb34087a59c31", kill_on_drop: false }`
[INFO] [stdout] a1f8bd5eeb526c8b0311b0ab816e5ecaa4add87fa9674e2ea56eb34087a59c31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe020e5513abf35069f7935821b3d554911c9e81806e48ee09fbf9cf303aa25f
[INFO] running `Command { std: "docker" "start" "-a" "fe020e5513abf35069f7935821b3d554911c9e81806e48ee09fbf9cf303aa25f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]    Compiling pin-project-lite v0.2.14
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling bytes v1.7.1
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling openssl v0.10.66
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling cc v1.1.19
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling httparse v1.9.4
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling native-tls v0.2.12
[INFO] [stderr]    Compiling tinyvec v1.8.0
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling try-lock v0.2.5
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling want v0.3.1
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling httpdate v1.0.3
[INFO] [stderr]    Compiling tower-service v0.3.3
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling unicode-bidi v0.3.15
[INFO] [stderr]    Compiling base64 v0.21.7
[INFO] [stderr]    Compiling mio v1.0.2
[INFO] [stderr]    Compiling socket2 v0.5.7
[INFO] [stderr]    Compiling indexmap v2.5.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling encoding_rs v0.8.34
[INFO] [stderr]    Compiling mime v0.3.17
[INFO] [stderr]    Compiling unicode-normalization v0.1.23
[INFO] [stderr]    Compiling rustls-pemfile v1.0.4
[INFO] [stderr]    Compiling ipnet v2.10.0
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling sync_wrapper v0.1.2
[INFO] [stderr]    Compiling tokio v1.40.0
[INFO] [stderr]    Compiling http-body v0.4.6
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling openssl-sys v0.9.103
[INFO] [stderr]    Compiling url v2.5.2
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling tokio-util v0.7.12
[INFO] [stderr]    Compiling h2 v0.3.26
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling hyper v0.14.30
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.27
[INFO] [stderr]    Compiling rust-learn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.92s
[INFO] running `Command { std: "docker" "inspect" "fe020e5513abf35069f7935821b3d554911c9e81806e48ee09fbf9cf303aa25f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe020e5513abf35069f7935821b3d554911c9e81806e48ee09fbf9cf303aa25f", kill_on_drop: false }`
[INFO] [stdout] fe020e5513abf35069f7935821b3d554911c9e81806e48ee09fbf9cf303aa25f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4950535d869f09371ce2ebfdcc0d7bdaae31915956bf620a8d1c7a4d270f94a
[INFO] running `Command { std: "docker" "start" "-a" "f4950535d869f09371ce2ebfdcc0d7bdaae31915956bf620a8d1c7a4d270f94a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-learn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "f4950535d869f09371ce2ebfdcc0d7bdaae31915956bf620a8d1c7a4d270f94a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4950535d869f09371ce2ebfdcc0d7bdaae31915956bf620a8d1c7a4d270f94a", kill_on_drop: false }`
[INFO] [stdout] f4950535d869f09371ce2ebfdcc0d7bdaae31915956bf620a8d1c7a4d270f94a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a8d9c6817347b6951d02e2a0f314af558ab8b013784bddf8d1cdadc28bfed3c6
[INFO] running `Command { std: "docker" "start" "-a" "a8d9c6817347b6951d02e2a0f314af558ab8b013784bddf8d1cdadc28bfed3c6", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_learn-808f092ab024140c)
[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" "a8d9c6817347b6951d02e2a0f314af558ab8b013784bddf8d1cdadc28bfed3c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8d9c6817347b6951d02e2a0f314af558ab8b013784bddf8d1cdadc28bfed3c6", kill_on_drop: false }`
[INFO] [stdout] a8d9c6817347b6951d02e2a0f314af558ab8b013784bddf8d1cdadc28bfed3c6