[INFO] updating cached repository https://github.com/paulprimus/tail [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] [stderr] From https://github.com/paulprimus/tail [INFO] [stderr] * [new branch] hyper -> hyper [INFO] [stderr] b563c01..8facd3a master -> master [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 8facd3a7358912a91b8eab80d8e790600e3a87b9 [INFO] testing paulprimus/tail against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaulprimus%2Ftail" "/workspace/builds/worker-1/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/paulprimus/tail on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/paulprimus/tail [INFO] finished tweaking git repo https://github.com/paulprimus/tail [INFO] tweaked toml for git repo https://github.com/paulprimus/tail written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/paulprimus/tail already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] d9966f75922dfa8049435a8e0a9df3ad4e9010f1df0cf36f38bbfc0d0dd3e4de [INFO] running `"docker" "start" "-a" "d9966f75922dfa8049435a8e0a9df3ad4e9010f1df0cf36f38bbfc0d0dd3e4de"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling syn v1.0.19 [INFO] [stderr] Compiling arc-swap v0.4.6 [INFO] [stderr] Compiling pin-project-lite v0.1.5 [INFO] [stderr] Compiling futures-task v0.3.5 [INFO] [stderr] Compiling serde v1.0.107 [INFO] [stderr] Compiling futures-channel v0.3.5 [INFO] [stderr] Compiling openssl-sys v0.9.56 [INFO] [stderr] Compiling http v0.2.1 [INFO] [stderr] Compiling net2 v0.2.34 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling mime_guess v2.0.3 [INFO] [stderr] Compiling signal-hook-registry v1.2.0 [INFO] [stderr] Compiling mio v0.6.22 [INFO] [stderr] Compiling openssl v0.10.29 [INFO] [stderr] Compiling native-tls v0.2.4 [INFO] [stderr] Compiling mio-uds v0.6.8 [INFO] [stderr] Compiling http-body v0.3.1 [INFO] [stderr] Compiling serde_urlencoded v0.6.1 [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stderr] Compiling pin-project-internal v0.4.13 [INFO] [stderr] Compiling tokio v0.2.20 [INFO] [stderr] Compiling pin-project v0.4.13 [INFO] [stderr] Compiling futures-util v0.3.5 [INFO] [stderr] Compiling tokio-util v0.3.1 [INFO] [stderr] Compiling tokio-tls v0.3.1 [INFO] [stderr] Compiling h2 v0.2.5 [INFO] [stderr] Compiling hyper v0.13.5 [INFO] [stderr] Compiling hyper-tls v0.4.1 [INFO] [stderr] Compiling reqwest v0.10.4 [INFO] [stderr] Compiling tail v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused imports: `Bytes`, `Error` [INFO] [stderr] --> src/main.rs:12:35 [INFO] [stderr] | [INFO] [stderr] 12 | use std::io::{BufRead, BufReader, Bytes, Error, Read, Seek, SeekFrom, Write}; [INFO] [stderr] | ^^^^^ ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `Response` [INFO] [stderr] --> src/main.rs:16:23 [INFO] [stderr] | [INFO] [stderr] 16 | use reqwest::{Client, Response}; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `self` [INFO] [stderr] --> src/main.rs:18:21 [INFO] [stderr] | [INFO] [stderr] 18 | use tokio::stream::{self, StreamExt}; [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/main.rs:136:5 [INFO] [stderr] | [INFO] [stderr] 122 | / loop { [INFO] [stderr] 123 | | std::thread::sleep(Duration::from_secs(3)); [INFO] [stderr] 124 | | cur_seek_pos = reader.seek(SeekFrom::End(0))?; [INFO] [stderr] 125 | | if cur_seek_pos > last_seek_pos { [INFO] [stderr] ... | [INFO] [stderr] 134 | | last_seek_pos = cur_seek_pos; [INFO] [stderr] 135 | | } [INFO] [stderr] | |_____- any code following this expression is unreachable [INFO] [stderr] 136 | Ok(()) [INFO] [stderr] | ^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::future::Future` [INFO] [stderr] --> src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use std::future::Future; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `StreamExt` [INFO] [stderr] --> src/main.rs:18:27 [INFO] [stderr] | [INFO] [stderr] 18 | use tokio::stream::{self, StreamExt}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/main.rs:192:13 [INFO] [stderr] | [INFO] [stderr] 192 | _ => {} [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/main.rs:96:17 [INFO] [stderr] | [INFO] [stderr] 96 | Err(e) => { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `num` [INFO] [stderr] --> src/main.rs:112:27 [INFO] [stderr] | [INFO] [stderr] 112 | fn follow(filename: &str, num: usize) -> io::Result<()> { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stderr] [INFO] [stderr] warning: 9 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 20s [INFO] running `"docker" "inspect" "d9966f75922dfa8049435a8e0a9df3ad4e9010f1df0cf36f38bbfc0d0dd3e4de"` [INFO] running `"docker" "rm" "-f" "d9966f75922dfa8049435a8e0a9df3ad4e9010f1df0cf36f38bbfc0d0dd3e4de"` [INFO] [stdout] d9966f75922dfa8049435a8e0a9df3ad4e9010f1df0cf36f38bbfc0d0dd3e4de [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 8847f1ccee39825a252f75d328db6e6ab66a662f3782f2dc3a9f3de7ba57e85a [INFO] running `"docker" "start" "-a" "8847f1ccee39825a252f75d328db6e6ab66a662f3782f2dc3a9f3de7ba57e85a"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling tail v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused