[INFO] fetching crate stamm 0.2.0... [INFO] testing stamm-0.2.0 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530 [INFO] extracting crate stamm 0.2.0 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate stamm 0.2.0 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate stamm 0.2.0 [INFO] finished tweaking crates.io crate stamm 0.2.0 [INFO] tweaked toml for crates.io crate stamm 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 07e6f43a22c54ce592ff04e20def6b8fc9d706a71f97a4b0fc8a11a1becfe2cc [INFO] running `Command { std: "docker" "start" "-a" "07e6f43a22c54ce592ff04e20def6b8fc9d706a71f97a4b0fc8a11a1becfe2cc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "07e6f43a22c54ce592ff04e20def6b8fc9d706a71f97a4b0fc8a11a1becfe2cc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "07e6f43a22c54ce592ff04e20def6b8fc9d706a71f97a4b0fc8a11a1becfe2cc", kill_on_drop: false }` [INFO] [stdout] 07e6f43a22c54ce592ff04e20def6b8fc9d706a71f97a4b0fc8a11a1becfe2cc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 454705b0afbf8ecddbccc42f69ac525cfef50d3c6e566ae254f3a0e7b48a82c4 [INFO] running `Command { std: "docker" "start" "-a" "454705b0afbf8ecddbccc42f69ac525cfef50d3c6e566ae254f3a0e7b48a82c4", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling rayon v0.8.2 [INFO] [stderr] Compiling rand v0.3.23 [INFO] [stderr] Compiling stamm v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused label [INFO] [stdout] --> src/tree.rs:158:9 [INFO] [stdout] | [INFO] [stdout] 158 | 'l: loop { [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_labels)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.20s [INFO] running `Command { std: "docker" "inspect" "454705b0afbf8ecddbccc42f69ac525cfef50d3c6e566ae254f3a0e7b48a82c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "454705b0afbf8ecddbccc42f69ac525cfef50d3c6e566ae254f3a0e7b48a82c4", kill_on_drop: false }` [INFO] [stdout] 454705b0afbf8ecddbccc42f69ac525cfef50d3c6e566ae254f3a0e7b48a82c4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 32d0ec5969149d700b21167e3419c22608bdda118779814496f56f40a9411cc9 [INFO] running `Command { std: "docker" "start" "-a" "32d0ec5969149d700b21167e3419c22608bdda118779814496f56f40a9411cc9", kill_on_drop: false }` [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Compiling itoa v0.4.7 [INFO] [stdout] warning: unused label [INFO] [stdout] --> src/tree.rs:158:9 [INFO] [stdout] | [INFO] [stdout] 158 | 'l: loop { [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_labels)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling stamm v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> examples/numeric_tree_example.rs:15:23 [INFO] [stdout] | [INFO] [stdout] 15 | let mut f: File = try!(File::create(filename)); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Write` is imported redundantly [INFO] [stdout] --> examples/numeric_tree_example.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 7 | use std::io::{stdin, stdout, Write}; [INFO] [stdout] | ----- the item `Write` is already imported here [INFO] [stdout] ... [INFO] [stdout] 14 | use std::io::Write; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused label [INFO] [stdout] --> src/tree.rs:158:9 [INFO] [stdout] | [INFO] [stdout] 158 | 'l: loop { [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_labels)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 4.74s [INFO] running `Command { std: "docker" "inspect" "32d0ec5969149d700b21167e3419c22608bdda118779814496f56f40a9411cc9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "32d0ec5969149d700b21167e3419c22608bdda118779814496f56f40a9411cc9", kill_on_drop: false }` [INFO] [stdout] 32d0ec5969149d700b21167e3419c22608bdda118779814496f56f40a9411cc9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 2373e529f909e6958d668687d3057083e412d0521840a0877d0d09880ffb9f54 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "2373e529f909e6958d668687d3057083e412d0521840a0877d0d09880ffb9f54", kill_on_drop: false }` [INFO] [stderr] warning: unused label [INFO] [stderr] --> src/tree.rs:158:9 [INFO] [stderr] | [INFO] [stderr] 158 | 'l: loop { [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_labels)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: unused label [INFO] [stderr] --> src/tree.rs:158:9 [INFO] [stderr] | [INFO] [stderr] 158 | 'l: loop { [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_labels)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> examples/numeric_tree_example.rs:15:23 [INFO] [stderr] | [INFO] [stderr] 15 | let mut f: File = try!(File::create(filename)); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the item `Write` is imported redundantly [INFO] [stderr] --> examples/numeric_tree_example.rs:14:9 [INFO] [stderr] | [INFO] [stderr] 7 | use std::io::{stdin, stdout, Write}; [INFO] [stderr] | ----- the item `Write` is already imported here [INFO] [stderr] ... [INFO] [stderr] 14 | use std::io::Write; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/stamm-5bb52669f57dfef3) [INFO] [stdout] [INFO] [stderr] Doc-tests stamm [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] [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" "2373e529f909e6958d668687d3057083e412d0521840a0877d0d09880ffb9f54", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2373e529f909e6958d668687d3057083e412d0521840a0877d0d09880ffb9f54", kill_on_drop: false }` [INFO] [stdout] 2373e529f909e6958d668687d3057083e412d0521840a0877d0d09880ffb9f54