[INFO] cloning repository https://github.com/sorami/ngram [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sorami/ngram" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsorami%2Fngram", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsorami%2Fngram'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5de2266f69d0a6b14bab1360a6e8e6eeb89c80fd [INFO] testing sorami/ngram against 1.59.0 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsorami%2Fngram" "/workspace/builds/worker-13/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sorami/ngram on toolchain 1.59.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sorami/ngram [INFO] finished tweaking git repo https://github.com/sorami/ngram [INFO] tweaked toml for git repo https://github.com/sorami/ngram written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/sorami/ngram already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 81d06b1f7d290b9127a51c691232245751cbb5409678016d673eb2f2c25e623a [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" "81d06b1f7d290b9127a51c691232245751cbb5409678016d673eb2f2c25e623a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "81d06b1f7d290b9127a51c691232245751cbb5409678016d673eb2f2c25e623a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "81d06b1f7d290b9127a51c691232245751cbb5409678016d673eb2f2c25e623a", kill_on_drop: false }` [INFO] [stdout] 81d06b1f7d290b9127a51c691232245751cbb5409678016d673eb2f2c25e623a [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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6df3d41612ad17c9bba8aa205abbb3b5432dc1fac7fd01f28979310b44eb3f68 [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" "6df3d41612ad17c9bba8aa205abbb3b5432dc1fac7fd01f28979310b44eb3f68", kill_on_drop: false }` [INFO] [stderr] Compiling syn v0.15.29 [INFO] [stderr] Compiling structopt-derive v0.2.15 [INFO] [stderr] Compiling structopt v0.2.15 [INFO] [stderr] Compiling ngram v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:48:21 [INFO] [stdout] | [INFO] [stdout] 48 | let reader: Box = match args.file { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 48 - let reader: Box = match args.file { [INFO] [stdout] 48 + let reader: Box = match args.file { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:113:23 [INFO] [stdout] | [INFO] [stdout] 113 | }) as Box [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 113 - }) as Box [INFO] [stdout] 113 + }) as Box [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 12.92s [INFO] running `Command { std: "docker" "inspect" "6df3d41612ad17c9bba8aa205abbb3b5432dc1fac7fd01f28979310b44eb3f68", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6df3d41612ad17c9bba8aa205abbb3b5432dc1fac7fd01f28979310b44eb3f68", kill_on_drop: false }` [INFO] [stdout] 6df3d41612ad17c9bba8aa205abbb3b5432dc1fac7fd01f28979310b44eb3f68 [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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f20abe32b7cbac3f47285a402c721b25e215475bf752e14674c1224432a21393 [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" "f20abe32b7cbac3f47285a402c721b25e215475bf752e14674c1224432a21393", kill_on_drop: false }` [INFO] [stderr] Compiling ngram v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:48:21 [INFO] [stdout] | [INFO] [stdout] 48 | let reader: Box = match args.file { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 48 - let reader: Box = match args.file { [INFO] [stdout] 48 + let reader: Box = match args.file { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:113:23 [INFO] [stdout] | [INFO] [stdout] 113 | }) as Box [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 113 - }) as Box [INFO] [stdout] 113 + }) as Box [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.42s [INFO] running `Command { std: "docker" "inspect" "f20abe32b7cbac3f47285a402c721b25e215475bf752e14674c1224432a21393", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f20abe32b7cbac3f47285a402c721b25e215475bf752e14674c1224432a21393", kill_on_drop: false }` [INFO] [stdout] f20abe32b7cbac3f47285a402c721b25e215475bf752e14674c1224432a21393 [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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] ed2545ecbcd71c7ada9ebf11922710bbbb9befe82daaf6d9a53d7b08cda6f5ef [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" "ed2545ecbcd71c7ada9ebf11922710bbbb9befe82daaf6d9a53d7b08cda6f5ef", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:48:21 [INFO] [stderr] | [INFO] [stderr] 48 | let reader: Box = match args.file { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 48 - let reader: Box = match args.file { [INFO] [stderr] 48 + let reader: Box = match args.file { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:113:23 [INFO] [stderr] | [INFO] [stderr] 113 | }) as Box [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 113 - }) as Box [INFO] [stderr] 113 + }) as Box [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `ngram` (bin "ngram" test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ngram-ea29909f55b58366) [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" "ed2545ecbcd71c7ada9ebf11922710bbbb9befe82daaf6d9a53d7b08cda6f5ef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ed2545ecbcd71c7ada9ebf11922710bbbb9befe82daaf6d9a53d7b08cda6f5ef", kill_on_drop: false }` [INFO] [stdout] ed2545ecbcd71c7ada9ebf11922710bbbb9befe82daaf6d9a53d7b08cda6f5ef