imports: `Bytes`, `Error` [INFO] [stderr] --> src/main.rs:12:35 [INFO] [stderr] | [INFO] [stderr] 12 | use std::io::{BufRead, BufReader, Bytes, Error, Read, Seek, SeekFrom, Write}; [INFO] [stderr] | ^^^^^ ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `Response` [INFO] [stderr] --> src/main.rs:16:23 [INFO] [stderr] | [INFO] [stderr] 16 | use reqwest::{Client, Response}; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `self` [INFO] [stderr] --> src/main.rs:18:21 [INFO] [stderr] | [INFO] [stderr] 18 | use tokio::stream::{self, StreamExt}; [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/main.rs:136:5 [INFO] [stderr] | [INFO] [stderr] 122 | / loop { [INFO] [stderr] 123 | | std::thread::sleep(Duration::from_secs(3)); [INFO] [stderr] 124 | | cur_seek_pos = reader.seek(SeekFrom::End(0))?; [INFO] [stderr] 125 | | if cur_seek_pos > last_seek_pos { [INFO] [stderr] ... | [INFO] [stderr] 134 | | last_seek_pos = cur_seek_pos; [INFO] [stderr] 135 | | } [INFO] [stderr] | |_____- any code following this expression is unreachable [INFO] [stderr] 136 | Ok(()) [INFO] [stderr] | ^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::future::Future` [INFO] [stderr] --> src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use std::future::Future; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `StreamExt` [INFO] [stderr] --> src/main.rs:18:27 [INFO] [stderr] | [INFO] [stderr] 18 | use tokio::stream::{self, StreamExt}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/main.rs:192:13 [INFO] [stderr] | [INFO] [stderr] 192 | _ => {} [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/main.rs:96:17 [INFO] [stderr] | [INFO] [stderr] 96 | Err(e) => { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `num` [INFO] [stderr] --> src/main.rs:112:27 [INFO] [stderr] | [INFO] [stderr] 112 | fn follow(filename: &str, num: usize) -> io::Result<()> { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stderr] [INFO] [stderr] warning: 9 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.44s [INFO] running `"docker" "inspect" "8847f1ccee39825a252f75d328db6e6ab66a662f3782f2dc3a9f3de7ba57e85a"` [INFO] running `"docker" "rm" "-f" "8847f1ccee39825a252f75d328db6e6ab66a662f3782f2dc3a9f3de7ba57e85a"` [INFO] [stdout] 8847f1ccee39825a252f75d328db6e6ab66a662f3782f2dc3a9f3de7ba57e85a [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"` [INFO] [stdout] 20c187ed740f9ff7bcb449db5b1d594f3dd863bc0763d579d4e23c1eac843990 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "20c187ed740f9ff7bcb449db5b1d594f3dd863bc0763d579d4e23c1eac843990"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: unused imports: `Bytes`, `Error` [INFO] [stderr] --> src/main.rs:12:35 [INFO] [stderr] | [INFO] [stderr] 12 | use std::io::{BufRead, BufReader, Bytes, Error, Read, Seek, SeekFrom, Write}; [INFO] [stderr] | ^^^^^ ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `Response` [INFO] [stderr] --> src/main.rs:16:23 [INFO] [stderr] | [INFO] [stderr] 16 | use reqwest::{Client, Response}; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `self` [INFO] [stderr] --> src/main.rs:18:21 [INFO] [stderr] | [INFO] [stderr] 18 | use tokio::stream::{self, StreamExt}; [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/main.rs:136:5 [INFO] [stderr] | [INFO] [stderr] 122 | / loop { [INFO] [stderr] 123 | | std::thread::sleep(Duration::from_secs(3)); [INFO] [stderr] 124 | | cur_seek_pos = reader.seek(SeekFrom::End(0))?; [INFO] [stderr] 125 | | if cur_seek_pos > last_seek_pos { [INFO] [stderr] ... | [INFO] [stderr] 134 | | last_seek_pos = cur_seek_pos; [INFO] [stderr] 135 | | } [INFO] [stderr] | |_____- any code following this expression is unreachable [INFO] [stderr] 136 | Ok(()) [INFO] [stderr] | ^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::future::Future` [INFO] [stderr] --> src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use std::future::Future; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `StreamExt` [INFO] [stderr] --> src/main.rs:18:27 [INFO] [stderr] | [INFO] [stderr] 18 | use tokio::stream::{self, StreamExt}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/main.rs:192:13 [INFO] [stderr] | [INFO] [stderr] 192 | _ => {} [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/main.rs:96:17 [INFO] [stderr] | [INFO] [stderr] 96 | Err(e) => { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `num` [INFO] [stderr] --> src/main.rs:112:27 [INFO] [stderr] | [INFO] [stderr] 112 | fn follow(filename: &str, num: usize) -> io::Result<()> { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stderr] [INFO] [stderr] warning: 9 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.60s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/tail-b1848c25f7a0ac12 [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 [INFO] [stdout] [INFO] running `"docker" "inspect" "20c187ed740f9ff7bcb449db5b1d594f3dd863bc0763d579d4e23c1eac843990"` [INFO] running `"docker" "rm" "-f" "20c187ed740f9ff7bcb449db5b1d594f3dd863bc0763d579d4e23c1eac843990"` [INFO] [stdout] 20c187ed740f9ff7bcb449db5b1d594f3dd863bc0763d579d4e23c1eac843990