[INFO] fetching crate stamm 0.2.0... [INFO] testing stamm-0.2.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] extracting crate stamm 0.2.0 into /workspace/builds/worker-41/source [INFO] validating manifest of crates.io crate stamm 0.2.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-41/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 80107d4cf1790b5ee18215a2b11b88340500160af2e9bc238b35aa42ddb9a5f3 [INFO] running `Command { std: "docker" "start" "-a" "80107d4cf1790b5ee18215a2b11b88340500160af2e9bc238b35aa42ddb9a5f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "80107d4cf1790b5ee18215a2b11b88340500160af2e9bc238b35aa42ddb9a5f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "80107d4cf1790b5ee18215a2b11b88340500160af2e9bc238b35aa42ddb9a5f3", kill_on_drop: false }` [INFO] [stdout] 80107d4cf1790b5ee18215a2b11b88340500160af2e9bc238b35aa42ddb9a5f3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7d070805c493ad40c820eed0c5b5647ef6bf7cf360c8951bb7ded651c1c70266 [INFO] running `Command { std: "docker" "start" "-a" "7d070805c493ad40c820eed0c5b5647ef6bf7cf360c8951bb7ded651c1c70266", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling syn v1.0.81 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling crossbeam-channel v0.5.1 [INFO] [stderr] Compiling crossbeam-deque v0.8.1 [INFO] [stderr] Compiling rayon v0.8.2 [INFO] [stderr] Compiling serde_derive v1.0.130 [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 12.24s [INFO] running `Command { std: "docker" "inspect" "7d070805c493ad40c820eed0c5b5647ef6bf7cf360c8951bb7ded651c1c70266", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7d070805c493ad40c820eed0c5b5647ef6bf7cf360c8951bb7ded651c1c70266", kill_on_drop: false }` [INFO] [stdout] 7d070805c493ad40c820eed0c5b5647ef6bf7cf360c8951bb7ded651c1c70266 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d582b1c2a88fe6b66b7c5618f447b7542468d0ae36db91adcbaa530c3fee4366 [INFO] running `Command { std: "docker" "start" "-a" "d582b1c2a88fe6b66b7c5618f447b7542468d0ae36db91adcbaa530c3fee4366", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling serde_json v1.0.71 [INFO] [stderr] Compiling itoa v0.4.8 [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: 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: 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: 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 3.85s [INFO] running `Command { std: "docker" "inspect" "d582b1c2a88fe6b66b7c5618f447b7542468d0ae36db91adcbaa530c3fee4366", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d582b1c2a88fe6b66b7c5618f447b7542468d0ae36db91adcbaa530c3fee4366", kill_on_drop: false }` [INFO] [stdout] d582b1c2a88fe6b66b7c5618f447b7542468d0ae36db91adcbaa530c3fee4366 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 95898c0661783ec08352f1b1a918887032ebfe6dde6fdf3ae7a6573c004c86d2 [INFO] running `Command { std: "docker" "start" "-a" "95898c0661783ec08352f1b1a918887032ebfe6dde6fdf3ae7a6573c004c86d2", 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: `stamm` (lib) generated 1 warning [INFO] [stderr] warning: `stamm` (lib test) generated 1 warning (1 duplicate) [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: 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: `stamm` (example "numeric_tree_example") generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.12s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/stamm-2bc3cc8c6ba3b0b5) [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] Doc-tests stamm [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" "95898c0661783ec08352f1b1a918887032ebfe6dde6fdf3ae7a6573c004c86d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "95898c0661783ec08352f1b1a918887032ebfe6dde6fdf3ae7a6573c004c86d2", kill_on_drop: false }` [INFO] [stdout] 95898c0661783ec08352f1b1a918887032ebfe6dde6fdf3ae7a6573c004c86d2