[INFO] fetching crate stamm 0.2.0... [INFO] testing stamm-0.2.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799 [INFO] extracting crate stamm 0.2.0 into /workspace/builds/worker-13/source [INFO] validating manifest of crates.io crate stamm 0.2.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-13/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 88f4df3e6538fcf5c24041052c08a5a7e7d5f2da62dae95a1482a351e5f8c896 [INFO] running `Command { std: "docker" "start" "-a" "88f4df3e6538fcf5c24041052c08a5a7e7d5f2da62dae95a1482a351e5f8c896", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "88f4df3e6538fcf5c24041052c08a5a7e7d5f2da62dae95a1482a351e5f8c896", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "88f4df3e6538fcf5c24041052c08a5a7e7d5f2da62dae95a1482a351e5f8c896", kill_on_drop: false }` [INFO] [stdout] 88f4df3e6538fcf5c24041052c08a5a7e7d5f2da62dae95a1482a351e5f8c896 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 98df095a52785f6466a0ae0b36a03b9ef063e8cc59800b8e46cf50add1696b1c [INFO] running `Command { std: "docker" "start" "-a" "98df095a52785f6466a0ae0b36a03b9ef063e8cc59800b8e46cf50add1696b1c", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling rand v0.3.23 [INFO] [stderr] Compiling crossbeam-channel v0.5.1 [INFO] [stderr] Compiling crossbeam-deque v0.8.1 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Compiling syn v1.0.82 [INFO] [stderr] Compiling rayon v0.8.2 [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 10.07s [INFO] running `Command { std: "docker" "inspect" "98df095a52785f6466a0ae0b36a03b9ef063e8cc59800b8e46cf50add1696b1c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "98df095a52785f6466a0ae0b36a03b9ef063e8cc59800b8e46cf50add1696b1c", kill_on_drop: false }` [INFO] [stdout] 98df095a52785f6466a0ae0b36a03b9ef063e8cc59800b8e46cf50add1696b1c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ec67f220c1a519715a1b14738abf2ad20843399e3bd1fbdd0d7c63be95bdd1a1 [INFO] running `Command { std: "docker" "start" "-a" "ec67f220c1a519715a1b14738abf2ad20843399e3bd1fbdd0d7c63be95bdd1a1", kill_on_drop: false }` [INFO] [stderr] Compiling ryu v1.0.6 [INFO] [stderr] Compiling serde_json v1.0.72 [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 2.94s [INFO] running `Command { std: "docker" "inspect" "ec67f220c1a519715a1b14738abf2ad20843399e3bd1fbdd0d7c63be95bdd1a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ec67f220c1a519715a1b14738abf2ad20843399e3bd1fbdd0d7c63be95bdd1a1", kill_on_drop: false }` [INFO] [stdout] ec67f220c1a519715a1b14738abf2ad20843399e3bd1fbdd0d7c63be95bdd1a1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 33896dd6c7006bc947e5681b7d4782d004abe77c058c8e62cd5f521272844a7e [INFO] running `Command { std: "docker" "start" "-a" "33896dd6c7006bc947e5681b7d4782d004abe77c058c8e62cd5f521272844a7e", 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 0.09s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/stamm-b2de93a7f5f3b3e1) [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" "33896dd6c7006bc947e5681b7d4782d004abe77c058c8e62cd5f521272844a7e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "33896dd6c7006bc947e5681b7d4782d004abe77c058c8e62cd5f521272844a7e", kill_on_drop: false }` [INFO] [stdout] 33896dd6c7006bc947e5681b7d4782d004abe77c058c8e62cd5f521272844a7e