[INFO] fetching crate stamm 0.2.0... [INFO] testing stamm-0.2.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479 [INFO] extracting crate stamm 0.2.0 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate stamm 0.2.0 on toolchain b70888601af92f6cdc0364abab3446e418b91d36 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-2/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 37fe76dfac48877072d7eebd8ecc242e440809f1b5007b87d28a2cc8e27d3438 [INFO] running `Command { std: "docker" "start" "-a" "37fe76dfac48877072d7eebd8ecc242e440809f1b5007b87d28a2cc8e27d3438", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "37fe76dfac48877072d7eebd8ecc242e440809f1b5007b87d28a2cc8e27d3438", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "37fe76dfac48877072d7eebd8ecc242e440809f1b5007b87d28a2cc8e27d3438", kill_on_drop: false }` [INFO] [stdout] 37fe76dfac48877072d7eebd8ecc242e440809f1b5007b87d28a2cc8e27d3438 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cfb1f334a52da487c3a03ac685a4415752860f3b5b9d926b9bd613cccd886a32 [INFO] running `Command { std: "docker" "start" "-a" "cfb1f334a52da487c3a03ac685a4415752860f3b5b9d926b9bd613cccd886a32", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling serde v1.0.127 [INFO] [stderr] Compiling rand v0.3.23 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling crossbeam-channel v0.5.1 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling crossbeam-deque v0.8.1 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling syn v1.0.74 [INFO] [stderr] Compiling rayon v0.8.2 [INFO] [stderr] Compiling serde_derive v1.0.127 [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] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 16.50s [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "cfb1f334a52da487c3a03ac685a4415752860f3b5b9d926b9bd613cccd886a32", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cfb1f334a52da487c3a03ac685a4415752860f3b5b9d926b9bd613cccd886a32", kill_on_drop: false }` [INFO] [stdout] cfb1f334a52da487c3a03ac685a4415752860f3b5b9d926b9bd613cccd886a32 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9db22e0b2f21444c67ae24203f25f11dfd9ab62b6f25e166706ed8670ecff251 [INFO] running `Command { std: "docker" "start" "-a" "9db22e0b2f21444c67ae24203f25f11dfd9ab62b6f25e166706ed8670ecff251", kill_on_drop: false }` [INFO] [stderr] Compiling ryu v1.0.5 [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 serde_json v1.0.66 [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 3.16s [INFO] running `Command { std: "docker" "inspect" "9db22e0b2f21444c67ae24203f25f11dfd9ab62b6f25e166706ed8670ecff251", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9db22e0b2f21444c67ae24203f25f11dfd9ab62b6f25e166706ed8670ecff251", kill_on_drop: false }` [INFO] [stdout] 9db22e0b2f21444c67ae24203f25f11dfd9ab62b6f25e166706ed8670ecff251 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 471e9cae3f763b800861ad0f32842898f64f1dba3e199e2a821901ff0ae9f612 [INFO] running `Command { std: "docker" "start" "-a" "471e9cae3f763b800861ad0f32842898f64f1dba3e199e2a821901ff0ae9f612", 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 0.03s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/stamm-7df272162e6913fe) [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" "471e9cae3f763b800861ad0f32842898f64f1dba3e199e2a821901ff0ae9f612", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "471e9cae3f763b800861ad0f32842898f64f1dba3e199e2a821901ff0ae9f612", kill_on_drop: false }` [INFO] [stdout] 471e9cae3f763b800861ad0f32842898f64f1dba3e199e2a821901ff0ae9f612