[INFO] fetching crate simple_trie 0.1.22... [INFO] testing simple_trie-0.1.22 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530 [INFO] extracting crate simple_trie 0.1.22 into /workspace/builds/worker-13/source [INFO] validating manifest of crates.io crate simple_trie 0.1.22 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate simple_trie 0.1.22 [INFO] finished tweaking crates.io crate simple_trie 0.1.22 [INFO] tweaked toml for crates.io crate simple_trie 0.1.22 written to /workspace/builds/worker-13/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7cb3cbf120f7fdec0827caecab21ddb68f4ad7557c7320c50d11310110ec97c8 [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" "7cb3cbf120f7fdec0827caecab21ddb68f4ad7557c7320c50d11310110ec97c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7cb3cbf120f7fdec0827caecab21ddb68f4ad7557c7320c50d11310110ec97c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7cb3cbf120f7fdec0827caecab21ddb68f4ad7557c7320c50d11310110ec97c8", kill_on_drop: false }` [INFO] [stdout] 7cb3cbf120f7fdec0827caecab21ddb68f4ad7557c7320c50d11310110ec97c8 [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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4a97ba7f7a7c162fe521b9c70b3c6c8113fa0d3c5fd5393c0c13077d3bee4798 [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" "4a97ba7f7a7c162fe521b9c70b3c6c8113fa0d3c5fd5393c0c13077d3bee4798", kill_on_drop: false }` [INFO] [stderr] Compiling simple_trie v0.1.22 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Write`, `stdin`, `stdout` [INFO] [stdout] --> src/lib.rs:3:32 [INFO] [stdout] | [INFO] [stdout] 3 | io::{prelude::*, BufReader,stdin,stdout,Write [INFO] [stdout] | ^^^^^ ^^^^^^ ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `key` is never read [INFO] [stdout] --> src/lib.rs:169:11 [INFO] [stdout] | [INFO] [stdout] 169 | let mut key = "".to_string(); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/lib.rs:170:11 [INFO] [stdout] | [INFO] [stdout] 170 | let mut value: u32 = 0; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:170:7 [INFO] [stdout] | [INFO] [stdout] 170 | let mut value: u32 = 0; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.09s [INFO] running `Command { std: "docker" "inspect" "4a97ba7f7a7c162fe521b9c70b3c6c8113fa0d3c5fd5393c0c13077d3bee4798", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4a97ba7f7a7c162fe521b9c70b3c6c8113fa0d3c5fd5393c0c13077d3bee4798", kill_on_drop: false }` [INFO] [stdout] 4a97ba7f7a7c162fe521b9c70b3c6c8113fa0d3c5fd5393c0c13077d3bee4798 [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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 18e6891c5dae3919f6f01f7d1e807f0d15049ce2ff4e84535d8c65793e9e19bd [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" "18e6891c5dae3919f6f01f7d1e807f0d15049ce2ff4e84535d8c65793e9e19bd", kill_on_drop: false }` [INFO] [stdout] warning: unused imports: `Write`, `stdin`, `stdout` [INFO] [stdout] --> src/lib.rs:3:32 [INFO] [stdout] | [INFO] [stdout] 3 | io::{prelude::*, BufReader,stdin,stdout,Write [INFO] [stdout] | ^^^^^ ^^^^^^ ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling simple_trie v0.1.22 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `key` is never read [INFO] [stdout] --> src/lib.rs:169:11 [INFO] [stdout] | [INFO] [stdout] 169 | let mut key = "".to_string(); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/lib.rs:170:11 [INFO] [stdout] | [INFO] [stdout] 170 | let mut value: u32 = 0; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:170:7 [INFO] [stdout] | [INFO] [stdout] 170 | let mut value: u32 = 0; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Write`, `stdin`, `stdout` [INFO] [stdout] --> src/lib.rs:3:32 [INFO] [stdout] | [INFO] [stdout] 3 | io::{prelude::*, BufReader,stdin,stdout,Write [INFO] [stdout] | ^^^^^ ^^^^^^ ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `key` is never read [INFO] [stdout] --> src/lib.rs:169:11 [INFO] [stdout] | [INFO] [stdout] 169 | let mut key = "".to_string(); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/lib.rs:170:11 [INFO] [stdout] | [INFO] [stdout] 170 | let mut value: u32 = 0; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:170:7 [INFO] [stdout] | [INFO] [stdout] 170 | let mut value: u32 = 0; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.60s [INFO] running `Command { std: "docker" "inspect" "18e6891c5dae3919f6f01f7d1e807f0d15049ce2ff4e84535d8c65793e9e19bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "18e6891c5dae3919f6f01f7d1e807f0d15049ce2ff4e84535d8c65793e9e19bd", kill_on_drop: false }` [INFO] [stdout] 18e6891c5dae3919f6f01f7d1e807f0d15049ce2ff4e84535d8c65793e9e19bd [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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] da100a9c6d763b182940c46e987e0bbcc43d8c9193a686e3ac7d90f9bc67753a [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" "da100a9c6d763b182940c46e987e0bbcc43d8c9193a686e3ac7d90f9bc67753a", kill_on_drop: false }` [INFO] [stderr] warning: unused imports: `Write`, `stdin`, `stdout` [INFO] [stderr] --> src/lib.rs:3:32 [INFO] [stderr] | [INFO] [stderr] 3 | io::{prelude::*, BufReader,stdin,stdout,Write [INFO] [stderr] | ^^^^^ ^^^^^^ ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `key` is never read [INFO] [stderr] --> src/lib.rs:169:11 [INFO] [stderr] | [INFO] [stderr] 169 | let mut key = "".to_string(); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/lib.rs:170:11 [INFO] [stderr] | [INFO] [stderr] 170 | let mut value: u32 = 0; [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:170:7 [INFO] [stderr] | [INFO] [stderr] 170 | let mut value: u32 = 0; [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Write`, `stdin`, `stdout` [INFO] [stderr] --> src/lib.rs:3:32 [INFO] [stderr] | [INFO] [stderr] 3 | io::{prelude::*, BufReader,stdin,stdout,Write [INFO] [stderr] | ^^^^^ ^^^^^^ ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `key` is never read [INFO] [stderr] --> src/lib.rs:169:11 [INFO] [stderr] | [INFO] [stderr] 169 | let mut key = "".to_string(); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/lib.rs:170:11 [INFO] [stderr] | [INFO] [stderr] 170 | let mut value: u32 = 0; [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:170:7 [INFO] [stderr] | [INFO] [stderr] 170 | let mut value: u32 = 0; [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/simple_trie-b8df1d21a72d06b6) [INFO] [stdout] [INFO] [stderr] Doc-tests simple_trie [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" "da100a9c6d763b182940c46e987e0bbcc43d8c9193a686e3ac7d90f9bc67753a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da100a9c6d763b182940c46e987e0bbcc43d8c9193a686e3ac7d90f9bc67753a", kill_on_drop: false }` [INFO] [stdout] da100a9c6d763b182940c46e987e0bbcc43d8c9193a686e3ac7d90f9bc67753a